Rigid Patents (Class 292/202)
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Patent number: 7984935Abstract: An exemplary latching mechanism for connecting a first component (20) and a second component (40). The latching mechanism includes at least one first engaging portion (408) formed/defined on the second component, at least one latch holder (60a, 60b) fixed relative to the first component, and at least one first latching member (80a, 80b). A first latch-clasping piece (604) extends from the at least one latch holder. The at least one first latching member has at least one second engaging portion (806). The second engaging portion engages with the first engaging portion of the second component. The first engaging portion of the second component and the first latching member are disposed between the first latch-clasping piece of the latch holder and the first component. The present invention further provides an electronic device employing the latching mechanism.Type: GrantFiled: December 14, 2007Date of Patent: July 26, 2011Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Yong-Ping Luo, Jia-Gui Xu, Qi-Mi Huang
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Patent number: 7958603Abstract: The invention relates to a rotary handle for a closing mechanism of a sash of a window, a leaf of a door, or the like, particularly a sliding sash or leaf, comprising an actuating grip, which in the neutral position can be disposed such that it is retracted in the sash or leaf at least partially with regard to the height and which can be pivoted from the neutral position in a working position as a folding grip such that it protrudes, wherein in the working position it can be rotated about a rotational axis. An operating element is provided, which is used to bring about a coupling or decoupling position in relation to a control element, which rotates together with the actuating grip in the coupling position and does not rotate along in the decoupling position.Type: GrantFiled: August 5, 2008Date of Patent: June 14, 2011Assignee: Roto Frank AGInventors: Gonzalo Rivera Franco, Francisco Cãnas Diaz
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Publication number: 20110101710Abstract: A latch mechanism for releaseably latching or holding a first member with respect to a second member in a structure. The latch mechanism includes a bolt assembly, mounting brackets, and a locking trigger. The latch mechanism also includes a rotatable locking cam for providing retention of the bolt assembly in a latched or locked condition.Type: ApplicationFiled: February 2, 2009Publication date: May 5, 2011Applicant: HARTWELL CORPORATIONInventors: Steven P. Elbrecht, James R. Hernandez
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Patent number: 7864518Abstract: The invention is related to a computer enclosure. The computer enclosure includes a chassis, an expansion card, and a rotating member. The expansion card includes a shield plate which has a bent end formed thereon. The chassis includes a sidewall. A slot is defined in the sidewall. The sidewall forms a support plate at a side of the slot. The sidewall is capable of accepting the shield plate of the expansion card to shield the slot of the sidewall, and the support plate is configured to accepting the bent end of the expansion card. The rotating member includes an arm. The rotating member is capable of rotating on the sidewall to a locked position. In the locked position, the arm is capable of exerting force on the bent end of the expansion card located on the support plate, and the locked position is capable of securing the expansion card on the sidewall of the chassis.Type: GrantFiled: May 12, 2008Date of Patent: January 4, 2011Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Chia-Kang Wu, Lung-Sheng Tsai, Li-Ping Chen
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Patent number: 7802826Abstract: A latch assembly includes at least one latch unit having a latch unit housing, a latch notch provided in the latch unit housing, a lock bracket pivotally mounted in the latch unit housing adjacent to the latch notch and positional between latched and unlatched positions and an actuating arm engaging the lock bracket; a torque shaft coupled to the actuating arm; a handle unit having a handle housing and a handle plate pivotally mounted in the handle housing and coupled to the torque shaft; and at least one position indicator lip provided on the handle plate.Type: GrantFiled: February 10, 2007Date of Patent: September 28, 2010Assignee: R The Boeing CompanyInventors: Chad D. Schmitz, Jai W. Eller, Richard J. LaConte, Brian Henderson
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Patent number: 7775566Abstract: A push-button box-opening structure is provided in which a push button is pushed in from an unlocking starting position to an unlocking position to open a storage box. The unlocking starting position is set at a position where the push button is pushed in a given depth from a pushing-in starting position so as to prevent inadvertent opening of the storage box. The storage box does not open when the button is inadvertently pushed in up to the given depth.Type: GrantFiled: June 27, 2005Date of Patent: August 17, 2010Assignee: Honda Motor Co., Ltd.Inventors: Hiroshi Hanjono, Yasuhiro Suzuki
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Publication number: 20100181782Abstract: A locking arrangement for a door includes an upright operating bar (1) mounted on the door for angular movement about its axis and a handle (3) which is connected to the operating bar by a pivotal connection for engagement with a closure mechanism (7,8). The handle and the closure mechanism include co-operating apertures (9). A housing (11) is adapted to cover the pivotal connection of the handle and at least a part of the closure mechanism. A releasable securing means (35) passes through apertures formed in both the handle and the closure mechanism and secures the housing relative to the handle and the closure mechanism.Type: ApplicationFiled: August 8, 2007Publication date: July 22, 2010Applicant: LOKSYS LTD.Inventor: Andrew Charles Harrison
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Publication number: 20090267360Abstract: The present invention is directed to a pawl assembly that can be installed to the output shaft of a latch mechanism more easily, and in some embodiments without the use of tools, as compared to prior art pawls.Type: ApplicationFiled: April 11, 2006Publication date: October 29, 2009Applicant: SOUTHCO, INC.Inventors: Glenn E. Anderson, Richard E. Schlack, D. Dale Turner, James Vickers, Stephen K. Spatig, Richard B. Langkamp, H. Allen Riblett
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Patent number: 7480132Abstract: A portable computer includes a cover (1) unit and a base unit (2) connected with the cover unit. The cover unit includes a movable latch member (30), and a driving button (40). The latch member includes a pair of slanted slots (34) defined therein. The driving button includes a pair of driving posts (44) moving in the slanted slots. The cover unit is latched to the base unit via the latch member to cover the base unit and unlatched from the base unit via moving the latch member by manipulation of the driving button.Type: GrantFiled: December 1, 2005Date of Patent: January 20, 2009Assignees: Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Chao-Chu Wu, Xiao-Gang Jiang, Xin-Hu Gong
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Patent number: 7475921Abstract: A device with an equipment door (10), an actuator unit (12) and a bolting device element (14) for bolting the equipment door (10), particularly when performing a pyrolysis function, wherein the actuator unit (12) is provided for bringing the bolting device element (14) into engagement with a corresponding bolting device element (15) of the equipment door (10) for locking the equipment door (10) when the equipment door (10) is closed. The bolting device element (14) may be rotatable about a rotating axis (16) running at least essentially perpendicularly to a door plane of the equipment door (10) when the equipment door (10) is closed.Type: GrantFiled: March 21, 2007Date of Patent: January 13, 2009Assignee: BSH Bosch und Siemens Hausgeraete GmbHInventors: Helmut Knoll, Rainer Lebacher, Jorg Rosenbauer, Michael Wagner
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Patent number: 7441425Abstract: An improved door lock of a cargo container having a burglarproof function is disclosed. The door lock includes a handle hub, in which supporting pieces are integrally formed, welded to a locking rod, a rear supporting piece of the supporting pieces having a fastening hole, a front supporting piece of the supporting pieces integrated with an inward locking protrusion having a screw coupling groove, a handle including a connecting part and having a locking recess with a fastening hole such that the inward locking protrusion of the front supporting piece is inserted into and locked in the fastening hole due to pivot of the handle, and a bolt fastened into the screw coupling groove through the fastening hole of the rear supporting piece. Therefore, robbery is prevented and tamper-evident is easily checked during transfer of the cargo container so that measure against the tamper-evident can be easily taken.Type: GrantFiled: June 1, 2007Date of Patent: October 28, 2008Inventor: Kum-Sik Jeong
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Patent number: 7350382Abstract: A turnbuckle lock for use on a thin-walled door includes a locking tongue and actuating mechanism that are formed as one piece with one another. An inner seal disposed between the housing and actuating mechanism is formed by being sprayed onto the housing. The actuating member and the housing member enclosing the actuating mechanism are permanently connected to each other, and the inner seal is placed inside at least one free space formed on the actuating mechanism. The inner seal and outer seal also may be formed as a one-piece element. By the permanent connection of the housing and the component made up of the actuating mechanism and the locking tongue, it is ensured that the locking tongue cannot be detached from the actuating mechanism, so that the locking function of the turnbuckle lock is always provided.Type: GrantFiled: February 13, 2004Date of Patent: April 1, 2008Assignee: EMKA Beschlagteile GmbH & Co. KGInventor: Rainer Hoffmann
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Patent number: 7331617Abstract: A lock for a cabinet of the type wherein a door of the cabinet is movable through a frame of the cabinet is provided. An exemplary lock of the present invention includes a first and second restraining member connected by a rod and rotatable around an axis of rotation between a first position wherein a cabinet member is trapped between the restraining members and the door can not move through the frame and a second position wherein the door is freely movable through the frame. The lock optionally includes a mounting member having a rod-retaining section and optionally one or more rotation locks and/or one or more rotation restraints. The restraining members are optionally sized and shaped to facilitate rotation between the first and second position while accommodating different sizes and specifications of cabinet types. The lock optionally includes one or more strengthening members and end extensions angled on one or both ends of the rod.Type: GrantFiled: November 10, 2003Date of Patent: February 19, 2008Inventor: Brian D. Johnson
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Publication number: 20070158955Abstract: Decompression locks are required in order to achieve a rapid compensation of pressure in case of a sudden increase in pressure in one of two areas which are separated by a pressure tight wall. Decompression locks are used where different pressures in two separate areas have to be compensated rapidly. The purpose of this invention is to provide an improved decompression lock or an improved structural unit with two adjacent decompression locks acting in opposite directions. The improvements include a reduction in weight, simplified installation, a lower number of constituent parts, and a resulting reduction in overall cost.Type: ApplicationFiled: December 7, 2006Publication date: July 12, 2007Inventor: Bernhard Homner
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Patent number: 7093865Abstract: A lid locking apparatus has a storage member, a lid, a knob member having a first abutment portion, a lock member having a second abutment portion and first and second biasing members. When the lid is in a closed position, the lock member locks the lid, when the knob member is in a closed position, the first biasing member biases the first and second abutment portions so as to abut each other, when the knob member is opened, the first biasing member biases to swing the lock member and the knob member integrally to thereby release the locked state, and when the lid is closed, the second biasing member biases the knob member in a direction towards the closed position to separate the abutment portions to thereby allow the lock member to swing independently even in the locked state.Type: GrantFiled: December 3, 2004Date of Patent: August 22, 2006Assignee: Honda Motor Co., Ltd.Inventor: Takahiro Furuya
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Patent number: 6981540Abstract: A tent door which opens and closes in a manner similar to that of a regular house door, yet is in keeping with the requirements for mobility of being light-weight and easily taken apart or reassembled. Such a door being comprised of a fabric panel (54), supported by a rigid frame (22). The frame of this door panel is hinged to a similar frame (20) attached to the perimeter of a cutout opening (56) in the tent wall, against which the door closes. A latch secures the door and allows it to be released for opening by means of a single action which can be performed using just one hand. These are all takedown assemblies connected with manually operated fasteners and employing the lightest or smallest possible components.Type: GrantFiled: August 9, 2003Date of Patent: January 3, 2006Inventor: Armand O. Deblois
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Patent number: 6942256Abstract: Door Catch with a catch retaining assembly and a catch. The catch assembly is comprised of a rigid first ball retaining mounting plate, a first ball, a concave disk, a rigid J shaped rod and a second ball retaining cup shape. The catch is comprised of a door mounting plate, an L shaped rod terminating at one end in the door mounting plate and at the opposite end in a second ball. The J shaped rod terminates at its top portion in the second ball retaining cup and at the lower portion in the first ball. The first ball retaining plate includes a centrally disposed concave ball retaining portion including a vertically disposed slot capable of receiving the J shaped rod. The ball retaining cup is capable of fitting snuggly over the the second ball so that no rattling can occur between the retaining cup and the the second ball.Type: GrantFiled: December 18, 2003Date of Patent: September 13, 2005Inventor: Ron Amy
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Patent number: 6938286Abstract: A crib is sized to permit the legs of a wheel chair bound care giver to fit beneath the bed. The access side of the crib is equipped with at least one laterally opening door which folds out of the way to provide access to the infant. More preferably, the access side of the crib is formed by a pair of bi-fold doors which are secured by a pair of latches which are resistant to operation by anyone other than the caregiver.Type: GrantFiled: December 10, 2003Date of Patent: September 6, 2005Inventor: Brack E Smith
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Patent number: 6937467Abstract: The present invention is to provide a device for fastening adapter cards on a frame of a computer case, which comprises an IO port positioning frame on a panel of the case having a first slot at one end and a second slot at an the other end, and a fastening assembly having a first snapping element at one end, a second snapping element at the other end, and a plurality of equally spaced apart fastening elements along one side of a longitudinal part of the fastening assembly between the first and the second snapping elements. Whereby snapping the fastening assembly onto the frame will fasten the adapter cards at the frame easily and quickly.Type: GrantFiled: August 27, 2003Date of Patent: August 30, 2005Assignee: Inventec CorporationInventor: Cheng-Chung Hsu
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Patent number: 6937368Abstract: A locking device for locking a movable module of an electronic apparatus disclosed by the invention mainly includes a control member and a latch connected to the control member. The control member is selectively movable between a first position for locking the movable module and a second position for releasing the movable module. When the latch stops at the first position, it also latches onto an operational interface or a mechanism component so as to prevent the user from electrically or mechanically operating the apparatus.Type: GrantFiled: October 22, 2001Date of Patent: August 30, 2005Assignee: Lite-On Technology Corp.Inventor: Chin-Te Liu
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Patent number: 6914775Abstract: A main unit casing assembly for electronic products is provided, including a casing and a plurality of body panels. The body panels are directly assembled to the casing to cover the casing and form a containing space, thereby not having to use a top casing of a main unit of the electronic product in the prior art. The use of this casing assembly can reduce the thickness of the casing assembly while still maintaining structural strength of the casing assembly, making the electronic product with such a casing assembly more compact in size.Type: GrantFiled: March 31, 2003Date of Patent: July 5, 2005Assignee: Inventec CorporationInventor: Sung-Ming Song
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Patent number: 6874825Abstract: A drawer locking assembly includes a panel has a first side and a second side. The first side has a pressure sensitive adhesive thereon for selectively attaching the first side to a vertical surface adjacent to a drawer. A post is attached to the second side of the panel. The post has a terminal end. A peripheral lip is attached to and extends along a length of the terminal end. A plate has an inner surface and an outer surface. A sleeve is attached to and extends away from the inner surface. The sleeve has a free end having a well extending therein. An inwardly extending peripheral flange is attached to the free end. The terminal end of the post is positioned within the sleeve. The plate is selectively positionable over the drawer. A biasing member is positioned within the well and biases the lip away from the flange.Type: GrantFiled: March 8, 2004Date of Patent: April 5, 2005Inventor: Paula M. Rauner
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Patent number: 6830270Abstract: A window latch for use with a window frame comprises a main body having a top portion and a bottom portion. A locking member extending through the main body pivotally mounting therein having a lock arm extending out the bottom portion and a manually operable handle exposed at the top portion. A shoulder separating the top and bottom portion so that the bottom portion projects downwardly from the shoulder. A flange portion at one end of the bottom portion projecting along the main body generally parallel to the shoulder and spaced from the shoulder leaving a recess therebetween. Wherein the bottom portion is arranged to be inserted into a hole cut into a top wall of a window frame such that shoulder sits on a top surface of the top wall and the flange engages underneath a lip of the top wall with the lip being received in the recess thus supporting the respective end of the main body to the frame and a fastener for holding an opposed end of the main body within the hole in the frame.Type: GrantFiled: November 20, 2002Date of Patent: December 14, 2004Assignee: Inductec Alchemist (1987) Inc.Inventors: Frederick G. Ellis, Gerald Bruce Hiebert
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Patent number: 6698853Abstract: A computer enclosure (1) includes a chassis (10), a cover (20), a turn support (40) and a locking device (50). The chassis defines a plurality of slots (17) in a pair of opposite sills (16) thereof. The cover has a plurality of catches (21) for the engagement with the chassis at the slots. The turn support is attached to the chassis. The locking device includes a turn cap (60), a cam (52), a washer (54), and a bolt (56). The turn cap and cam are rotatably secured to the cover with the washer and the bolt. Rotation of the turn cap causes corresponding rotation of the cam. When rotated, the cam acts on flanges (46, 48) at an opening (42) of the turn support. The locking device thereby drives the cover to move forward or rearward. The catches of the cover accordingly engage with or disengage from the chassis.Type: GrantFiled: December 20, 2000Date of Patent: March 2, 2004Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Yun Lung Chen, Kuo Chih Lin, Jung Chi Chen
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Patent number: 6676176Abstract: Performance and aesthetic attractiveness of industrial enclosures of the type used to house electrical and hydraulic equipment are enhanced through use of an improved quick-release fastener for attaching removable access panels of such enclosures. The improved fastener includes a split bushing with integral retaining tangs configured for retaining the quick-release fastener in access panels having different thicknesses.Type: GrantFiled: September 29, 2000Date of Patent: January 13, 2004Assignee: Siemens Energy & AutomationInventor: Robert H. Quandt
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Patent number: 6676177Abstract: A quarter turn latch for joining a cover to a housing of an enclosure enables a technician to lock the enclosure by simply slamming the cover shut. The latch also enables a technician to unlock the enclosure by rotating the shaft by a quarter turn. The latch includes a shaft and a clasp. The shaft includes a head and a tail. The tail includes peripherally alternating sets of longitudinally spaced teeth and tail cam surfaces. Each tooth has a shoulder facing the head of the shaft and a tooth cam surface. The perimeter of a cross section of each tail cam surface is arcuate. The clasp includes pawls. When the tail is inserted into the clasp, each pawl is in contact with the tail cam surface, the tooth cam surface, or the shoulder. The latch prevents unauthorized access to the enclosure by requiring specific tools to rotate the shaft.Type: GrantFiled: May 14, 2001Date of Patent: January 13, 2004Assignee: Lucent Technologies Inc.Inventors: Bassel H. Daoud, David S. Kerr, Ivan Pawlenko
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Patent number: 6659516Abstract: The invention generally pertains to a portable computer having a base and a lid. More particularly, the invention pertains to an improved locking system for securing the base relative to the lid. One aspect of the invention relates to a latch that is placed in a recess when the lid is opened so as to eliminate unsightly and harmful protrusions. Another aspect of the invention relates to a latch that is automatically extracted from the recess when the lid is closed so as to secure the lid to the base. For example, a magnetic actuator may be used to automatically extract the latch when the lid is closed. Yet another aspect of the invention relates to a button for releasing the secured latch so as to allow the lid to be opened.Type: GrantFiled: January 5, 2001Date of Patent: December 9, 2003Assignee: Apple Computer, Inc.Inventors: Shyue-Yang Wang, John C. DiFonzo, Daniele De Iuliis, Andrew L. Johnston
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Patent number: 6659575Abstract: A cabinet cover construction for a formed sheet metal cabinet includes a front edge with two angled surfaces that are congruent with compatible angled surfaces of the top edge of the cabinet to ensure alignment of a closed cover on the cabinet and to prevent overbite of the cover upon closing thereof.Type: GrantFiled: April 11, 2002Date of Patent: December 9, 2003Assignee: Waterloo Industries, Inc.Inventors: Nathan Thomas Hellman, Kevin Michael Kraus, Greg Jon Holcomb, Daniel Lee Jackson
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Patent number: 6619707Abstract: A non-biased security lock for a double-hung window assembly is disclosed as well as a method of securing a double-hung window assembly using the sash lock. One or more security locks are installed in one or more recesses in the stile of an outer window sash. In an open, or locked, position, a locking tab is rotatably disposed about a pivot pin substantially perpendicular to the stile of the outer window sash. The locking tab arrests further displacement of the inner window sash when the header of the inner window sash encounters the extended locking tab. The locking tab is restrained by a pair of pinions; hence any force or load applied to the locking tab is transferred as moment to the pinions. In a closed, or unlocked, position, the locking tab is rotatably disposed about the pivot pin so that the upper surface of the locking tab is flush with or substantially below the outer surface of the stile of the outer window sash so that the sash lock does not hinder relative movement of the window sashes.Type: GrantFiled: May 8, 2001Date of Patent: September 16, 2003Inventors: John Sucu, Francis L DeRubeis
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Patent number: 6595561Abstract: The invention relates to a closure comprising a closing head (20) and a lock (10) which rest on the immobile or mobile part of a door, flap or such like. The closing head (20) has an undercut axial shoulder (26) which during coupling is engaged by a radially mobile blocking member (11) in the lock (10). The lock (10) further comprises a sensing member (12) and a restoring member (13) for the blocking member (11). To make the lock less prone to malfunctions the invention provides for the axially spring-loaded sensing member (12) to be used as a locking means for the radially spring-loaded blocking member (11). When the locking effect is actuated the blocking member (11) is held in a release position in relation to the closing head (20). When the closing head (20) is engaged the sensing member (12) carries out an axial movement which releases the lock so that the radial spring-loading can move the blocking member (11) into its blocked position.Type: GrantFiled: November 28, 2000Date of Patent: July 22, 2003Assignee: Huf Hülsbeck & Furst GmbH & Co. KGInventors: Piotr Szablewski, Joachim Barthel
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Patent number: 6523868Abstract: A sweep lock locking the check rails of an upper and lower sash improves window resistance to negative wind force. The lock accomplishes this by a cam with a pair of locking rims that engage cam receiver projections extending upward and downward to lock along two vertically separated locking lines, which tends to resist sash tilting from vertical as sash are deformed in response to negative wind force. Preferred embodiments of a cam lock and mounting hub include a two-piece hub that snaps together within a rotational opening of the cam lock to form a subassembly ready for mounting.Type: GrantFiled: September 21, 2000Date of Patent: February 25, 2003Assignee: Caldwell Manufacturing CompanyInventor: E. Erik Timothy
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Patent number: 6502869Abstract: A system is disclosed for ensuring that the pod door is firmly and securely retained on the port door of a process tool as the pod door is removed from the pod and stowed in the process tool during workpiece transfer between the pod and process tool. The system includes a latch key protruding outwardly from the outer surface of the port door. The latch key is provided to mate within a slot of a door latch assembly within the pod door. Once the latch key is properly seated within the slot, the latch key is rotated by mechanisms within the port door to decouple the pod door from the pod shell. Such rotation at the same time couples the pod door to the port door. According to the present invention, while the latch key rotates, it simultaneously moves in the rearward direction (i.e., back toward the port door) to thereby pull the pod door into a tight engagement with the port door.Type: GrantFiled: July 14, 1998Date of Patent: January 7, 2003Assignee: Asyst Technologies, Inc.Inventors: Frederick T. Rosenquist, Michael Ng
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Publication number: 20020171249Abstract: A quarter turn latch for joining a cover to a housing of an enclosure enables a technician to lock the enclosure by simply slamming the cover shut. The latch also enables a technician to unlock the enclosure by rotating the shaft by a quarter turn. The latch includes a shaft and a clasp. The shaft includes a head and a tail. The tail includes peripherally alternating sets of longitudinally spaced teeth and tail cam surfaces. Each tooth has a shoulder facing the head of the shaft and a tooth cam surface. The perimeter of a cross section of each tail cam surface is arcuate. The clasp includes pawls. When the tail is inserted into the clasp, each pawl is in contact with the tail cam surface, the tooth cam surface, or the shoulder. The latch prevents unauthorized access to the enclosure by requiring specific tools to rotate the shaft.Type: ApplicationFiled: May 14, 2001Publication date: November 21, 2002Inventors: Bassel H. Daoud, David S. Kerr, Ivan Pawlenko
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Publication number: 20020167180Abstract: A non-biased security lock for a double-hung window assembly is disclosed as well as a method of securing a double-hung window assembly using the sash lock. One or more security locks are installed in one or more recesses in the stile of an outer window sash. In an open, or locked, position, a locking tab is rotatably disposed about a pivot pin substantially perpendicular to the stile of the outer window sash. The locking tab arrests further displacement of the inner window sash when the header of the inner window sash encounters the extended locking tab. The locking tab is restrained by a pair of pinions; hence any force or load applied to the locking tab is transferred as moment to the pinions. In a closed, or unlocked, position, the locking tab is rotatably disposed about the pivot pin so that the upper surface of the locking tab is flush with or substantially below the outer surface of the stile of the outer window sash so that the sash lock does not hinder relative movement of the window sashes.Type: ApplicationFiled: May 8, 2001Publication date: November 14, 2002Inventors: John Sucu, Francis L. DeRubeis
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Publication number: 20020167181Abstract: A latch assembly includes a casing defining a lever chamber and a spring chamber and having a wall interposed between the lever chamber and the spring chamber and formed with a shaft-extension hole to permit extension of a coupler shaft therethrough such that a pivot portion of the shaft extends into the lever chamber and a threaded portion of the shaft is disposed outwardly of the spring chamber. The threaded portion is formed with a pair of axially aligned grooves. A coupler portion of a latch member is formed with a shaft hole confined by a hole-confining wall for extension of the threaded portion therethrough, and a pair of engaging tongues that extend inwardly and radially from the hole-confining wall and that slidably and respectively engage the slots in the shaft so as to permit sliding movement of the latch member along the length of the shaft and so as to facilitate mounting and removal of the latch member on and from the shaft.Type: ApplicationFiled: April 30, 2002Publication date: November 14, 2002Inventor: Ching-Hua Chiang
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Patent number: 6464423Abstract: Improved table connecting brackets capable of quickly and easily connecting and disconnecting tables. The ganging bracket comprises a mounting assembly that can be attached to the first table and a connector assembly that can be attached to the second table. The ganging bracket also comprises a swing arm that has at least one seat disposed at one end of the swing arm and is constructed to receive and lock to the connector assembly. A tooth is disposed on the swing arm proximate each seat. The swing arm also has an aperture that is disposed on the swing arm distal the at least one seat, is constructed to receive the mounting assembly and is positioned and configured to allow the swing arm to be rotatably mounted to the first table.Type: GrantFiled: February 23, 1999Date of Patent: October 15, 2002Assignee: Bretford Manufacturing, Inc.Inventor: Mark P. Klein
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Patent number: 6457752Abstract: A locking window. The window includes a window frame including a window sash which is selectively movable between a first closed position and a second open position. A window latch is adapted to be attached to the window and is selectively movable between a first open position and a second locked position to secure the window sash in the closed position. The window latch includes a sweep latch, which is preferably offset, and a non-compressible pivot fastener for attaching the window latch to the window. The offset arrangement provides sufficient space for substantially unequal length actuator and locking arms to provide a mechanical advantage when the window latch is operated. The pivot fastener includes a support bushing and a fastener extending through the support bushing for attaching the offset sweep latch to the window.Type: GrantFiled: January 21, 2000Date of Patent: October 1, 2002Assignee: Hughes Supply Company of Thomasville, Inc.Inventors: D. Keith Miller, Christopher R. Rogers, Farrell Smith
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Patent number: 6425610Abstract: A control cabinet with a cabinet body, whose open front side can be successively closed by an inner door and a closing door presenting a closing device. The inner door can be fixed against the cabinet body at the top and at the bottom by means of a two-armed locking lever and the closing door can be fixed against the cabinet body by means of a locking bar. The closing door partly overlaps the inner door in the closing area. With mirror-symmetrical locking levers, no elements of the locking levers protrude over the free edge of the inner door in any position of the locking levers and the locking levers are easily operated.Type: GrantFiled: October 5, 2000Date of Patent: July 30, 2002Assignee: Rittal-Werk Rudolf Loh GmbH & Co. KGInventors: Wolfgang Reuter, Martina Köhler, Paul Root
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Publication number: 20020074911Abstract: A computer enclosure (1) includes a chassis (10), a cover (20), a turn support (40) and a locking device (50). The chassis defines a plurality of slots (17) in a pair of opposite sills (16) thereof. The cover has a plurality of catches (21) for the engagement with the chassis at the slots. The turn support is attached to the chassis. The locking device includes a turn cap (60), a cam (52), a washer (54), and a bolt (56). The turn cap and cam are rotatably secured to the cover with the washer and the bolt. Rotation of the turn cap causes corresponding rotation of the cam. When rotated, the cam acts on flanges (46, 48) at an opening (42) of the turn support. The locking device thereby drives the cover to move forward or rearward. The catches of the cover accordingly engage with or disengage from the chassis.Type: ApplicationFiled: December 20, 2000Publication date: June 20, 2002Inventors: Yun Lung Chen, Kuo Chih Lin, Jung Chi Chen
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Patent number: 6361088Abstract: A casement fastener closure for thick-walled doors, shutters or the like comprising a housing for rotatable mounting of the actuating shaft of the casement fastener, which housing has, at its circumference, a thread and axially extending flattened portions, wherein a fastening plate provided with a threaded bore hole can be screwed onto the housing and, together with another plate which has an opening that is not round and which can be mounted on the housing so as to be rigid against rotation, can be fastened to the back of the door or shutter by means of wood screws. A recess is formed in one plate, e.g., the plate that can be screwed on, wherein the other plate, e.g., the plate which can be mounted, can be received in the recess so as to be fixed with respect to rotation.Type: GrantFiled: June 19, 2000Date of Patent: March 26, 2002Inventor: Dieter Ramsauer
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Publication number: 20020033607Abstract: The locking mechanism described herein is for use in an enclosure, which is part of a product delivery system. The locking mechanism uses existing locks and latches, and configures them using linkages into a mechanism that is not currently available. The mechanism has a latch that holds the door of the enclosure closed. This latch stays in a normally unlocked state until deliberate acts are taken to lock the latch. When a delivery is made, the delivery person opens the unlocked door, makes the delivery, and then closes the door and turns the rotary latch counter clockwise until it latches in the locked position. There are three independent and distinct ways to unlock the mechanism: (1) a key can be used to unlock the mechanism; (2) a combination lock can be used to unlock the mechanism; or (3) an emergency release paddle, for child safety is located on the lower back cover of the lock, and can be pushed to unlock the mechanism.Type: ApplicationFiled: August 7, 2001Publication date: March 21, 2002Inventor: Charles H. Worrall
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Patent number: 6298697Abstract: A pivoting lever closure is disclosed for the door, the sidewall or the like of an electrical control cabinet, a machine casing or the like, comprising an actuation shaft traversing the door leaf or the like, locking devices driven by the actuating shaft such as a sash lock and/or a bar lock, a cavity that can be placed on the door leaf or the like, an actuating lever which can be pivotally actuated on the actuating shaft around an axis which is perpendicular to the axis of the actuating shaft and which can be blocked in a pivoting position in the cavity by a locking device (i.e. a padlock) and can be swung out of the cavity. The actuating shaft can be rotated by the actuating lever from the cavity in the pivoting position.Type: GrantFiled: October 25, 1999Date of Patent: October 9, 2001Inventor: Dieter Ramsauer
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Patent number: 6244636Abstract: A door latch assembly for preventing unwanted entry into a hotel room, apartment, dwelling, or the like. In certain embodiments, the door latch assembly includes an approximately L-shaped member which is selectively pivoted between locking and non-locking positions. In certain embodiments, the latch may not be readily utilized to prop open a door, as a closing door will cause the latch to move from a locking position to a non-locking position during door closure.Type: GrantFiled: July 29, 1999Date of Patent: June 12, 2001Inventor: Robert Rissone
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Patent number: 6224118Abstract: A child resistant latch system for minimizing a child's access to cabinets containing potentially harmful items includes a spring loaded biasing assembly for biasing a handle that is operationally coupled to a latch that is positioned proximate a stop plate. Optionally, a latch receiving plate assembly may be attached to a frame of the cabinet.Type: GrantFiled: August 5, 1999Date of Patent: May 1, 2001Inventor: Gordon J. Ashford
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Patent number: 6203076Abstract: A fold-down handle device for attachment to a first member, such as a panel, to provide a controlled pushing and pulling action on actuation for facilitating insertion and retraction of the first member to a second member, such as a cabinet, the handle device including a handle with a gripping portion, a cam member, a pawl member and a drive pin connecting the pawl member to the handle and extending through a slot provided in the cam member to regulate the movement of the pawl when the handle is lifted from a folded horizontal position to an upright vertical position.Type: GrantFiled: November 1, 1999Date of Patent: March 20, 2001Assignee: Southco, Inc.Inventors: Roger Wytcherley, Clive Morgan
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Patent number: 6155616Abstract: A locking mechanism and closure assembly are provided including a housing, a latch rotatably mounted to the housing, a spring member for urging the latch from a first position toward a second position, and a control member mounted to the housing for selectively securing the latch against rotation from the first position toward the second position. The control member may be slidably mounted relative to the housing, and may selectively rotate the latch from the first position toward the second position upon failure of the spring member. The latch may be positionable in a third position between the first and second positions, and may have a recess for receiving a striker designed for holding the striker within the recess at some times and guiding the striker into or out of the recess at other times.Type: GrantFiled: June 16, 1997Date of Patent: December 5, 2000Assignee: Randall C. HansenInventor: Michael V. Akright
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Patent number: 6106034Abstract: A rotary latch for a clamshell housing with truncated circular upper and lower lugs, that can if desired, be made in a single plastic molding and rotatably attached to the housing without any rivets, pins or screws. The upper lug has an arcuate extent of more than 180 degrees and the lower lug has an arcuate extent coaxial with the upper lug but less than 180 degrees. The latch is an annular plastic body that is deformed to snap over and rotatably mount on the upper lug, effected by an annular recess in the body that extends 360 degrees inside around the body so as the body rotates on the upper lug, it never loses contact over any portion thereof. The lower lug is axially offset from the upper lug and the latch body has a latch cup portion that scoops and aligns the lower lug with the upper lug in three orthogonal coordinates. The latch cup portion is also axially offset from the upper lug so it can pass behind the upper lug as the latch body is rotated from a latch position to a release position.Type: GrantFiled: April 13, 1999Date of Patent: August 22, 2000Assignee: Vardon Golf Company, Inc.Inventor: Dillis V. Allen
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Patent number: 6079754Abstract: A latching assembly, such as for use in assembling and disassembling mating foamed insulating panels, may have housing components of inexpensive materials such as cellulosic or non-structural plastic materials. A cam shaft passes through an opening in a latch, the cam shaft mounting a cam keeper which has its peripheral surface engaged by a friction clutch (e.g. a cantilevered tongue) which supplies a radial or axial spring force from the exterior of the cam keeper to provide high level of predictable friction force. The cam shaft, and a latching pin for cooperation with hook portion of the latch, are mounted by metal or structural plastic flanges which engage the inexpensive housing components. An external clutch, such as a spring tab integral with the second metal or structural plastic flange, maintains the position of the cam shaft with respect to the flange unless the cam shaft is positively rotated.Type: GrantFiled: December 15, 1998Date of Patent: June 27, 2000Inventor: Fred H. Alexy
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Patent number: 6076869Abstract: A pressing and latching structure for a notebook-type computer screen, includes a pressing section disposed on the computer screen and a latching section disposed on a main body of the computer. By pressing the pressing section with one hand, the computer screen is unlatched from the main body, permitting the computer screen to be easily pivoted up from the main body.Type: GrantFiled: November 10, 1998Date of Patent: June 20, 2000Assignee: Compal Electronics, Inc.Inventors: Ying-Hu Chen, Po-An Lin
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Patent number: 6073792Abstract: A cap body has a movable retaining tongue which is engageable with a portion of an access structure to retain the cap on the structure. A tongue is manipulated through a bolt, the head of which is accessible at the top surface of the cap body. A cover for the bolt head has a locking post which extends through the cap body and engages and locks the tongue against movement.Type: GrantFiled: July 27, 1998Date of Patent: June 13, 2000Inventors: Lucky Campbell, Rodger Calder