Abutment Mounted Between Spaced Parallel Arms Patents (Class 269/318)
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Patent number: 8303784Abstract: A bandoleer of article carriers includes a carrier band, and a plurality of carrier racks connected with a bottom edge of the carrier band each by means of a connecting plate and arranged at regular intervals. Each carrier rack shows a substantially inverted-V shape and has a pair of elastic arms extending downward from two ends of a bottom edge of the connecting plate and gradually inclined away from each other. Two distal ends of the elastic arms protrude oppositely to each other to form a pair of hook portions. Upper portions of two opposite side edges of the connecting plate oppositely protrude sideward to form two blocking portions. Lower portions of the two opposite side edges of the connecting plate oppositely protrude sideward and then are bent towards two opposite directions perpendicular to the plane of the connecting plate to form two lying-L shaped resisting portions.Type: GrantFiled: April 26, 2011Date of Patent: November 6, 2012Assignee: Cheng Uei Precision Industry Co., Ltd.Inventor: Chih-Lin Yang
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Patent number: 8221697Abstract: An automated lidder and/or delidder apparatus to engage and disengage a lid from a microplate is disclosed. The microplate includes a sample area with a plurality of individual wells and a hollow outer frame formed around the sample area, the frame being shaped to include a plurality of openings in its top surface. The lid includes a plate and a plurality of latches formed on the underside of the plate. In the lidding process, the apparatus presses down on the lid to insert each latch through a corresponding opening in the microplate until the latch snaps into engagement with the frame. In the delidding process, the apparatus inserts delidding posts into the openings to disengage the latches from the frame.Type: GrantFiled: August 2, 2010Date of Patent: July 17, 2012Inventors: Michael J. Nichols, Louis J. Guarracina
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Publication number: 20090051097Abstract: A quickly assembled and disassembled non-return plate for a table sawing machine is assembled on an assembly base of a quickly disassembling device to be pivotally engaged in a pivot notch of a chopper plate by a position-limiting rotary shaft acting as a pivot. A positioning pin is to be axially positioned in a positioning hole of the assembly base. When operated to shift axially, the positioning pin can be inserted and positioned in or disengaged from a through hole of the chopper plate and fixed in position by a positioning member. By so designing, the assembly base can be quickly engaged on or disengaged from the chopper, able to achieve an objective of quick assembling and disassembling of the non-return plates.Type: ApplicationFiled: August 22, 2007Publication date: February 26, 2009Inventor: Bor-Yann Chuang
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Patent number: 7174820Abstract: A rip fence for movable and positionable use on a worktable of a cutting machine includes an adjusting handle for control locking of the fence to the worktable, and a trigger, which keeps the fence locked to the worktable when it is not pressed and, which enables the user to unlock the fence from the worktable by operating the adjusting handle when it is pressed.Type: GrantFiled: October 28, 2004Date of Patent: February 13, 2007Assignee: Durq Machinery Corp.Inventor: Peter Huang
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Patent number: 6742432Abstract: The present invention involves an elongated frame assembly to permit the securing and proper angular cutting to length of a plurality of balusters which are utilized to support a handrail. The frame assembly comprises a pair of spaced-apart parallel side rails connected to a first and a second end rail and a separate support base arranged under each end rail to provide support the respective ends of balusters in the frame assembly. An adjustable slide member is arranged to permit the length of a plurality of balusters to be fixedly set according to a desired length to eliminate inaccuracies in cutting thereof.Type: GrantFiled: September 6, 2000Date of Patent: June 1, 2004Inventor: Steven J. Langis
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Patent number: 6675685Abstract: An adjustable rip fence for a machine tool has a fence which is movable with respect to the cutting tool due to a rack and pinion. The rail assembly supporting the fence include a pair of stationary rails which are secure to the machine tool. A movable rail telescopically engages each stationary rail and the movement of each rail is accomplished by the rotation of a pair of pinion gears each of which engages a respective rack on the movable rails. The simultaneous rotation of the pinion gears is the result of both pinion gears being secured to a common pinion shaft which is rotatably secured to the machine tool. The telescoping nature of the rails allows for adjustment of the fence beyond the working surface of the machine tool.Type: GrantFiled: May 23, 2002Date of Patent: January 13, 2004Assignee: Black & Decker Inc.Inventors: Warren A. Ceroll, Robert S. Gehret, Daniel Puzio, Frederick R. Bean, Michael L. O'Banion, David A. Porter
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Publication number: 20030079592Abstract: A clamping apparatus for clamping a workpiece-blocking plate of a table saw includes a mounting member attached to a machine base, and a retaining plate mounted pivotally on the mounting member. The retaining plate has an L-shaped plate portion that supports the workpiece-blocking plate thereon and that is biased to press the workpiece-blocking plate against the mounting member. When the workpiece-blocking plate is removed from the apparatus, the retaining plate can be turned to a storage position, where the retaining plate is disposed within a notch in the mounting member and where the L-shaped plate portion is disposed within an L-shaped notch portion of the notch.Type: ApplicationFiled: October 25, 2001Publication date: May 1, 2003Inventor: Jackie Lee
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Publication number: 20020174755Abstract: An improved table having improvements related to stock support, such as a rip fence stock support, as well as a lateral-table support system; features of laterally-slideable front and back rip fence guide rails, including an improved front rail configuration, an improved rear rail configuration, and an especially-configured front and back rail combination, including a rail configuration having cross-sectional aspects configured for use as both the front and rear rail, each instance of improved rail configuration providing the basis for an improved rip-fence locking system; improved sliding-rail lock shoes, including lock shoes that comprise an improved cross section for sliding in T-track, as well as lock and support shoes having a particular raised rib, also for improved sliding in a laterally-adjustable rail system, and a system wherein of one two rail shoes per rail, a rail-locking support shoe, is configured for biasing, and wherein the other shoe for each rail, a rail supporting shoe, remains fixed; fronType: ApplicationFiled: March 11, 2002Publication date: November 28, 2002Inventors: Rocken Wade Behne, Todd Chipner, Jaime Garcia, John Charles Smith, Brent Edward Stafford, Zhilong Zhang
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Patent number: 6484614Abstract: A worktable of a workpiece finishing machine comprises a first worktable and a second worktable. The first worktable has a first joining portion. The second worktable has a second joining portion which is joined with the first joining portion to enable the second worktable to slide back and forth along a predetermined direction provided by the first joining portion, thereby resulting in a change in the area formed between the first worktable and the second worktable for placing a workpiece to be finished by the workpiece finishing machine. The worktable further comprises a locating device formed of an arresting member with a first friction portion, and an actuating mechanism which is mounted on the second worktable and is connected with the arresting member. The arresting member is actuated to move back and forth between a first position and a second position, so as to enable the arresting member to press against the first worktable to attain the effect of locating the second worktable.Type: GrantFiled: May 8, 2001Date of Patent: November 26, 2002Assignee: Durq Machinery Corp.Inventor: Peter Huang
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Patent number: 6481723Abstract: A pin stop and method of implementation suitable for use lift pin assemblies used in semiconductor process environments is provided. The pin stop includes a pin shaft and a circular pin head with soft stop and hard stop features defined thereon. The soft stop feature is defined in a grove in the pin head surface and is configured to impact a stopping surface slowing movement of a lift pin assembly. The hard stop then impacts the stopping surface providing a constant, reliable and repeatable position of a wafer positioned on the lift pin assembly.Type: GrantFiled: March 30, 2001Date of Patent: November 19, 2002Assignee: Lam Research CorporationInventors: Fangli J. Hao, Dean Jay Larson
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Patent number: 6467761Abstract: A positioning device and method for positioning objects is provided. The device includes a movable stage and a pair of levers. The pair of levers is symmetric about a first axis of the movable stage. Additionally, the pair of levers is parallel to a second axis of the movable stage. This second axis is perpendicular to the first axis. Each of the pair of levers applies a force to the movable stage. Each of the pair of levers moves in an arc. The two levers move in opposite directions along their respective arc. The two arcs are symmetrical about an axis of the movable stage.Type: GrantFiled: June 20, 2000Date of Patent: October 22, 2002Assignees: The United States of America as represented by the Secretary of Commerce, The 14th and Constitution National Institute of Standards and TechnologyInventors: Edward G. Amatucci, Nicholas G. Dagalakis, Jason Marcinkoski, Frederic E. Scire, John A. Kramar
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Patent number: 6460442Abstract: A rip fence used with a table saw, where the table saw has an upper cutting surface with a front edge surface and a rear edge surface. The rip fence includes a main casing having a front clamping mechanism at the front end and a rear clamping mechanism at the rear end. The front clamping mechanisms has a frame with a handle pivotally connected thereto. A link is connected at one end to the handle and at another end to a cam. An activation plate is also connected the cam and to a clamping plate. The handle rotates between a locked position and a released position thereby moving the link to rotate the cam against the activation plate. The activation plate causes the clamping plate to laterally move between a locked position and a released position relative the front edge surface. The handle also causes the rear clamping mechanism to move between a locked and a released position relative the rear edge surface.Type: GrantFiled: February 28, 2002Date of Patent: October 8, 2002Assignee: S-B Power Tool CompanyInventors: Mark S. Talesky, Kenneth N. Svetlik, Ezequiel Romo
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Patent number: 6450077Abstract: An adjustable rip fence for a machine tool has a fence which is movable with respect to the cutting tool due to a rack and pinion. The rail assembly supporting the fence include a pair of stationary rails which are secure to the machine tool. A movable rail telescopically engages each stationary rail and the movement of each rail is accomplished by the rotation of a pair of pinion gears each of which engages a respective rack on the movable rails. The simultaneous rotation of the pinion gears is the result of both pinion gears being secured to a common pinion shaft which is rotatably secured to the machine tool. The telescoping nature of the rails allows for adjustment of the fence beyond the working surface of the machine tool.Type: GrantFiled: October 13, 1999Date of Patent: September 17, 2002Assignee: Black & Decker Inc.Inventors: Warren A. Ceroll, Robert S. Gehret, Daniel Puzio, Frederick R. Bean, Michael L. O'Banion, David A. Porter
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Patent number: 6449827Abstract: An apparatus suitable for securely gripping and holding a microplate or other containers during robotic de-lidding operations. A microplate placed on the apparatus is held by a vacuum drawn through the base thereof, allowing the lid of the microplate to be removed without movement of the plate. Afterwards, the vacuum can be discontinued and the plate removed from the apparatus.Type: GrantFiled: October 10, 2000Date of Patent: September 17, 2002Assignee: Merck & Co., IncInventors: Glenn A. Clarke, Marc N. Feiglin, Gary S. Kath, Gregory W. King
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Patent number: 6439280Abstract: A working table device includes a base having a table plate supported on top, and one or more boards coupled to the table plate with one or more beams for increasing the working or supporting surfaces or areas for the work pieces and for smoothly supporting the work pieces on the table plate and the boards. The beams include one or more side channels for receiving fasteners and for securing to the table plate and the boards. One or more legs may be attached to the beams or to the boards for flushing the board with the table plate and for smoothly supporting the work pieces.Type: GrantFiled: December 18, 2000Date of Patent: August 27, 2002Inventor: Tian Wang Wang
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Patent number: 6250190Abstract: An adjustable rip fence for a machine tool has a fence which is movable with respect to the cutting tool due to a rack and pinion. The rail assembly supporting the fence include a pair of stationary rails which are secure to the machine tool. A movable rail telescopically engages each stationary rail and the movement of each rail is accomplished by the rotation of a pair of pinion gears each of which engages a respective rack on the movable rails. The simultaneous rotation of the pinion gears is the result of both pinion gears being secured to a common pinion shaft which is rotatably secured to the machine tool. The telescoping nature of the rails allows for adjustment of the fence beyond the working surface of the machine tool.Type: GrantFiled: April 9, 1998Date of Patent: June 26, 2001Assignee: Black & Decker Inc.Inventors: Warren A. Ceroll, Robert S. Gehret, Daniel Puzio, Frederick R. Bean, Michael L. O'Banion, David A. Porter
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Patent number: 6148703Abstract: An adjustable rip fence for a machine tool has a fence which is movable with respect to the cutting tool due to a rack and pinion. The rail assembly supporting the fence include a pair of stationary rails which are secure to the machine tool. A movable rail telescopically engages each stationary rail and the movement of each rail is accomplished by the rotation of a pair of pinion gears each of which engages a respective rack on the movable rails. The simultaneous rotation of the pinion gears is the result of both pinion gears being secured to a common pinion shaft which is rotatably secured to the machine tool. The telescoping nature of the rails allows for adjustment of the fence beyond the working surface of the machine tool.Type: GrantFiled: October 14, 1999Date of Patent: November 21, 2000Assignee: Black & Decker Inc.Inventors: Warren A. Ceroll, Robert S. Gehret, Daniel Puzio, Frederick R. Bean, Michael L. O'Banion, David A. Porter
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Patent number: 6062121Abstract: An adjustable rip fence for a machine tool has a fence which is movable with respect to the cutting tool due to a rack and pinion. The rail assembly supporting the fence include a pair of stationary rails which are secure to the machine tool. A movable rail telescopically engages each stationary rail and the movement of each rail is accomplished by the rotation of a pair of pinion gears each of which engages a respective rack on the movable rails. The simultaneous rotation of the pinion gears is the result of both pinion gears being secured to a common pinion shaft which is rotatably secured to the machine tool. The telescoping nature of the rails allows for adjustment of the fence beyond the working surface of the machine tool.Type: GrantFiled: November 19, 1997Date of Patent: May 16, 2000Assignee: Black & Decker Inc.Inventors: Warren A. Ceroll, Robert S. Gehret, Daniel Puzio, Frederick R. Bean, Michael L. O'Banion, David A. Porter
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Patent number: 5931209Abstract: A locking extension for a tool table includes first and second rails slidingly mounted to opposing sides of the tool table and an extension having a support surface fixedly mounted to and spanning the first and second rails. A locking assembly for locking both of the rails to the tool table at a desired position includes a first linkage member having an axis and being longitudinally movable relative to the axis by a pair of cooperating cam blocks. A second linkage member is biased and is operably connected to the first linkage member by a pivot member. The linkage members each have a rail engaging element mounted to an end thereof that is engagable with its respective rail to lock the rails into the desired position and disenageable with its respective rail to unlock the rails from the desired position. The locking assembly includes an actuator operably connected to one of the cam blocks for moving the locking assembly between the locked and unlocked states.Type: GrantFiled: August 24, 1998Date of Patent: August 3, 1999Assignee: P & F Brother Industrial Corp.Inventor: Paul C. T. Chang
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Patent number: 5722308Abstract: An adjustable rip fence for a machine tool has a fence which is movable with respect to the cutting tool due to a rack and pinion. The rail assembly supporting the fence include a pair of stationary rails which are secure to the machine tool. A movable rail telescopically engages each stationary rail and the movement of each rail is accomplished by the rotation of a pair of pinion gears each of which engages a respective rack on the movable rails. The simultaneous rotation of the pinion gears is the result of both pinion gears being secured to a common pinion shaft which is rotatably secured to the machine tool. The telescoping nature of the rails allows for adjustment of the fence beyond the working surface of the machine tool.Type: GrantFiled: October 10, 1995Date of Patent: March 3, 1998Assignee: Black & Decker Inc.Inventors: Warren A. Ceroll, Robert S. Gehret, Daniel Puzio, Frederick R. Bean, Michael L. O'Banion, David A. Porter
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Patent number: 5293961Abstract: An apparatus for fabricating arched wooden structures such as headers for window and door jambs, said apparatus comprising a mandrel table having a planar bed from which a plurality of rigid arms upwardly extend. Each of the arms is movable on the bed so that the arms can be positioned to define and form in conjunction with each other an arcuate shaped mandrel about which wooden planks are to be bent into arched structures. A clamp secures a long work piece at its center to the mandrel intermediate the ends of the mandrel and a flexible steel band is wrapped tightly and progressively about the mandrel on either side of the clamp to bend each end section of the work piece about and conform it to the shape of the mandrel.Type: GrantFiled: August 20, 1992Date of Patent: March 15, 1994Inventor: Leonard F. Postema
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Patent number: 5293802Abstract: A table saw has a circular saw table, a miter table and a supplementary table to form a working table, on the front and rear sides of which two guide rails are disposed slidably with respect to the working table. The miter table has a miter fence thereon whose pivot points are provided at two separate positions.Type: GrantFiled: June 16, 1993Date of Patent: March 15, 1994Assignee: Ryobi LimitedInventors: Takeshi Shiotani, Kouichi Miyamoto, Kunio Tsugami, Mitsumasa Sato, Tatsuya Wada
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Patent number: 5230269Abstract: A table saw has a circular saw table, a miter table and a supplementary table to form a working table, on the front and rear sides of which two guide rails are disposed slidably with respect to the working table. The miter table has a miter fence thereon whose pivot points are provided at two separate positions.Type: GrantFiled: March 23, 1992Date of Patent: July 27, 1993Assignee: Ryobi LimitedInventors: Takeshi Shiotani, Kouichi Miyamoto, Kunio Tsugami, Mitsumasa Sato, Tatsuya Wada
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Patent number: 5116249Abstract: A table saw has a circular saw table, a miter table and a supplementary table to form a working table, on the front and rear sides of which two guide rails are disposed slidably with respect to the working table. The miter table has a miter fence thereon whose pivot points are provided at two separate positions.Type: GrantFiled: October 25, 1991Date of Patent: May 26, 1992Assignee: Ryobi LimitedInventors: Takeshi Shiotani, Kouichi Miyamoto, Kunio Tsugami, Mitsumasa Sato, Tatsuya Wada
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Patent number: 4964450Abstract: A removable extension for a circular table saw comprising a pair of removable arms extending outwardly coaxially with the existing arms and an adapter for supporting the material to be cut which fits over the existing fence for the table saw.Type: GrantFiled: December 15, 1989Date of Patent: October 23, 1990Inventors: James D. Hughes, Bryan K. Bailey
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Patent number: 4911048Abstract: A sawmill gauge is set forth for use in combination in rough-cut push/pull type sawmill organizations. The gauge apparatus comprises a framework securable to an underlying support relative to a sawmill blade wherein the framework includes a plurality of parallel cooperating threaded tracks operative by means of a single external rotatable handle coextensive with one of the tracks including a carriage reciprocatably driven by the tracks including internal threads cooperative with external threads folded in the tracks. The carriage includes a guide beam reciprocatably adjustable relative to said carriage and pivotally securable thereto to provide angular adjustment of said guide relative to said sawmill. Angular adjustment of said guide is limited to fifteen degrees clockwise or counter-clockwise rotation of said guide including a fine adjustment set screw cooperative with a clamping arrangement for securing the guide in a predetermined angular orientation relative to the sawmill.Type: GrantFiled: May 19, 1988Date of Patent: March 27, 1990Inventor: Alonzo G. Osborne
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Patent number: 4696213Abstract: A tool having a laterally slidable adjustment structure including a corresponding track and guide slidable thereon. The tool also includes a mechanism for releasably securing the guide on the track in a selected position of adjustment. Additionally, the tool is provided with a friction drive arrangement operatively associated with the guide and in engagement with the track.Type: GrantFiled: January 2, 1986Date of Patent: September 29, 1987Assignee: Sears, Roebuck & Co.Inventor: Martin L. Conneally
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Patent number: 4252303Abstract: A self-alignable holder holds a row of coupling elements mounted on a slide fastener stringer tape in alignment with a slot cutter regardless of the size of the coupling elements. The holder includes a base having a slot receptive of the stringer tape, a pair of parallel holding plates movably disposed on the base for laterally sandwiching the row of coupling elements therebetween, a pair of parallel-motion links pivotally connecting the holding plates together, and a pair of supports mounted on the base and pivotally supporting the links so that the gripping edges of the holding plates are equidistant from the longitudinal axis of the slot. Spring means in the base urge the holding plates laterally toward each other for holding the row of coupling elements in longitudinal alignment with the slot axis resiliently with equalized lateral forces.Type: GrantFiled: November 28, 1979Date of Patent: February 24, 1981Assignee: Yoshida Kogyo K.K.Inventor: Hideo Shimai
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Patent number: 4175737Abstract: An improved stop mechanism for use with machinery wherein a workpiece is advanced through one or more tooling stations comprises an arm supported for limited pivotal movement about orthogonal axes. The arm is constrained for movement within a grooved block and mounted on a pin extending through coaxial conical bores formed in opposite sides of the arm. The arm is biased in a direction opposite to travel of the workpiece to a ready position in sliding contact with the workpiece until the forward end of the arm engages a predetermined notch or locating surface on the workpiece and pivotally moves therewith to a stop position. The rear end of the arm simultaneously actuates a valve, switch or other control device to initiate the desired operation on the workpiece. After completion of the desired operation, the arm is disengaged from the notch or locating surface to release the workpiece and returned to the ready position.Type: GrantFiled: June 23, 1978Date of Patent: November 27, 1979Assignee: Krestmark Industries, Inc.Inventor: Steven K. Foss
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Patent number: 4002329Abstract: A device for supporting a workpiece for the cutting thereof on a power saw of the type having a table, a blade extending from the table and a miter gauge groove disposed on the table parallel to the plane of the blade. A guide member is slidably mountable in the miter gauge groove and a workpiece holder is disposed between the blade and the guide member. The workpiece holder includes an elongated first portion configured to abut against an edge of the workpiece during the cutting of the workpiece. The workpiece holder is connected to the guide member for both rotational and translational movement of both end portions of the first portion of the workpiece holder with respect to the guide member.Type: GrantFiled: March 17, 1976Date of Patent: January 11, 1977Assignee: Lawrence Peska Associates, Inc.Inventor: Adam Petrowski
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Patent number: 3991991Abstract: A fence unit, for a woodworking table, comprised of a fence extending along the table spaced in front of an attachment plate fixed on the table, and instrumentalities, including parallel links, connected between the attachment plate and fence releasably holding said fence in one preselected working position, but manually operative to release said fence and quick-adjust the same to another, releasably held, preselected working position.Type: GrantFiled: October 20, 1975Date of Patent: November 16, 1976Inventor: Waldemar Hammer