Rigid Patents (Class 292/67)
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Patent number: 4984982Abstract: An access flooring module, which makes available the power and signal cable to a user, is configured to be easily adaptable and user friendly. The module has a movable dividing wall provided therein, the dividing wall being positioned between the power and the signal transmissions to insure the reliability thereof. A pivot arm is provided which allows the module to move between a first position and a second position. A deformable member is positioned on the module, such that as the module is moved between the first and the second positions, the deformable member controls the movement of the module. A latch member is provided on the module, the latch member being moveable between an open position and a closed position. The latch member is provided to secure the access flooring module in the first position, and to provide an opening through which electrical cords can pass.Type: GrantFiled: July 28, 1989Date of Patent: January 15, 1991Assignee: AMP IncorporatedInventors: Alan W. Brownlie, Jack W. Lawhead
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Patent number: 4923230Abstract: A security lock for a double-hung sash window assembly which is to be mounted on a stile of one of the sash frames to limit movement of the second sash frame relative to the one sash. The lock includes a casing adapted to be mounted within a recess formed in one of the sash frames, a faceplate of the casing having an opening therein communicating with an interior casing cavity. A tumbler pivots in the cavity and is spring biased to normally project through the opening to engage the second sash. A leaf spring is mounted completely within the casing cavity normally to bias the tumbler into its locking position, but permitting the tumbler to be retracted into the casing. The lock can be supplied as an assembled unit for installation.Type: GrantFiled: August 18, 1989Date of Patent: May 8, 1990Assignee: Ashland Products CompanyInventor: Harold Simpson
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Patent number: 4921287Abstract: A security latch assembly for a door and window in which the door security latch assembly configuration will prevent the door from an unauthorized opening when the assembly is in a secured locked position. The window security latch assembly configuration will prevent the upper and lower sashes of a window from an unauthorized opening when the assembly is in a second locked position.Type: GrantFiled: September 21, 1989Date of Patent: May 1, 1990Inventors: Edward Horvath, George Spector
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Patent number: 4890868Abstract: A safety door latch is provided for a door hinged to a door frame in a building having a first and second floor. The door latch is spring biased closed to keep the door in a secured locked position and can be manually released to unlock the door from the first and second floors.Type: GrantFiled: March 30, 1989Date of Patent: January 2, 1990Inventors: Edward Horvath, George Spector
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Patent number: 4884614Abstract: A safety gate which is adapted to be mounted on the sidewalls at the top or bottom of a stairway to prevent unwanted access thereto by a toddler or on the sidewalls of a door frame or other structure to prevent unwanted passage therethrough from either direction by a toddler includes a mounting rail which is adapted to be fixedly attached to one of the sidewalls, a locking post which is adapted to be fixedly attached to the other sidewall opposite to the mounting rail and a gate frame assembly which is adapted to be removably and pivotally mounted to one end to the mounting rail and secured at the other end, when desired, to the locking post. When the gate frame assembly is mounted on the mounting rail, the gate frame can be pivoted back and forth like a swinging door when restricted passage is not desired and then locked to the locking post when restricted passage is desired.Type: GrantFiled: August 27, 1987Date of Patent: December 5, 1989Inventor: Charles A. Spurling
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Patent number: 4856241Abstract: A fastening device for door, windowframes or cases comprising an adjusting screw attachable in a wall opening and a locking plate cooperating with said screw and fixable in said frame. The locking plate is attachable against the end border of the frame faced towards the edge of the wall opening. From the fastening plate of said locking plate a locking means protrudes allowing connection selectable in a longitudinal direction of said frame to a snap in connection provided at the upper part of the adjusting screw and provided to engage the locking plate.Type: GrantFiled: November 14, 1988Date of Patent: August 15, 1989Assignee: Lars LagergrenInventor: Lars Eriksson
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Patent number: 4838001Abstract: A window grid attachment device for removably attaching a decorative window grid to a window sash, adjacent a window pane. The device comprises a tubular barrel, a forward opening carried by one end of the barrel, a pin means carried by the barrel which is movable axially between an extended position, in which the tip of the pin protrudes forwardly of the barrel opening, and a retracted position, in which the pin is sheltered within the barrel. A finger operable handle is included for moving the device between extended and retracted positions. A latch means is carried by the barrel for releasibly latching the pin means to the barrel in the retracted position. The device is carried in an axial bore of a window grid member and allowed to contact a window sash in its extended position thereby removably attaching a window grid adjacent a window pane.Type: GrantFiled: February 2, 1988Date of Patent: June 13, 1989Assignee: Marvin Lumber and Cedar CompanyInventor: Laurence Battles
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Patent number: 4833737Abstract: A locking apparatus for securing adjacent articulated members such as a toilet seat and lid mounted on a bowl. Included is a plate for mounting the apparatus to the bowl and a locking arm movable with respect to said plate to a position where the leg of the locking arm overlies the lid.Type: GrantFiled: October 29, 1987Date of Patent: May 30, 1989Assignee: Sanitoy, Inc.Inventors: Richard A. Boucher, Randy L. Abrams
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Patent number: 4834434Abstract: A permanent locking device for a nuclear waste container which, in combination with a lid and a box, utilizes a dee-shaped ring held by a wide, flat hinge and a protruding narrow malleable metal retaining strap. The ring can rotate or slide up and down within the hinge, as well as slide side to side. The hinge has a slot in its top for temporarily holding the ring in an up position while the lid is open and the box is being loaded with nuclear waste. When the lid is closed and the ring is disengaged from the slot, the ring can be quickly dropped to a down position permitting the retaining strap to extend through the ring. The retaining strap can then be readily bent down and over the circular (bottom) portion of the ring, to form a permanent seal. A deformable rubber gasket is positioned between the lid and the top edges of the box to form an air tight seal.Type: GrantFiled: May 27, 1986Date of Patent: May 30, 1989Inventor: Walter J. Moore
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Patent number: 4824154Abstract: A security lock for a double-hung sash window assembly which is to be mounted on a stile of one of the sash frames to limit movement of the second sash frame relative to the one sash. The lock includes a casing adapted to be mounted within one of the sash frames, a faceplate of the casing having an opening therein communicating with an interior casing cavity. A tumbler pivots in the cavity and is spring biased to normally project through the opening to engage the second sash. A leaf spring is mounted within the casing cavity normally to bias the tumbler into its locking position, but permitting the tumbler to be retracted into the casing. The lock can be supplied as an assembled unit for installation.Type: GrantFiled: February 10, 1988Date of Patent: April 25, 1989Assignee: Ashland Products CompanyInventor: Harold Simpson
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Patent number: 4742701Abstract: A door for a trailer, container, garage or similar structure carries a vertically movable elongated rod adjacent its free end. A plurality of pins are pivotally mounted on the rod and are adapted to move into locking apertures located on the structure as the rod moves downwardly into its door locking position. The rod can be moved upwardly and downwardly by a manually operable handle which is accessible from the exterior of the door. The door is also provided with a recess within which is located a key lock mechanism for locking the rod in the downward position. The key lock mechanism includes a vertically aligned keyhole which is accessible only through the recess thereby making access to the keyhole by a screw-driver or the like difficult.Type: GrantFiled: June 18, 1987Date of Patent: May 10, 1988Inventor: Donald Scavetto
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Patent number: 4699413Abstract: An auxiliary door latch for use with a door swingably mounted on one side thereof to a side element of a door frame and with the other side of said door being free comprising a first door latching component fixed upon the side element of the frame proximate the free end of the door when the latter is in closed condition; there being a second door latching component suitably mounted upon the door proximate its free end for swingable movement between engaged latch-forming relationship with said first door latching component when the door is in closed condition and disengaged state for permitting door movement.Type: GrantFiled: May 12, 1986Date of Patent: October 13, 1987Inventor: Theodore V. Mueller
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Patent number: 4685710Abstract: A clamping device, utilizing an L-shaped latch member and one or two coil springs inside a housing, so that when the housing is rotated, it carries the bigger spring and the smaller spring (in case two springs are used) and causes the convolutions of one or both springs to feed under a pin which is firmly attached perpendicular into the round stem of the L-shaped latch, inside the housing. By turning the housing relative to this stem of the L-shaped latch, the springs are forced to feed more of their convolutions under the pin of the stem, until all convolutions of one or both springs under the pin are in a solid compressed form, which means that the L-shaped latch has been drawn closer and tight with the base of the housing. This constitutes a useful clamping device to hold two panels together, such as a door to its enclosure.Type: GrantFiled: May 30, 1984Date of Patent: August 11, 1987Inventor: Azmy W. Ghaly
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Patent number: 4664436Abstract: A device is provided for locking the top of a motor vehicle to the windshield frame of the vehicle. The device comprises a locking member arranged at a forward frame section of the top, a mounting provided at the windshield frame, as well as centering members effective between the top and the windshield frame.The locking member comprises a crank connected with an operating unit, this crank being equipped with a locking pin. The locking pin cooperates with a slotted guide track constituting the mounting, in such a manner that the movement of the locking pin within the track of the slotted guide track means results in a reciprocating motion of the frame section of the top. The device is capable of being advantageously employed in a convertible top vehicle.Type: GrantFiled: April 10, 1985Date of Patent: May 12, 1987Assignee: Dr. Ing. H.c.F. Porsche AktiengesellschaftInventor: Wolfgang Eyb
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Patent number: 4643469Abstract: A latch for use with a gate includes a latch body having a planar mounting surface on a rearward side thereof with a pair of space apart flanges which receive a bolt in openings thereto. The bolt is positioned parallel to the surface of the gauge and is slidably and rotatably disposed within the flange openings. An enlargement on one side of the bolt will allow the bolt to pass through one of the flanges when in a predetermined angular position for removal. However an offturned end of the bolt extends rearwardly of the mounting surface, and the bolt enlargement is so oriented such that the bolt is not removable from the latch body when the body is normally attached to the gate.Type: GrantFiled: September 3, 1985Date of Patent: February 17, 1987Assignee: National Manufacturing Co.Inventors: James R. Johnston, Marlin D. Crown
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Patent number: 4635976Abstract: A lock assembly for a horizontal sliding sashless window is provided. The lock assembly comprises a block having anchor means, and pivotal attachment means. The block has a vertical lock surface formed to block the leading edge of the sliding pane when the sliding pane is in closed position, with clearance to permit pivotal movement of the lock surface away from the sliding pane. The pivotal attachment means attaches the block to the sill of the window at a position forwardly offset from the lock surface of the block, and provides for limited vertical movement of the block away from the sill. The anchor means is selectably engageable and releasable by the combination of pivoting the block and by motion away from the sill. The lift and twist motion of the lock assembly does not limit the height of the block or the depth of the anchor means.Type: GrantFiled: February 15, 1984Date of Patent: January 13, 1987Inventor: Jeffrey J. Sigler
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Patent number: 4465328Abstract: A rotatable latch, as for the door of an enclosure, has a positive indication of latching, the indication capable of being felt and heard. A rotatable latch member mounted, for example, on the door, has a radially extending finger which engages with a latch plate mounted on the door frame. The latch plate has an inclined surface up which moves the finger, against a spring bias. At the end of the inclined surface is a detent into which the finger snaps, under the action of the spring bias, when the rotatable latch member is in a fully latched position. The snapping of the finger into the detent can be both felt and heard.Type: GrantFiled: June 21, 1982Date of Patent: August 14, 1984Assignee: Northern Telecom LimitedInventors: George Tihanyi, Zbigniew T. Karwowski
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Patent number: 4438961Abstract: A door latch for latching a swingably mounted door. The latch includes a striker assembly which is operable in a dual capacity. First, the striker assembly is pivotally operable for accomplishing the unlatching action or is arcuately swung in the act of being withdrawn from the keeper socket, thus unlatching the door latch. Second, at least a portion of the striker assembly is rectilinearly operable for accomplishing the latching action as it slidably engages the lip of the keeper socket and is subsequently thrust into the keeper socket as the door continues to be fully closed thus latching the door latch. A shaft extends through the mainbody of the striker for facilitating the unlatchable swinging action thereof and which carries handle or knob structure at either end thereof to further facilitate unlatching and opening the door.Type: GrantFiled: April 23, 1982Date of Patent: March 27, 1984Assignee: Grisham CorporationInventors: C. Lynwood Grisham, Freddie A. Grisham
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Patent number: 4436328Abstract: An improved keyless lock is provided and consists of a helical spring, a rectangular housing, a latch, a latch release, a retaining ring, a rectangular keeper and a plurality of screws. The rectangular housing has a plurality of mounting holes, a recessed central square aperture surrounded by an annular lip on top, a slot in a long side wall and an open bottom. The latch consists of a round portion having a square aperture, a tongue on one side and a corner stop on the other side. The latch release has a finger grip handle and a shaft with the square mating portion. The rectangular keeper has a plurality of mounting holes on top, a pair of slots, each slot is in each long side wall, an open bottom and a tab on the underside of the top of the rectangular keeper between one slot.Type: GrantFiled: February 22, 1982Date of Patent: March 13, 1984Inventor: John E. Chernosky
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Patent number: 4337972Abstract: A safety latch assembly for a circuit breaker panel board. The panel board includes a cabinet in which one or more circuit breakers are mounted behind a panel member, the breakers being operable between ON and OFF positions by an actuating member which in turn is operated by a handle mechanism mounted in the cover of the cabinet. The safety latch assembly includes a movable member operable in response to movement of the actuating member. The movable member has means engaging a portion of the handle mechanism preventing engagement of the actuating member by the handle mechanism, and thus preventing closing of the cabinet cover to which the handle mechanism is mounted, when the actuating member of the breaker is in the OFF position. Means are also provided for engaging the handle mechanism with the actuating member of the breaker in the ON position, preventing disengagement of the handle mechanism and the actuating member and removal of the cover.Type: GrantFiled: October 24, 1979Date of Patent: July 6, 1982Assignee: Killark Electric Manufacturing Co.Inventor: Thomas E. Gill
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Patent number: 4322100Abstract: Improvements in a doorstop mechanism include a swivel bar mounted on a doorjamb to swing between a position in the path of the door to block its opening and a position retracted out of the path of door-opening movement. The stop bar can be held in door-blocking position by engagement of a rib-and-groove latch. The stop bar can be moved into latch-engaged position by swinging of a keeper to move cooperating cylindrical or edgewise cams relatively which movement shifts the stop bar into latched position in opposition to the force of a latch-releasing spring. The improvements include strengthening the doorstop mechanism and adding members to make it more difficult to break down the door by force such as kicking it and modifications to permit parts to be reversed for use with doors which open to the right away from one (right-hand doors) and which open to the left away from one (left-hand doors).Type: GrantFiled: December 3, 1979Date of Patent: March 30, 1982Assignee: Lyall A. McLennanInventors: Lyall A. McLennan, John W. Ganjo, Tom Pomarolli
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Patent number: 4286810Abstract: A manually operable latching device for use in securing a truck door in the open position during the loading and unloading process. The latching device comprises a cantilevered latching plate affixed to a truck trailer door and a pinning assembly secured to the frame of the truck at a location substantially adjacent the plate when the door is in the open position. The pinning assembly comprises a bushing bracket, a U-shaped rod moveably mounted within the bracket, a safety stop plate, and a spring attached to one end of the rod for exerting a compressive force between the rod and the bracket when the rod is moved relative to the bracket. The other end of the rod positively engages the plate to secure the door in the open position.Type: GrantFiled: June 5, 1979Date of Patent: September 1, 1981Inventor: Thomas J. Ehmen
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Patent number: 4244610Abstract: A lock for use in conjunction with a window panel slidably supported in a track of a channel member includes a stop member which is permanently and translatably secured in the track of the channel member. The track includes a generally tubular portion extending the length thereof and the stop member includes a generally U-shaped lower portion, with the distal end of the U-shaped portion slidably disposed in the tubular track portion. The stop member includes a web portion extending upwardly from the U-shaped portion, and a top panel extending orthogonally from the upper end of the web. The stop member may be pivoted about the portion engaged in the tubular part of the track to increase the frictional engagement therewith and prevent translation of the stop member. The top panel of the stop member includes obliquely extending edges which are engaged by the sliding window panel to rotate the stop member into the locked position.Type: GrantFiled: October 29, 1979Date of Patent: January 13, 1981Inventor: Donald Hawkins
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Patent number: 4240403Abstract: A fireplace stove comprising a generally rectangular metallic housing adapted to extend into a fireplace opening, with penetration being limited by a flange around the housing which engages and seals against the face of the fireplace. A metallic inner fire shell is closely spaced within the inner surfaces of the housing to provide airflow passages between them. An air inlet with a blower is located at the lower end of one side of the housing and a narrow, hot air outlet extends across the top. Air is directed to flow almost completely around the fire shell for maximum heating. An air inlet with a blower is located at the lower end of one side of the housing and a narrow, hot air outlet extends across the top. Air is directed to flow almost completely around the fire shell for maximum heating. An access door is held in sealed engagement by a spring latch and a combustion air duct in the door extends into the interior so that the air entering thereto is preheated before actual contact with the fire.Type: GrantFiled: October 20, 1978Date of Patent: December 23, 1980Inventor: Bill B. Bader
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Patent number: 4198082Abstract: A surface bolt which is latched against retraction when in a latching position and requires movement transverse to its length in order to unlatch the bolt for retraction.Type: GrantFiled: June 26, 1978Date of Patent: April 15, 1980Assignee: Leigh Products, Inc.Inventor: William B. Imhoff
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Patent number: 4184212Abstract: Disclosed is a lift-front type hood adapted for use by firefighters which has an improved latching means. The hood comprises a helmet including a bump cap capable of fitting onto the top of the head of a wearer and a rigid liner attached to the bump cap and extending down from the front of the cap so as to be in front of the face of a wearer, the liner having an opening therein so as to allow a wearer to have vision. The hood further includes a shroud of flexible material attached to the exterior of the helmet and extending about the helmet so as to form a generally cylindrical skirt about the head and upper torso of a wearer, the shroud having an opening therein coextensive with the opening in the liner, and a shield plate comprising a sheet of transparent material covering the opening in the liner and shroud and attached to the liner by hinges.Type: GrantFiled: September 5, 1978Date of Patent: January 22, 1980Assignee: Globe Manufacturing Co.Inventor: J. Robert Bowman
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Patent number: 4176869Abstract: Gate latching apparatus is provided for detachably hingedly connecting an end of a tubular animal closure panel member to a relatively fixed support post or the support structure. The panel member includes downwardly protruding hinge pin members at the upper and lower portions thereof which engage in loop brackets provided at the top and bottom of the fixed support structure. To hold the panel member in position, a locking member in the form of a rectangular shaped closed loop is provided which has one side serving as a handle to be operated manually and the other side connected to and guided on a bolt. A spring surrounds the bolt and biases the locking member toward the fixed support structure. The locking member is axially movable and rotatable on the bolt member against the force of the spring between a locking position extending vertically and an unlocking position extending transversely to the vertical.Type: GrantFiled: January 26, 1977Date of Patent: December 4, 1979Assignee: Ag Best CorporationInventor: Carl V. Gilst
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Patent number: 4106239Abstract: A window frame has one or more latches provided internally of a vent sill for pivotal engagement with a latch strike in the interior of a frame sill and a latch actuator extending outwardly through an opening in the inside face of the vent sill. A spring urges the latch into engagement with the strike with the latch and the actuator being movable in a linear horizontal direction so that a slot in the side of the actuator engages the edges of the opening through which the actuator extends to hold the actuator and the associated latch in a locked or non-pivotable condition. A second embodiment employs a similar pivotal and slidable latch member in a side frame of a horizontally movable vent frame which is pivoted into latching position inside an opening in a fixed vertical meeting rail and is retained in locked or non-pivotable condition by subsequent linear vertical movement of the latch to a restricted slot portion from which it cannot pivot from the locking position.Type: GrantFiled: March 15, 1977Date of Patent: August 15, 1978Assignee: Croft Metals, Inc.Inventors: Joseph C. Bancroft, Peter R. Hallin
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Patent number: 4069997Abstract: A waste receptacle cam lock with locking projection is provided to prevent the unauthorized removal of the waste receptacle from the mounting and supporting bracket. The cam lock associated with the primary supporting bracket and rotatably mounted from said bracket is spring biased such that when rotated to the position in which it functions as a cam to lock a secondary bracket as attached to the waste receptacle in the lock position, the spring biasing will effect a longitudinal movement of the cam disc and positively cause a projection extending from an edge thereof to interlock with a portion of the primary support bracket. Thus, the cam lock will be positively locked in closed position until such time as an operator with a proper actuating key positively and forceably moves the cam member with its mounting shaft in a longitudinal direction against the spring bias in order to disengage the projection from the bracket support. Then, and only then, can the cam lock be disengaged from the locking position.Type: GrantFiled: October 7, 1976Date of Patent: January 24, 1978Inventor: Sam Weiss
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Patent number: 4062575Abstract: A gate latch in which a locking bolt is located so as to extend through vertical guides at the opposite ends of a latch body. A keeper is mounted on the latch body at the end thereof distal from the free or latching end of the bolt and an offset portion of the bolt is located so as to be slidable along the keeper. Additionally, the bolt is pivotable about its line of contact with the keeper so that the gate may be latched and unlatched. The keeper is provided with a deformation resembling an S-shaped curve in the horizontal plane to provide obstruction to the free sliding of the bolt and thus prevent inadvertent movement thereof.Type: GrantFiled: December 8, 1975Date of Patent: December 13, 1977Assignee: PTI - DolcoInventor: Milton Robins
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Patent number: 4029349Abstract: Fastening means for a hinged door consists of a locking cam shaped like an elongated hooked finger, swingable about a vertical axis to and from overengaged relation with a keeper pin to secure and release the door. The cam is tapered to reduced vertical thickness toward its free end and is keystone-shaped in cross section. The keeper pin is contained in a keeper housing into and out of which the cam moves. The keeper housing has wall portions with which the cam is engageable if the door is sagged or misaligned, so that due to its tapered form the cam urges the door toward realignment during closing. Due to the cross-sectional shape of the cam, the area of contact between the cam and such wall portions of the housing is limited (theoretically to a point) during movement of the cam to and from the locked position.Type: GrantFiled: March 22, 1976Date of Patent: June 14, 1977Assignee: Fruehauf CorporationInventors: Adam D. Sweda, Donald M. Wilde
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Patent number: 4021063Abstract: A surface bolt adapted to be mounted on an inner or outer surface of a closure member, such as a door or window, the bolt being slidable in guides between positions into and out of engagement with a keeper, the bolt having a recess extending across its outer surface, positioned and dimensioned to be engaged by one of the guides in the locking position of the bolt and to be resiliently and releasably held in such engaged position by a spring housed in the guide.Type: GrantFiled: June 4, 1975Date of Patent: May 3, 1977Assignee: Leigh Products, Inc.Inventor: James T. Porter
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Patent number: 4008585Abstract: A locking cover for the ends of an electric meter retaining ring comprising a housing for assembly over the ends. The housing has an internal bracket with apertures aligned with a side aperture in the housing and positioned to be aligned with apertures in the outturned ends of the retaining ring to receive a locking member.The internal bracket retains the housing in position on the meter ring and prevents axial movement of the locking member and is so positioned that the outer end of the locking member when assembled, is spaced at or inside of the outer surface of the housing wall. A collar is assembled into the side aperture and extends outwardly therefrom. The collar is provided with apertures to allow a seal to be assembled across the collar over the end of the locking member disposed therein so that the seal must be broken to remove the locking member, and will provide evidence of attempts to remove the locking cover.Type: GrantFiled: December 1, 1975Date of Patent: February 22, 1977Assignee: E. J. Brooks CompanyInventor: George A. Lundberg
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Patent number: 3989289Abstract: A generally arcuate camming finger is disposed at each end of a vertical lock rod which is rockable about its axis and which extends above and below the edges of a door of a cargo vehicle body such as an enclosed freight-hauling semi-trailer, or a large container for cargo. The lock rod has a horizontally extending operating handle that locks against the outer surface of the door in the conventional manner. As the door completes its closing movements, each finger enters an opening in a hollow keeper housing secured to the header or sill of the door opening, and when the lock rod is rotated exerts a camming force by engagement with a keeper pin to produce the final movement of the door to closed and locked position. The door has a reinforcing rib which carries one half of an anti-rack mechanism the other half of which is associated with a keeper housing which carries the keeper pin.Type: GrantFiled: April 9, 1975Date of Patent: November 2, 1976Assignee: Fruehauf CorporationInventor: Stephen J. Ringe
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Patent number: RE29162Abstract: A swivel bar is mounted on a door jamb to swing between a position in the path of the door to block its opening and a position retracted out of the path of door-opening movement. The stop bar can be held in door-blocking position by engagement of a rib-and-groove latch. The stop bar can be moved into latch-engaged position by swinging of a keeper to move cooperating cylindrical or edgewise cams relatively which movement shifts the stop bar into latched position in opposition to the force of a latch-releasing spring. .Iadd.Type: GrantFiled: October 23, 1975Date of Patent: March 29, 1977Inventor: Lyall A. McLennan