Elongated Patents (Class 384/419)
  • Patent number: 10088029
    Abstract: A roller tappet including bearing sleeves is disclosed. The roller tappet includes a housing having a circumferential sidewall with a first sidewall portion including a first bore and a second sidewall portion including a second bore diametrically opposed to the first bore. A roller is positioned at least partially inside the housing between the first sidewall portion and the second sidewall portion. A first bearing sleeve is arranged in the first bore of the housing and a second bearing sleeve arranged in the second bore of the housing. An axle extends through the first bearing sleeve and the second bearing sleeve and through the roller, such that the roller is rotatably mounted on the axle within the housing. Axial ends of the axle are respectively positioned in and rotatable relative to the first bearing sleeve and the second bearing sleeve.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: October 2, 2018
    Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventor: Satyam Singh
  • Patent number: 9415430
    Abstract: A roll stand for rolling metallic strips includes at least one roll or cylinder which is respectively mounted in a mounting on rolling bearings in the region of its end journals, and at least one distributing device for distributing a lubricant-gas flow. The roll stand according to the invention makes it easily possible in an operationally reliable manner to supply a rolling bearing, provided for mounting a roll or cylinder, with a precisely determined amount of lubricant. This is achieved according to the invention in that a connecting channel for the transport of a lubricant-gas flow to or from the distributing device is molded into the roll or cylinder.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: August 16, 2016
    Assignees: SMS Siemag AG, REBS Zentralschmiertechnik GmbH
    Inventors: Alexander A. Rebs, Udo Davids, Ralf Seidel
  • Patent number: 8905908
    Abstract: A lubricant supplying method for supplying a lubricant to a sliding portion between a cylindrical rotatable member for use in an electrophotographic image forming apparatus and a supporting member for slidably supporting an inner peripheral surface at one end side of the rotatable member with respect to a rotational axis direction of the rotatable member, includes a step of engaging the supporting member, including a hollow portion and an opening which communicates with the hollow portion and is provided at a position in which the opening opposes the sliding portion, with the rotatable member at the one end side; and a step of supplying the lubricant from the hollow portion toward the sliding portion through the opening.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: December 9, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Minoru Matsuguma, Jun Miyamoto, Kenji Matsuda, Akira Higeta
  • Patent number: 8881884
    Abstract: A rebuildable conveyor roller includes a hollow, cylindrical roller tube having a first end opposite a second end. The roller tube has a rebuildable conveyor roller bearing assembly provided at the first end and the second end. The rebuildable conveyor roller bearing assembly is affixed to the roller tube such that at least a part of the rebuildable conveyor roller bearing assembly is removable from the roller tube. A hub of the rebuildable conveyor roller bearing assembly has a generally circular shape that is dimensioned to fit inside the internal diameter of the roller tube. The hub has a centrally located hole through which a stub shaft may be inserted. A bearing holder is inserted in an internal cavity provided within the hub for securing the rebuildable conveyor roller bearing assembly to the roller tube.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: November 11, 2014
    Inventor: Michael Richard Kaminski, Jr.
  • Patent number: 8727625
    Abstract: A roller grill bearing assembly that can be adapted to fit on any size roller grill or roller tubes. The bearing assembly substantially increases the bearing land on the roller grill housing and increases the bearing area over the land. The bearing assembly permits the bearing apparatus to be snapped in place on the stamped opening on a sheet metal side panel as done using current manufacturing methods. Further, the bearing assembly can be produced using current manufacturing techniques without significantly changing the cost of production. Most importantly, the invention substantially increases the life span of the bearing.
    Type: Grant
    Filed: April 15, 2012
    Date of Patent: May 20, 2014
    Assignee: Standex International Corporation
    Inventors: James E. Humphrey, Ryan James Coulter
  • Patent number: 8650924
    Abstract: A bearing block assembly for bearing a pair of rollers which enclose a nip, at one end of the pair, includes two bearing blocks, each of which is intended for bearing a respective roller and which are provided with supporting elements for supporting in a frame. The bearing blocks each have a bearing aperture with a center line or axis, support elements via which the bearing blocks are supported next to one another in such that the center lines or axes of the bearing apertures extend parallel and at a distance from one another, as well as adjusting element via which the mutual distance between the center lines or axes can be adjusted. The support elements include a spring structure which is situated between the bearing blocks and cooperates with both bearing blocks and which is elastically deformable during adjustment of the mutual distance between the center lines or axes.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: February 18, 2014
    Inventor: Jean Henry Robert Madern
  • Patent number: 8646984
    Abstract: A roller assembly having a roller tube, a fixed shaft inside the roller tube, a bearing mounted on the shaft, an inner casing mounted on the bearing and rotatable with respect to the shaft, an outer casing fixedly mounted on the shaft, a shield cap mounted on the inner casing, and a seal member mounted between the roller tube, the shield cap and the inner casing for sealing the roller assembly. Facing walls of the inner casing and outer casing define inner cells and a first labyrinth path for reducing migration of contaminants through the inner cells. Facing walls of the outer casing and shield cap define outer cells and a second labyrinth path for reducing migration of contaminants through the outer cells. The facing walls of the outer casing and shield cap are provided with gel for further reducing migration of contaminants through the outer cells.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: February 11, 2014
    Inventor: Jean-Pierre Gagnon
  • Patent number: 8132550
    Abstract: A needle roller bearing (21) as a roller bearing comprises an outer ring (22) formed by connecting a plurality of arc-shaped outer ring members in a circumferential direction, and a plurality of needle rollers (23) arranged along the inner diameter surface of the outer ring (22), and an oil groove (22i) extending in a circumferential direction so as to contain a position opposed to an opening (13e) of an oil path of a housing is formed in the outer diameter surface of the outer ring member.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: March 13, 2012
    Assignees: NTN Corporation, Honda Motor Co., Ltd.
    Inventors: Shinji Oishi, Akihiko Katayama, Yugo Yoshimura, Katsufumi Abe, Hiroki Tsuchiyama, Noriaki Fujii, Tomoya Fujimoto, Keiko Yoshida, Kiminori Komura, Kazuto Abe
  • Publication number: 20100139993
    Abstract: A lobed bushing is provided for a track assembly of a track-type machine. The track assembly includes a first chain and a second chain coupled together with a track pin. A bushing, defining a longitudinal axis, includes a central bore oriented along the longitudinal axis and extending from a first end of the bushing to a second end of the bushing for receiving the track pin. The bushing includes a first lobe positioned at a first location about the longitudinal axis and a second lobe positioned at a second location about the longitudinal axis that is less than about 180° from the first location. The first end of the bushing has a substantially cylindrical shape.
    Type: Application
    Filed: December 3, 2009
    Publication date: June 10, 2010
    Applicant: Caterpillar Inc.
    Inventors: Jason L. Sebright, Mark S. Diekevers, Benoit Abello, Steven Williamson
  • Publication number: 20100012059
    Abstract: A roller bearing includes an outer ring formed by connecting a plurality of arc-shaped outer ring members in a circumferential direction and a plurality of rollers arranged along an inner diameter surface of the outer ring. A slope surface (22i) is provided at one or each circumferential end on an inner diameter surface of the outer ring member (22a), and a contour line of the slope surface (22i) is along a direction perpendicular to a revolution direction of the roller.
    Type: Application
    Filed: August 30, 2007
    Publication date: January 21, 2010
    Inventors: Katsufumi Abe, Hiroki Tsuchiyama, Shinji Oishi, Noriaki Fujii, Tomoya Fujimoto, Keiko Yoshida, Kazuto Abe, Kiminori Komura
  • Patent number: 7632019
    Abstract: A bearing retainer including a flange having a front surface and a rear surface, a hub extending from the front surface and having an exterior surface configured to receive and support a looped extension spring and having an interior forming a bearing pocket, and at least one resilient finger initially extending from the rear surface and having a curve so as to extend toward and beyond the front surface and including at least one retainer tab extending from a surface opposite the hub and positioned on the rear surface side relative to the flange. The resilient finger is configured to be deflectable from a free position toward the hub in response to a deflection force to enable a portion of the resilient finger including the retainer tab to be inserted through an opening in a wall and to substantially return to the free position upon release of the deflection force such that the wall is held between the retainer tab and rear surface, thereby securing the bearing retainer within the opening.
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: December 15, 2009
    Assignee: Carestream Health, Inc.
    Inventor: James R. Gilbertson
  • Publication number: 20080199116
    Abstract: A roller mechanism includes a roller and a support member that supports the rotation shaft. Herein, the support member includes a bearing having an outer ring and inner ring which rotate relatively to each other, and a sleeve that is fittingly fixed to the inner ring, wherein the sleeve and rotation shaft are fitted to each other by clearance fitting and further engaged with each other with respect to a rotation direction.
    Type: Application
    Filed: May 25, 2007
    Publication date: August 21, 2008
    Inventors: Hitoshi Tamura, Masaaki Uchiyama
  • Patent number: 7243784
    Abstract: A roller shaft mount or support secures a shaft end of a conveyor roller at and between opposite sidewalls of a conveyor. The shaft support includes a mounting portion mountable to a sidewall of the conveyor and a clamping portion. The clamping portion is movably attached to the mounting portion and movable relative thereto. The shaft support receives a roller shaft at least partially therethrough. The clamping portion is movable relative to the mounting portion so as to clamp the roller shaft within the shaft support in response to movement of the clamping portion relative to the mounting portion. The clamping portion may move along a ramped surface toward and into engagement with the shaft of the roller in response to adjustment of a fastener to clamp the roller shaft within the shaft support.
    Type: Grant
    Filed: June 23, 2005
    Date of Patent: July 17, 2007
    Assignee: Dematic Corp.
    Inventors: David H Cotter, Ryan D Tasma, Richard E Hoisington, II, Kenneth J Kooistra
  • Patent number: 7025345
    Abstract: A sheet feeder and separator assembly for separating and sequentially feeding individual print media sheets from a stack thereof includes a frame having at least one bearing recess. A removable print media tray is carried by the frame. A separator is connected to the removable print media tray. A pick module assembly is removably connected to the frame adjacent the removable print media tray. The pick module assembly includes a pick roller adjacent the separator to form a nip and at least one flexible bearing is removably received in the at least one bearing recess to removably connect the pick module assembly to the frame.
    Type: Grant
    Filed: January 8, 2004
    Date of Patent: April 11, 2006
    Assignee: Xerox Corporation
    Inventors: Isaac S. Frazier, Jos W. Jacobs, Carl T. Urban, David B. Schaefer
  • Publication number: 20030223663
    Abstract: A guide roller assembly includes a guide roller and a bearing that supports the roller body of the guide roller and is formed as a ring-shaped, segmented slide bearing.
    Type: Application
    Filed: March 18, 2003
    Publication date: December 4, 2003
    Inventor: Klaus Giertz
  • Patent number: 6604859
    Abstract: A bushing has a cylindrical wall with an inner bearing surface configured and dimensioned to surround the journal surface of a roll neck in a rolling mill. The bearing surface has a primary recess into which oil is admitted to serve as a lubricant between the journal and bearing surfaces. The primary recess has a width measured between circumferentially spaced edges, and a length spaced from the ends of the bearing surface by land segments of the bearing surface. Secondary recesses in the land segments have widths that are narrower than the width of the primary recess.
    Type: Grant
    Filed: January 23, 2002
    Date of Patent: August 12, 2003
    Assignee: Morgan Construction Company
    Inventor: Stephen Bonazoli
  • Patent number: 6382837
    Abstract: A device and a method for the holding of a drum in a printer or copier. A star-shaped spring intercepting the differing longitudinal expansions of photoconductor drum and a shaft is arranged between an outer ring bearing the drum and an inner ring.
    Type: Grant
    Filed: May 17, 2000
    Date of Patent: May 7, 2002
    Assignee: Oce Printing Systems GmbH
    Inventors: Otto Olbrich, Peter Thiemannn
  • Patent number: 6332715
    Abstract: The bearing device comprises a bearing 4, a washer 5 and a coupling piece 6 that couples the bearing 4 to the washer 5 and/or separates itself from the washer 5 and the bearing 4 by a pressure force applied thereto, wherein the bearing, the washer and the coupling piece are integrally formed with each other, and the base flap 7 is formed with a projection 7b. Due to this construction, an operator can easily hold the bearing 4 and the washer 5 as one component, and as the coupling piece 6 can be readily removed by the projection 7b, a working efficiency for installing this device can be drastically improved, and the automated mounting operation thereof can also be easily implemented.
    Type: Grant
    Filed: May 19, 2000
    Date of Patent: December 25, 2001
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Takashi Kuzuu, Takao Morimoto
  • Patent number: 6149309
    Abstract: An oil film bearing for a roll neck in a rolling mill, comprising a bearing chock containing a bushing having a lining of babbitt metal. A sleeve is removably received on and rotationally fixed relative to the roll neck. The sleeve is journalled for rotation within and is axially shiftable with respect to the bushing. An abutment protrudes radially from an exposed outboard end of the sleeve for engagement by an outboard end face of the bushing during axial removal of the bearing from the roll neck. The lining of babbitt metal is recessed axially inwardly from the bushing outboard end face by a distance sufficient to prevent it from being damaged by engagement with the radially protruding abutment.
    Type: Grant
    Filed: July 13, 1999
    Date of Patent: November 21, 2000
    Assignee: Morgan Construction Company
    Inventors: Thomas C. Wojtkowski, Jr., Timothy S. Dolan
  • Patent number: 6109792
    Abstract: A combination stack tightener and journal bearing for a shear shredding or material processing apparatus includes a retaining ring fixedly mounted to an end of the shaft; a pressure disk slidingly positioned on the shaft between the retaining ring and the stack of cutter disks or material processing discs; a torque nut positioned on the shaft between the retaining flange and the pressure disk, where the torque nut includes an inner face facing the pressure disk, an outer face opposite the inner face, a central bore receiving the shaft therethrough, a plurality of axially extending threaded bores distributed about the central bore and extending completely through the torque nut, and a plurality of recesses formed into the outer circumferential surface of the torque nut; a plurality of jack screws threaded into the plurality of threaded bores, in through the outer face of the torque nut and out through the inner face, so as to force the pressure disk and torque nut away from one another, thereby securing the to
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: August 29, 2000
    Inventor: Larry E. Koenig
  • Patent number: 6024497
    Abstract: A bushing mountable in a housing for supporting a rotating member and for providing a bias force to the rotating member in a first direction is disclosed. The bushing includes a body defining an aperture therein and a mounting member for mounting the bushing to the housing. The bushing also includes a biasing member operably associated with said body and said mounting member. At least two of said biasing member, said mounting member and said body are integral with each other.
    Type: Grant
    Filed: June 29, 1998
    Date of Patent: February 15, 2000
    Assignee: Xerox Corporation
    Inventor: Bernard Leibman
  • Patent number: 5762753
    Abstract: Method and apparatus for peeling a layer from a laminate utilizing a peel rod about which the layer is guided during peeling. The peel rod is continuously supported along its length by a bearing sleeve having a longitudinal passage receiving the rod and in turn supported in a holder. The bearing sleeve has a longitudinal opening in its wall communicating with its longitudinal passage, and the edge of the opening forms a continuous scraping edge for scraping debris from the rod. A cleaning pad of SCOTCH BRITE material extends radially through the bearing to engage the rod. The peeling rod and bearing are made of low friction material such as a ceramic, and the rod is preferably driven by a motor.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: June 9, 1998
    Inventor: Arthur H. Clough
  • Patent number: 5556499
    Abstract: Method and apparatus for peeling a layer from a laminate utilizing a peel rod about which the layer is guided during peeling. The peel rod is continuously supported along its length by a bearing sleeve having a longitudinal passage receiving the rod and in turn supported in a holder. The bearing sleeve has a longitudinal opening in its wall communicating with its longitudinal passage, and the edge of the opening forms a continuous scraping edge for scraping debris from the rod. A cleaning pad of SCOTCH BRITE material extends radially through the bearing to engage the rod. The peeling rod and bearing are made of low friction material such as a ceramic, and the rod is preferably driven by a motor.
    Type: Grant
    Filed: December 1, 1994
    Date of Patent: September 17, 1996
    Assignee: Polaroid Corporation
    Inventor: Arthur H. Clough
  • Patent number: 5457520
    Abstract: A bearing for supporting a moving member on a support structure. The bearing includes a substantially U-shaped member having an internal periphery and an external periphery. The bearing also includes a first securer, associated with the internal periphery of the U-shaped member, for securing the moving member to the U-shaped member and a second securer, associated with the external periphery of the U-shaped member, for securing the U-shaped member to the support structure.
    Type: Grant
    Filed: July 14, 1994
    Date of Patent: October 10, 1995
    Assignee: Xerox Corporation
    Inventors: Richard P. Schell, Brian E. Gangloff, Bruce C. Reynolds
  • Patent number: 5413036
    Abstract: A roll press with two press rolls which together form a press gap and whose axes are situated in a press plane. A journal is disposed on the ends of each roll, with pillow blocks for receiving the journals, with a rack for supporting the pillow blocks, and with tie rods which are arranged on both sides of the press plane and at least approximately parallel to it. Cradles are provided which support the pillow blocks. Between the cradles and the pillow blocks is an articulated joint which enables the pillow blocks to pivot about an axis which extends perpendicularly to the press plane and essentially in the axial plane of the respective roll.
    Type: Grant
    Filed: December 7, 1993
    Date of Patent: May 9, 1995
    Assignee: J. M. Voith GmbH
    Inventor: Christian Schiel
  • Patent number: 5403099
    Abstract: Roller bearing for a roller in a printing unit of a printing machine having a receptacle for a tang formed on an end of a roller, and a hold-down device movable for respectively locking and releasing the tang on the end of the roller, includes a device for fastening, with spring loading, the receptacle and the hold-down device radially to one another with the roller tang formlockingly received therebetween, the fastening device having a longitudinal axis, and the hold-down device being swivelable, with a force overcoming the spring loading, about the longitudinal axis of the fastening device and away from the roller tang.
    Type: Grant
    Filed: December 23, 1993
    Date of Patent: April 4, 1995
    Assignee: Heidelberger Druckmaschinen AG
    Inventor: Lothar Stein
  • Patent number: 5333516
    Abstract: A drive system for a baler of large cylindrical bales that permits a plurality of transverse driven shafts to be slidably engaged and disengaged for quick and easy assembly and repair of the baler. The transverse driven shafts extend between a pair of spaced apart sidewalls. A gear box for each of the driven shafts is mounted on one of the sidewalls and includes longitudinal drive surfaces. Mating longitudinal drive surfaces are formed on the driven shafts for slidable engagement with and disengagements from the drive surfaces of the associated gear box. A releasable mounting secures the nondriven ends of the shafts at the opposite sidewall.
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: August 2, 1994
    Assignee: Vermeer Manufacturing Company
    Inventors: Wallace L. Edwards, Kenneth R. McMillen, Edward L. Briggs
  • Patent number: 5297875
    Abstract: Head structure for rotatably supporting shafts and the like, including fixed head bodies, each of which defines a seat for the accommodation of bearings which are connected to the shaft to be supported and which defines an axial cavity which rotatably accommodates a pin which can be removably coupled to an end of the shaft so that it rotates rigidly therewith. Each head body has a slider-like portion which can be moved to access the seats in a radial direction.
    Type: Grant
    Filed: March 16, 1993
    Date of Patent: March 29, 1994
    Inventor: Giovanni Gattrugeri
  • Patent number: 5283621
    Abstract: A fixing apparatus comprises a forcibly rotated heat roller, a pressing roller rotated in contact with the heat roller, a roller shaft for supporting the pressing roller, a heater for heating the heat roller, a pair of plain bearings for supporting the roller shaft, and springs for supporting each plain bearing and urging the plain bearing towards the heat roller. According to one mode, each plain bearing has a shaft contact portion having an axial length less than that of the plain bearing. According to another mode, the roller shaft is provided with a bearing contact portion having an axial length less than that of the body of the plain bearing.
    Type: Grant
    Filed: August 29, 1991
    Date of Patent: February 1, 1994
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Hiroshi Hashizume
  • Patent number: 5279498
    Abstract: A bearing journal for a paper guide roller has a blind bore extending inwardly from an axial outer end. The blind bore carries cooperating clamping wedges which are slidable with respect to each other to thereby radially expand an annular clamping area of the bearing journal into engagement with a side wall of the printing press.
    Type: Grant
    Filed: October 26, 1992
    Date of Patent: January 18, 1994
    Assignee: Koenig & Bauer Aktiengesellschaft
    Inventors: Thomas Kubert, Erhard H. Glockner
  • Patent number: 5277078
    Abstract: A vehicle transmission shifter mechanism having a shift lever frame including a roller detent, a shift lever shiftable to a plurality of different shift positions and a feel positioner for providing a feel to a vehicle operator for establishing each of the shift positions is provided with an improvement, the improvement being a leaf spring configured in a U-shaped arrangement at one end to quick connect into a pair of spaced apertures in a plate on the shift lever, and configured at the other end with opposing fingers to snappingly quick connect to a roller for rollingly engaging the roller detent. The roller is biased against the roller detent which generates reactive forces on the one end of the leaf spring causing the one end to be securely retained in the spaced apertures in the plate and causing the roller to be securely retained in the opposing fingers on the other end.
    Type: Grant
    Filed: October 26, 1992
    Date of Patent: January 11, 1994
    Assignee: Grand Haven Stamped Products, Div. of JSJ Corporation
    Inventors: Charles Osborn, Richard L. Meisch
  • Patent number: 5137196
    Abstract: A wrap material spreader roll includes a smooth, cylindrical tube having spiral flights at opposite end portions thereof formed from spirally wound wires of circular cross-section, the wires having respective inner ends defined by a radially inwardly projecting portion which is received in a respective hole provided in the tube. The spreader roll is mounted to opposite support walls by respective bolts having hexagonal heads received in hexagonal bores provided in the inner races of a pair of roller bearings that are pressed into the opposite ends of the tube, the bolts having respective threaded stems received in keyhole-shaped holes provided in the walls and having nuts received thereon.
    Type: Grant
    Filed: June 23, 1989
    Date of Patent: August 11, 1992
    Assignee: Deere & Company
    Inventors: William A. Ardueser, Henry D. Anstey
  • Patent number: 5061087
    Abstract: A bearing apparatus for permitting axial rotational and angular movement of a doctor journal of a papermaking machine, includes a housing which defines a cylindrical bore for the reception therein of the doctor journal. An annular bearing ring defines an inner and an outer surface with the outer surface being cylindrical and having a diameter slightly less than the diameter of the bore such that when the ring is disposed within the bore, axial sliding of the bearing ring within the bore is permitted. A sleeve is disposed within the bearing ring with the sleeve defining an internal channel for supporting the doctor journal. The sleeve also defines an external face which closely conforms to the inner surface of the bearing ring such that angular movement of the sleeve within the bearing ring is permitted while axial movement of the sleeve relative to the bearing ring is inhibited.
    Type: Grant
    Filed: October 15, 1990
    Date of Patent: October 29, 1991
    Assignee: Beloit Corporation
    Inventors: Arnold J. Roerig, John F. Schmaeng, Frank J. Wywialowski
  • Patent number: 4971691
    Abstract: A sludge processor is provided which enables rapid disassembly and reassembly for changing between a sludge thickener configuration and a press configuration, and for enabling rapid disassembly for cleaning in the press configuration. The processor includes a frame with opposite sides and roller-holding bearing devices at the opposite sides for holding rollers about which a belt extends past a sludge dewatering region. The bearing devices can be arranged in a first configuration (FIG. 2) wherein the belt (12A) extends in an even path, and a second configuration (FIG. 1) wherein the belt extends in a tightly convoluted path so it and material thereon is squeezed between adjacent rollers. The bearing devices (50, FIG. 4) are releasably mounted to the frame sides to enable rapid conversion, and to enable rapid removal of the rollers for cleaning the processor when used in the second configuration.
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: November 20, 1990
    Inventors: Donald M. Meylor, Patrick J. Finn
  • Patent number: 4914711
    Abstract: The assembly of a support and a slide carried by the support for translational movement relative thereto in which the support defines a slide opening having opposed end edges and opposed side edges, the side edges diverging from each other proceeding from one of said end edges toward the other of said end edges and defining guide means also so diverging, the slide having a pair of side edge formations complementing the guide formations and being of a length less than the distance between the end edges of the slide opening so that upon movement away from the one end edge of the slide opening, a sliding clearance develops between the edge formations of the slide and the guide formations in the opening.
    Type: Grant
    Filed: May 19, 1983
    Date of Patent: April 3, 1990
    Assignee: Polaroid Corporation
    Inventor: Leon Rubinstein