Solid Stick Patents (Class 184/99)
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Patent number: 11868076Abstract: An example lubricant coating device includes a rotatable applicator to apply lubricant from a solid lubricant source to a member to be coated, and a supporting device to support the solid lubricant source in a contact state with the rotatable applicator. The supporting device changes a supporting angle of the solid lubricant source relative to the rotatable applicator when a consumption of the solid lubricant source reaches a consumption threshold.Type: GrantFiled: May 19, 2021Date of Patent: January 9, 2024Assignee: Hewlett-Packard Development Company, L.P.Inventors: Katsushi Higashida, Takeshi Uchitani, Takayuki Wakai
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Patent number: 11105411Abstract: A solid lubricant-carrying gear which is lubricated by a liquid lubricant communicated to the gear by a primary lubrication system includes a gear body and a solid lubricant body. The gear body is arranged along a rotation axis and has a first surface, an axially opposite second surface, and an outward radial face extending about the rotation axis having gear teeth and lubricant directing features. The solid lubricant body is coupled to the gear body and includes a lubricant which melts at a melting temperature above that of the liquid lubricant to provide secondary lubrication to the gear via the lubricant directing features. Gearboxes, aircraft having transmissions employing solid lubricant-carrying gears, and methods of lubricating gears are also described.Type: GrantFiled: February 28, 2018Date of Patent: August 31, 2021Assignee: Sikorsky Aircraft CorporationInventor: Shane Lewis
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Patent number: 10168657Abstract: A lubricant supply device for supplying lubricant to an image carrier of an image forming device, the lubricant supply device including: a block of solid lubricant; a lubricant supply member scraping lubricant from the block and supplying the lubricant to the image carrier; and a spring applying a biasing force to the block in a second direction inclined with respect to a first direction from the block towards the lubricant supply member, a component of the biasing force in the first direction pushing the block against the lubricant supply member. Positions of the spring and the block relative to each other are such that, as the block decreases due to the scraping by the lubricant supply member, the angle between the biasing force and the first direction decreases and the component of the biasing force in the first direction increases.Type: GrantFiled: March 20, 2017Date of Patent: January 1, 2019Assignee: Konica Minolta, Inc.Inventor: Noritoshi Hagimoto
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Patent number: 9476433Abstract: A rotary actuator includes a piston and rod coaxially disposed in a tube. The piston is configured for lateral displacement along the rod. Moreover, the tube includes an inner circumferential surface with a bearing portion having spherical bearing pockets in rows. Each bearing pockets in the tube includes a mated bearing for engagement with a slant groove body portion on an outer circumferential surface of the piston. The slant groove body portion of the piston includes at least two spiral grooves with a helix direction. The piston further includes an inner circumferential surface with a second spherical bearing pocket portion to engage a spiral groove portion of the axial rod disposed through the piston. As a result, linear motion of the piston engages the axial rod and forces the axial rod to rotate, thereby driving a platform affixed at an end cap of the axial rod to rotate.Type: GrantFiled: March 24, 2014Date of Patent: October 25, 2016Assignee: SH PAC Co., Ltd.Inventor: YoungKyu Jang
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Patent number: 9207625Abstract: A lubricant supply device includes a solid lubricant, a lubricant holder to hold the solid lubricant, a lubricant supply member to supply lubricant to a lubrication target, a pressing member to press the solid lubricant toward the lubricant supply member, and a pressing force adjuster to change an amount of pressing force exerted by the pressing member.Type: GrantFiled: February 27, 2014Date of Patent: December 8, 2015Assignee: RICOH COMPANY, LTD.Inventors: Ryohta Gotoh, Kaoru Yoshino, Satoshi Hatori, Hiromichi Ninomiya, Nobuyuki Taguchi, Yasuhito Kuboshima, Naohiro Kumagai, Shinichi Kawahara, Nobuo Kuwabara, Hideyasu Seki, Yuta Azeyanagi
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Patent number: 9068693Abstract: A lubricant supplying device includes: lubricant; a supplying member that supplies the lubricant to a lubricant supply target; and a remaining amount detecting unit that detects that a remaining amount of the lubricant is equal to or smaller than a certain amount. The remaining amount detecting unit includes a first electrode member and a second electrode member. The lubricant supplying device includes a member that causes at least a part of the second electrode member to move and causes the second electrode member to abut the first electrode member with an increase in consumption of the lubricant.Type: GrantFiled: March 8, 2013Date of Patent: June 30, 2015Assignee: RICOH COMPANY, LIMITEDInventors: Satoshi Hatori, Ryohta Gotoh, Akira Fujimori, Naohiro Kumagai, Kaoru Yoshino, Hideyasu Seki, Nobuyuki Taguchi, Hiromichi Ninomiya, Yuta Azeyanagi, Yasuhito Kuboshima
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Patent number: 8944215Abstract: An applicator assembly for delivery of a pumpable material to a top surface of a rail head includes an applicator body having a plurality of orifices. The body is resiliently yieldable to permit the applicator body to move from a raised position, in which the orifices are located adjacent the top surface of the rail head and open toward the top surface of the rail head for delivery of lubricant directly from the orifices to the top surface of the rail head, to a depressed position in the event the applicator is contacted by a train wheel. The applicator body thereafter returns to the raised position. A metal portion of the applicator body contacts a side surface of the rail head to form a metal-on-metal hard seal extending lengthwise of the rail head for inhibiting leakage of the pumpable material from the top of the rail head.Type: GrantFiled: October 17, 2013Date of Patent: February 3, 2015Assignee: Lincoln Industrial CorporationInventor: Christopher D. Holland
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Patent number: 8923743Abstract: An image forming apparatus configured to apply a necessary amount of a lubricant to an image bearing member while preventing the lubricant from being excessively consumed. An intermediate transfer belt drive motor controlled by a PID controller drives an intermediate transfer belt. A brush rotation controller for controlling an application brush drive motor detects fluctuation in a frictional force between a cleaning blade and the intermediate transfer belt, and controls the application brush drive motor such that an amount of lubricant to be applied is an amount corresponding to the detected fluctuation in the frictional force.Type: GrantFiled: July 10, 2012Date of Patent: December 30, 2014Assignee: Canon Kabushiki KaishaInventor: Takeyuki Suda
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Patent number: 8903298Abstract: Methods and devices provide an electrostatically chargeable surface within a printing apparatus and cause a movable lubricant applicator to contact the electrostatically chargeable surface. The movable lubricant applicator is movable to be in contact with the electrostatically chargeable surface, or out of contact with the electrostatically chargeable surface. Such methods control the movable lubricant applicator to be in intermittent contact with the electrostatically chargeable surface during printing operations of the printing apparatus.Type: GrantFiled: March 15, 2013Date of Patent: December 2, 2014Assignee: Xerox CorporationInventors: Richard A. Klenkler, Sarah J. Vella, Yu Liu
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Patent number: 8639173Abstract: A pressing mechanism that presses a solid lubricant against a brush roller includes two movable members that receive the biasing force of a single biasing unit, rotate around a fulcrum, and press places of the solid lubricant at the symmetric positions with respect to the center of a contact portion of the solid lubricant. The curvature of a portion of a curve shape of the movable member that contacts a casing inner wall is set such that the pressing force in a pressing direction of the solid lubricant in the last stage becomes greater than the pressing force in an intermediate stage, from the initial stage to the last stage after the solid lubricant of the predetermined amount or more is scraped off via the intermediate stage.Type: GrantFiled: March 1, 2011Date of Patent: January 28, 2014Assignee: Ricoh Company, LimitedInventor: Hiroki Matsuura
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Patent number: 8584804Abstract: An applicator assembly for delivery of a pumpable material to a top surface of a rail head of rail includes an applicator body having an orifice for delivery of the pumpable material to the top surface of the rail. The body is resiliently yieldable to permit the applicator body to move from a raised position, in which the orifice is positioned for delivering the pumpable material to the top surface of the rail head, to a depressed position in the event the applicator is contacted by a train wheel. The applicator body thereafter returns to the raised position. The applicator body is mounted for movement between a working position in which the applicator body is closely adjacent the rail head and a rail-service position in which the applicator body is remote from the rail head.Type: GrantFiled: June 18, 2008Date of Patent: November 19, 2013Assignee: Lincoln Industrial CorporationInventor: Christopher D. Holland
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Patent number: 8573362Abstract: An application device and a method of use for the lubrication of a chain drive, more preferably for motorcycle chain drives or the like, includes a rail device. The rail device having a longitudinal side that can be brought to bear against a chain of the chain drive. The rail device includes a contact region formed of a consumable solid lubricant that can be applied to the chain and that can be brought in contact with the chain.Type: GrantFiled: April 9, 2010Date of Patent: November 5, 2013Assignee: Schunk Kohlenstofftechnik GmbHInventors: Michael Nägele, Werner Koch, Mohammad Karimi Tabatabai, Guntram Fleischhauer, Jan Tabellion
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Patent number: 8235177Abstract: A lubricant supply device includes a solid lubricant, a supply member contacting and rubbing the solid lubricant and thereby scraping a lubricant off the solid lubricant and supplying the lubricant to a lubricant supplying target, and a pressing mechanism pressing the solid lubricant against the supply member. The pressing mechanism includes a biasing device, and a plurality of pressing members receiving a biasing force of the biasing device and thereby pressing places of the solid lubricant at symmetrical positions with respect to a center of a contact part of the solid lubricant contacting the supply member, respectively.Type: GrantFiled: August 23, 2006Date of Patent: August 7, 2012Assignee: Ricoh Company, Ltd.Inventors: Shinichi Kawahara, Hiroomi Harada, Teruyuki Kasuga, Takatsugu Fujishiro
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Patent number: 8083469Abstract: A bearing lubrication system for a high temperature bearing, such as in a small gas turbine engine for a UAV, in which the bearing and lubricant requires a long shelf life, where the bearing includes a solid lubricant movable within a chamber formed within a housing and located adjacent to the bearing. The solid lubricant is biased by a spring toward the bearing and abuts against a runner that rotates along with the rotor shaft during engine operation. A cooling air passage opens into a space formed between the bearing and the solid lubricant to supply cooling air through the bearing. When the engine operates, heat is transferred through the runner to the solid lubricant to melt the lubricant. Rubbing of the runner against the biased solid lubricant will also melt the lubricant. The melting lubricant is carried by the cooling air through the bearing to provide both cooling and lubrication for the bearing.Type: GrantFiled: March 20, 2009Date of Patent: December 27, 2011Assignee: Florida Turbine Technologies, Inc.Inventor: Alex Pinera
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Patent number: 7886874Abstract: A lubricator for the wheel flanges of railway vehicle wheels comprises an arm carrying a lubricating pad and a mounting element formed integrally with the arm. The mounting element fits into the entrance of the key slot in the brake beam head beside the brake retainer key. The key head fits in a groove in the top of the mounting element to retain the lubricator in place. When the lubricant is exhausted, the key is partially withdrawn to allow removal of the mounting element and the lubricator is replaced. When partially withdrawn, the key still retains the show on the brake beam head.Type: GrantFiled: July 18, 2005Date of Patent: February 15, 2011Assignee: Pennsy CorporationInventor: Wayne H. Murphy
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Patent number: 7823754Abstract: A saw blade lubricating apparatus has a barrel with an outlet at one end thereof, a drive cooperative with the barrel for extruding wax outwardly of the outlet of the barrel, a dispenser block connected by a conduit to the barrel and having a wax inlet and a wax outlet, and a valve positioned in or on the dispenser block. The valve is selectively movable between a first position allowing wax flow between the wax inlet and the wax outlet and a second position blocking wax flow between the wax inlet and the wax outlet. A saw blade can be positioned adjacent to the wax outlet of the dispenser block.Type: GrantFiled: June 12, 2007Date of Patent: November 2, 2010Inventor: Robert W. Tilley
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Publication number: 20080118285Abstract: A lubricant application device including a solid lubricant, a brush, and a first lubricant scattering prevention member. The solid lubricant is in a non-contact state with a rotating member and provided below a horizontal line of an axis of the rotating member. The brush rotates and contacts both the solid lubricant and the rotating member. The first lubricant scattering prevention member is provided downstream from a first contact position at which the brush contacts the solid lubricant and upstream from a second contact position at which the brush contacts the rotating member in a direction of rotation of the brush.Type: ApplicationFiled: October 3, 2007Publication date: May 22, 2008Inventor: Shinya KARASAWA
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Patent number: 7261223Abstract: A saw blade lubricating apparatus has a barrel with an outlet at one end thereof, a drive cooperative with the barrel for extruding wax outwardly of the outlet of the barrel, a dispenser block connected by a conduit to the barrel and having a wax inlet and a wax outlet, and a valve positioned in or on the dispenser block. The valve is selectively movable between a first position allowing wax flow between the wax inlet and the wax outlet and a second position blocking wax flow between the wax inlet and the wax outlet. A saw blade can be positioned adjacent to the wax outlet of the dispenser block.Type: GrantFiled: January 15, 2004Date of Patent: August 28, 2007Inventor: Robert W. Tilley
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Patent number: 6601676Abstract: A self-lubricating ballscrew has a screwshaft and a ballnut surrounding the screwshaft and provided with a re-circulating path for a plurality of balls which roll between the ballnut and the screwshaft when the ballscrew is in use. Lubrication means are in contact with the helical groove of the screwshaft to provide lubrication therefor. The self-lubricating means comprises a lubricant impregnated solid having an elongate portion which follows the path of and is received in the helical groove of the screwshaft. The cross-section of that portion is different from that of the said groove, so that the contact region between the said portion and the said groove coincides with the lines of contact between the balls and the screwshaft. The deposit of lubricant is thereby concentrated on those lines.Type: GrantFiled: December 20, 2000Date of Patent: August 5, 2003Assignee: Thomson Saginaw Ball Screw Company, LLCInventor: Dennis Frederick Walton
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Patent number: 6216821Abstract: A lubricating apparatus for a ball screw which can sufficiently lubricate even in a high load usage is disposed between a ball nut and a screw shaft, and a polymer member containing a lubricant being mainly in slidable contact with an outer diameter portion of the screw shaft is mounted to at least any one of both ends of the ball nut and a space including a ball not-passing space in an inner portion of the ball nut. The polymer member prevents the lubricant attached to the thread groove of the screw shaft from being scraped off during oscillations of the screw shaft, such that the lubricant attached to the thread groove can be efficiently maintained.Type: GrantFiled: June 25, 1998Date of Patent: April 17, 2001Assignee: NSK Ltd.Inventors: Ken Namimatsu, Osamu Ideta, Kazuo Miyaguchi, Toshikazu Yabe
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Patent number: 6142258Abstract: A solid lubricant tool for applying solid lubricant to the surface of a component is produced by compressing a mixture of powdered solid components under a pressure of at least about 30 kg/mm.sup.2 without application of heat to form unitary conglomerated lubricating element. The powdered solid components and processing are chosen such that the lubricating element has hardness as measured according to the Brinell scale (HB) of less than about 20. Preferred compositions include between about 5% and about 10% powdered graphite, and at least about 10% powdered tin, by weight. The tools may be used interchangeably with machining tools in standard machining equipment.Type: GrantFiled: February 18, 1999Date of Patent: November 7, 2000Assignee: GSTI Surface Technologies Ltd.Inventors: Israel Chepovetsky, Gennady Chepovetsky
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Patent number: 6109394Abstract: An extendable boom for a material handling device includes a first boom section for connection to a support frame, the first boom section having a plurality of first structural members. A second boom section is slidable with respect to the first boom section, for supporting a load to be moved and carried. The second boom section has a plurality of second structural members. Wear pads are positioned between the first and second structural members, the wear pads being a cast polyamide material with oil impregnated therein and subjected to dynamic compressive loading condition characterized by a PV value between 26,400 and 32,000. A method to manufacture the extendable boom is also claimed.Type: GrantFiled: November 17, 1998Date of Patent: August 29, 2000Assignee: Ingersoll-Rand CompanyInventor: John E. Messenger
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Patent number: 6082495Abstract: A scroll-type machine is disclosed which incorporates a lubricant impregnated drive bushing. The lubricant utilized for the impregnation process will preferably be of a type which is insoluble in the fluid being handled by the scroll-type machine, will remain trapped in the pores of the drive bushing under normal operating temperatures as well as any temperatures encountered during manufacturing processes to which the assembled compressor may be subjected yet will wick out of the bushing when its temperature increases such as may occur when insufficient lubricant is being supplied thereto by the normal lubrication system.Type: GrantFiled: February 25, 1998Date of Patent: July 4, 2000Assignee: Copeland CorporationInventors: David L. Steinbarger, Aelred F. Pereira
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Patent number: 5518085Abstract: An assembly for applying a solid material, such as a lubricant or an anti-slip material, to wheels. The system includes a pair of spring actuated members located on opposite ends of a holder for the solid material to urge the holder upwardly along guide pins to force the solid material to contact a wheel as it passes over a rail and the solid material element. The solid material element is held or "pinched" between the wheel flange and the gage face of the rail, thereby applying the material to the wheel which, in turn, transfers the material to the rail surface. The upward motion of the solid material is counteracted by a braking arrangement, including a brake release, so that a wheel passing over the release, releases the braking arrangement to allow the solid material to move upwardly to contact a wheel.Type: GrantFiled: February 21, 1995Date of Patent: May 21, 1996Assignee: Portec - RMP DivisionInventors: Howard M. Houser, Jr., Bruce R. Wise, William T. Urmson, Jr.
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Patent number: 5358072Abstract: A railway vehicle wheel flange lubrication system includes a body mounted integrated supply/drive unit, a gapless delivery hose of low friction, e.g. thermoplastic, material and a truck mounted holder bracket. The supply/drive unit has a box enclosing a lubrication strand dispensing reel, a gearmotor drive unit, a control panel with operating circuitry and a lube out signal. The gearmotor drive uses a preferably nylon housing with an enclosed, preferably arcuate, passage in which a toothed sprocket driven by a stalled gearmotor penetrates and drives a lubricant strand. The bracket is configured for sturdy mounting on an axle bearing adapter to maintain the hose end against the associated wheel flange.Type: GrantFiled: March 5, 1993Date of Patent: October 25, 1994Assignee: General Motors CorporationInventors: James G. Szatkowski, Alexander C. Crosman, III, Jay S. Boggess
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Patent number: 5337860Abstract: A mounting for applying lubrication to the flanges of locomotive truck wheels comprising bearing brackets attached to the journal boxes at either end of an axle and projecting upward therefrom, a hinge plate rotatably attached to the top of each bearing bracket, a floating arm rotatably attached at each of its ends to the top of the hinge plates, and a lubrication stick applicator with lubrication stick attached to each end of the floating arm with the lubrication stick in contact with the flange of each of the wheels on the axle.Type: GrantFiled: April 7, 1993Date of Patent: August 16, 1994Inventors: Robert J. Burke, Paul J. Weber
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Patent number: 5305853Abstract: An apparatus for applying anti-frictional compound such as stick lubricant to a surface to be lubricated, for example a selected area of a railroad car wheel, includes a magazine for retaining a plurality of sticks or rods of the compound; a mechanism for guiding an individual stick or rod and directing it into contact with the surface to be lubricated. The apparatus sequentially draws individual sticks or rods from the magazine and locates each one, in sequence, in the guideway until the magazine is empty. The apparatus applies a constant pressure on the lubricant to the area to be lubricated.Type: GrantFiled: September 18, 1992Date of Patent: April 26, 1994Assignee: Century Lubricants Co.Inventors: Robert C. Ross, Michael B. Myers, William A. Stallings, Harold A. Vaughan
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Patent number: 5290617Abstract: A sliding structure for high load and having high strength as well as sufficient lubricating performance, wherein a solid lubricating material is buried in a sliding surface, an oil reservoir of a predetermined capacity is formed on the reverse of the surface; oil supplying pores extend from the oil reservoir to the sliding surface; and a continuous pore material inserted into the oil supplying pore which provides a limited supply of oil to the sliding surface concerned.Type: GrantFiled: April 10, 1992Date of Patent: March 1, 1994Assignee: Toshiba Kikai Kabushiki KaishaInventors: Zenichi Mochizuki, Akihiko Tsuda, Masaki Shimada
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Patent number: 5251724Abstract: A lubrication applicator presses a block of solid lubricant against the flange of a locomotive wheel. An applicator nozzle loosely fits over the body of the applicator and lightly engages the block of lubricant to bridge the gap between the body and the wheel. The applicator is supported by a main bracket fixed to an unsprung portion of the locomotive truck, such as a journal box or a traction motor, and an adjustable bracket which establishes a good attitude of the applicator and is movable radially of the wheel to accommodate wheels of different diameters. A bracket attached to a journal box fits in a restricted space between the truck frame and the wheel and comprises a plate with upper and lower channels attached to opposite sides to provide strong and light structures subject to minimal inertial loading in a severe vibrational environment. To lessen the inertial forces the brackets angle upward (rather than horizontally) to position the applicator within about 45.degree.Type: GrantFiled: March 16, 1992Date of Patent: October 12, 1993Assignee: General Motors CorporationInventors: James G. Szatkowski, Timothy D. Kohler
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Patent number: 5168767Abstract: A ball screw assembly includes a screw shaft hving a peripheral surface formed with a spiral groove, an outer sleeve fitted onto the screw shaft with a predetermined gap therebetween and a plurality of balls interposed between the screw shaft and the outer sleeve. A ball holder is provided in a radial hole formed in the outer sleeve and a ball is rotatably held in position and in engagement with the spiral groove by the ball holder. A fluid line is formed in the outer sleeve and the ball holder so that a pressuerized fluid may be supplied to establish a fluidic cushion between the ball holder and the ball. Also provided is a plurality of solid lubricants which are preferably arranged alternately with the balls and normally pressed against the spiral groove to keep the groove lubricated at all times.Type: GrantFiled: May 29, 1991Date of Patent: December 8, 1992Assignee: Nippon Thompson Co., Ltd.Inventor: Kunihiko Morita
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Patent number: 5125290Abstract: A device with one or more actuator racks carried by a housing for reciprocation and each meshing with a separate pinion gear having a non-circular central hole in which a complimentary coupling shaft can be removably received for rotation in unison with the gear(s). The pinion gears are carried and journalled for rotation in the housing by a pair of co-axial bushings with generally opposed and spaced apart axially projecting rims received in mating peripheral shoulders in the side faces of the gears. The gear teeth extend generally axially continuously between their side faces with the shoulders in their side edges. Preferably the radial extent of each shoulder is less than the radial extent of the teeth. When the coupling shaft is removed from the gears each pinion can rotate independently of the shaft and each other to initially position its associated rack at a desired location and when the shaft is inserted in the pinion gears they rotate in unison to simultaneously actuate the rack(s).Type: GrantFiled: February 21, 1990Date of Patent: June 30, 1992Assignee: Power Components, Inc.Inventor: Patrick J. Cotter
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Patent number: 5054582Abstract: In the art of using, by frictionally applying, chemical lubricating compounds in stick form to moving objects, and more particularly applying to the moving flanges of vehicle wheels; the improvement in the structure of stick holders to provide ease of adjustment and uniform complete stick application by pressure.Type: GrantFiled: August 10, 1988Date of Patent: October 8, 1991Inventor: Claude Aracil
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Patent number: 4915195Abstract: An apparatus for applying lubricant to a railroad vehicle wheel flange utilizes a solid lubricant material. The block of lubricant is wedge-shaped and mounts to one side of the brake shoe. The lubricant wedges between the wheel flange and the brake shoe. The block of lubricant is secured to a plate that sandwiches between the brake shoe pads and the beam head of the braking system. A cantilevered, resilient loop urges the block into engagement with the flange.Type: GrantFiled: March 11, 1988Date of Patent: April 10, 1990Inventor: Darrell D. Dial
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Patent number: 4619345Abstract: A flexible lubricant applicator for forcibly applying a desired quantity of a lubricant material (such as carbon particles usually of the graphite type, particles of the Teflon type, polytetrafluoroethylene material, or the functional equivalent) to a workpiece surface which is harder than the lubricant material and usually comprising a metallic workpiece surface.Type: GrantFiled: January 22, 1985Date of Patent: October 28, 1986Inventor: Mary Rands
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Patent number: 4607181Abstract: A glandless submersible electrical dynamo operative at high temperatures comprising a casing containing a stator and a rotor and a metal alloy filling the space within the casing. The metal alloy is liquid at the operating temperatures of the pump and is an alloy of bismuth, preferably with lead or tin. The bismuth is present in an amount of between 40-60% and the alloy has the property of substantially no volume change upon solidification.Type: GrantFiled: December 6, 1984Date of Patent: August 19, 1986Assignee: Hayward Tyler Inc.Inventor: Martin K. Smith
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Patent number: 4584893Abstract: A rack and pinion apparatus has lubrication for the rack (14) provided by a split bush (20) of graphite or other solid lubricant. The bush is pressed into contact with the surface of the rack by means of a circumferential spring (22), a sealing lip (23) being provided between the spring (22) and the bush (20) to seal the interior of the apparatus against dust and other foreign matter. The graphite lubricates not only the bearing surfaces (15 and 16) for the rack (14) but also the teeth on the rack and the pinion (11).Type: GrantFiled: March 11, 1983Date of Patent: April 29, 1986Assignee: Harcross Engineering (Barnstaple) Ltd.Inventors: Peter E. Harding, Richard G. Symes
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Patent number: 4519698Abstract: An image forming apparatus comprises a rotatable photosensitive drum driving mechanism for rotating the photosensitive drum; and a cleaning blade which is capable of being in contact with the outer circumferential surface of the photosensitive drum and which removes a residual developer on the outer circumferential surface upon contact therewith.A recess is formed at part of the outer circumferential surface and holds lubricant therein; and the tip end of the cleaning blade feeds the lubricant in the recess to part of the outer circumferential surface of the photosensitive drum which is brought into contact with the cleaning blade to form a thin film of the lubricant upon contacting with the lubricant held in the recess as said photosensitive drum is rotated.Type: GrantFiled: August 25, 1982Date of Patent: May 28, 1985Assignee: Tokyo Shibaura Denki Kabushiki KaishaInventors: Mitsuaki Kohyama, Kenshi Toshimitsu
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Patent number: 4381824Abstract: A lubrication system is disclosed for a rolling cutter drill bit, which system utilizes solid or semi-solid sticks of lubricants located in internal channels and continuously biased against rotating surfaces in the bit.Type: GrantFiled: October 3, 1980Date of Patent: May 3, 1983Assignee: Reed Rock Bit CompanyInventor: Paul E. Pastusek