Patents Represented by Law Firm Shinjyu An Intellectual Property Firm
  • Patent number: 5957259
    Abstract: A clutch cover assembly 3 includes a clutch cover 12, a pressure plate 10, a pin 33, a diaphragm spring 11 and a coil spring 34. The pin 33 extends in an axial direction and its one end is fixed to at least one of the flywheel 1 and the clutch cover 12. The pin 33 also connects with the pressure plate 10 in a manner such that relative rotation between the pressure plate 10 and the clutch cover 12 is restricted but limited axial movement is possible.A diaphragm spring 11, supported by the clutch cover 12, presses the pressure plate 10 toward the flywheel 1. The coil spring 34 is a mechanism which release the pressure plate 10 from the flywheel 1 side, when the diaphragm spring 11 stops pressing the pressure plate 10.
    Type: Grant
    Filed: July 11, 1997
    Date of Patent: September 28, 1999
    Assignee: EXEDY Corporation
    Inventor: Hiroshi Teramae
  • Patent number: 5954585
    Abstract: In one embodiment, a pair of spring seats (32) are used at opposite ends of a small coil spring (6) disposed between a power input rotary member and a power output rotary member. Each spring seat (32) includes a receiving side surface for receiving the small coil spring and a contacting surface (36). The contacting surface (36) is formed with slanting portions with V-shaped cross sections (37, 38) mutually perpendicular. The power input rotary member and the power output rotary member each contact a respective slanting section of one of the slanting portions. In another embodiment, a spring seat (40) is provided with a first support portion (43) and a second support portion (44) such that the orientation of the spring seat (40) determines a phase or orientation of the power input rotary member with respect to the power output rotary member. In a third embodiment, a friction element is formed of resin and includes a friction adjusting element (20).
    Type: Grant
    Filed: July 23, 1996
    Date of Patent: September 21, 1999
    Assignee: EXEDY Corporation
    Inventors: Tamio Nagano, Saburo Nakanishi, Yoshitaka Kitamura, Hideyuki Imanaka, Hiroshi Uehara
  • Patent number: 5956540
    Abstract: An image forming device connected to one or more data processing devices is disclosed, and includes a printer unit, a copying unit, a document transport unit for transporting documents printed in the printer unit to a document mounting unit on the copying unit, and a guide member for moving the printer unit between a first position adjacent to the document mounting unit on the copying unit and a second position separated from the document mounting unit. The data processing device sends print jobs to the printer unit, and if multiple copies are desired, the printed documents are sent to the copying unit by the document transport device and copied.
    Type: Grant
    Filed: May 29, 1997
    Date of Patent: September 21, 1999
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Hideki Takeda, Toshiyuki Osaka, Yoshihiro Ueda, Makoto Okado, Tsutomu Sugaya, Hitoshi Oishi, Tetsuro Kawashima, Yoshiyuki Takeda
  • Patent number: 5950791
    Abstract: in a clutch disk assembly, a pair of power output plates (3) and (4) are disposed on either side of a power input plate (2). The power output plates (3) and (4) arc fixed to a flange (27) of a power output hub (5). A torsion spring (6) is disposed between portions of the power input plate (2) and corresponding portions of the power output plates (3) and (4) such that the torsion spring (6) limits relative rotation between the power input plate (2) and power output plates (3) and (4) within a predetermined angular displacement range. A ring-like plate (33) is disposed between a portion of the power input plate (2) and the power output plate (4). The ring-like plate (33) is formed with a connecting part (36) which extends axially outward through a cutout (24) formed in the power output plate (4). A first friction washer (32) is disposed between a portion of the power input plate (2) and the ring-like plate (33). The first friction washer (32) contacts the power input plate (2).
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: September 14, 1999
    Assignee: Exedy Corporation
    Inventors: Masaaki Asada, Toshiya Kosumi
  • Patent number: 5950749
    Abstract: A vehicle employing a drive source for both running and direction changing, a wheelchair 30 for running primarily on a floor surface 9 has a main body 31, a drive motor 32, three rotary bases 37, 38 and 39, and ball-bearing casters 1. The drive motor 32 is installed in the main body 31. Each of the rotary bases 37, 38 or 39 is driven by the drive motor 32 via drive axles. The ball-bearing casters 1 each include braking means, and are installed on the rotary bases 37, 38 and 39, wherein they ride on the floor surface 9.
    Type: Grant
    Filed: January 22, 1998
    Date of Patent: September 14, 1999
    Assignee: EXEDY Corporation
    Inventor: Akira Inoue
  • Patent number: 5946962
    Abstract: According to the present invention, a turbine shell is manufactured by a method which includes the steps of preparing a planar blank, simultaneously forming a plurality of blade fixture slits 32A, 32B and 32C in the blank 40, and deforming the blank 40 into a curved concave shape by effecting drawing work.
    Type: Grant
    Filed: August 20, 1998
    Date of Patent: September 7, 1999
    Assignee: Exedy Corporation
    Inventors: Toshikazu Fukuda, Toshihiro Nakashima
  • Patent number: 5946827
    Abstract: A snowboard boot is formed with an ankle and heel support. The boot includes a sole portion and an upper portion fixed to the sole portion. The ankle and heel support includes a strap member that is formed with first and second lacing loops and an ankle strap portion which extends between the first and second lacing loops. A first support leg extends downward from the first lacing loop and a second support leg extending downward from the second lacing loop. The first and second support legs are fixed to a lower inside portion of the upper portion proximate the sole portion. The ankle strap portion is configured to wrap around the back side of an ankle portion of a foot above a heel portion of the foot and with the first and second lacing loops laced, the ankle and heel support provides firm engagement between the foot and boot.
    Type: Grant
    Filed: August 3, 1998
    Date of Patent: September 7, 1999
    Assignee: Shimano Inc.
    Inventor: Shinpei Okajima
  • Patent number: 5946845
    Abstract: A fishing rod includes a tubular rod, an inner rod, and fishline guides. The inner rod has a fishline guiding passage therethrough, and is fitted in or detached from the tubular rod. The fishline guides project toward a center axis in the fishline guiding passage, and are fitted in or detached from the tubular rod. When the inner rod and the fishline guides are attached in the tubular rod, fishline is held by the fishline guides within the tubular rod, and it is drawn out or pulled back through an opening at the tip of the rod. When the inside of the rod is to be cleaned, the inner rod and the fishline guides are taken out of the tubular rod, and they are easily cleaned.
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: September 7, 1999
    Assignee: Shimano Inc.
    Inventors: Toshihiko Yasui, Takafumi Harada, Kiyohiko Matsumoto, Nobuyoshi Utsuno, Norio Hamayasu, Isamu Tokuda
  • Patent number: 5943527
    Abstract: A photosensitive drum unit for an electrostatographic printing apparatus is disclosed. The drum unit includes a drum tube formed with at least one opening at one axial end thereof. A flange member is configured to be inserted into the opening in the drum tube. The flange member is provided with a support hole into which a shaft pin is inserted for supporting the drum tube and flange member. An earth plate is formed with projections or claws that extend radially outward from a peripheral edge of the earth plate such that the projections contact with an inner peripheral surface of the drum tube. The earth plate is also formed with a pair of contact pieces extend axially away from the earth plate and also extend toward one another. The contact pieces are spaced apart from one another by a predetermined distance but are also configured to contact and engage a portion of the shaft pin.
    Type: Grant
    Filed: May 21, 1998
    Date of Patent: August 24, 1999
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Nobuyuki Kashiwagi, Keizo Kimoto, Tadashi Sakuma
  • Patent number: 5941354
    Abstract: A lockup damper of a torque converter 1 includes a retaining plate 14, a driven member 10, first coil springs 13A, second coil springs 13B and an intermediate plate 30. The first coil springs 13A are disposed between the retaining plate 14 and the driven plate 10. The second coil springs 13B are disposed between the retaining plate 14 and the first coil springs 13A. The intermediate plate 30 has spring support portions 32 disposed between the first and second coil springs 13A and 13B for circumferentially supporting the first and second coil springs 13A and 13B, and engagement portions 33a, 33b, 34a and 34b engageable with the retaining plate 14 or the driven member 10.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: August 24, 1999
    Assignee: EXEDY Corporation
    Inventors: Hirotaka Fukushima, Hiroshi Mizukami, Mamoru Ohkubo
  • Patent number: 5937984
    Abstract: To provide a separate hub type damper disc assembly in which a force to be applied to engagement projections is reduced in view of the fatigue service life and a weight of a hub is reduced by reducing a size of the hub while maintaining a satisfactory durability of the hub, the damper disc assembly 1 includes a hub 2, a flange 3, first torsion springs 4, a clutch plate 5 and a retaining plate 6. The hub 2 has a plurality of engagement projections 2c and 2d on its outer circumferential portion. The flange 3 is disposed on the outer circumference of the hub 2 and has, in the inner circumferential portion, engagement cutaway portions 3b and receiving cutaway portions 3c. Engagement cutaway portions are engaged with the engagement projections 2c and 2d through a predetermined gap. The first torsion springs 4 are received in spaces defined by the adjacent engagement projections 2d and the receiving cutaway portions 3c. The clutch plate 5 is connected to the flange 3.
    Type: Grant
    Filed: June 19, 1997
    Date of Patent: August 17, 1999
    Assignee: Exedy Corporation
    Inventor: Hiroshi Kimura
  • Patent number: 5937978
    Abstract: A torque converter is provided with both a lock-up clutch and a disengaging clutch for use with a manual transmission. When the disengaging clutch is engaged, torque is transmittable through a torque converter impeller and turbine fluid coupling. When the lock-up clutch is engaged, torque is mechanically transmitted through the lock-up clutch to a manual transmission input shaft. A single control mechanism effects selective engagement and disengagement of both the lock-up clutch and the disengaging clutch. In an alternate embodiment of the present invention, a weight may be engaged and disengaged from various components within the torque converter to change the ratio of a moment of inertia of a power input mechanism and a power output mechanism defined by portions of the torque converter. A lock-up clutch in the alternate embodiment and the weight are also engaged and disengaged by a single control mechanism.
    Type: Grant
    Filed: June 22, 1998
    Date of Patent: August 17, 1999
    Assignee: EXEDY Corporation
    Inventor: Hirotaka Fukushima
  • Patent number: 5937989
    Abstract: In a first embodiment, a friction engagement portion 3 of clutch disk assembly includes a driven plate 20 fixed to a clutch plate 5, a cushioning plate 21, first and second sintered alloy pads 22 and 23, and rivets 32. The cushioning plate 21 has a corrugated form allowing elastic deformation. The first sintered alloy pad 22 is arranged at the cushioning plate 21. The second sintered alloy pad 23 is fixed to the driven plate 20 having an outer peripheral edge bent for fixing the second sintered alloy pad 23. The rivet 32 has an end engaged with the second sintered alloy pad 23, is axially movable, and has the other end for fixing the cushioning plate 21 and the first sintered alloy pad 22. In a second embodiment, a pair of first and second cushioning plates 120 and 121 are opposed to each other at an outer peripheral portion of the clutch disk assembly. Sintered alloy pads 122 and 123 fixed at outer surfaces of the first and second cushioning plates 120 and 121.
    Type: Grant
    Filed: August 6, 1998
    Date of Patent: August 17, 1999
    Assignee: Exedy Corporation
    Inventor: Kazuhiko Yoneda
  • Patent number: 5935008
    Abstract: The flywheel assembly 1 includes a first flywheel 2, a second flywheel 3, first and second drive plates 21 and 22, coil springs 24 and a frictional coupling mechanism 7. The first and second drive plates 21 and 22 are arranged relatively rotatably between the first and second flywheels 2 and 3. The coil springs 24 circumferentially elastically couple the first and second drive plates 21 and 22 to the second flywheel 3. The frictional coupling mechanism 7 is arranged radially outside the coil springs 24 for transmitting a torque between the first and second drive plates 21 and 22 and the first flywheel 2 and is also operable to cause a slide when it receives a torque larger than a predetermined torque.
    Type: Grant
    Filed: August 25, 1997
    Date of Patent: August 10, 1999
    Assignee: EXEDY Corporation
    Inventor: Hiroshi Mizukami
  • Patent number: 5927418
    Abstract: In a pressure accumulating hybrid vehicle, a power switching device (5) is interposed between tires (2) of the vehicle and a hydraulic pump/motor (6). The vehicle includes a drive shaft (10) for transmitting a braking torque from tires (2) to the hydraulic pump/motor (6), and a clutch device (11) provided between the drive shaft (10) and a sub-input portion (22) of the power switching device (5).
    Type: Grant
    Filed: June 6, 1997
    Date of Patent: July 27, 1999
    Assignee: EXEDY Corporation
    Inventor: Yoshihiro Matsuoka
  • Patent number: 5927459
    Abstract: A modular clutch includes a flywheel 2, a clutch cover assembly 3 and a clutch disk assembly 4, which form a single module that in one embodiment is installed directly onto the crankshaft of an engine, and in an alternate embodiment is attached to a flex plate. The modular clutch is configured to be installed and replaced as a unit. The clutch cover assembly 3 has a clutch cover 21, a pressure plate 22 and diaphragm spring 23. The clutch disk assembly 4 has a clutch engagement portion 31 made of a metallic sintered body.
    Type: Grant
    Filed: May 23, 1997
    Date of Patent: July 27, 1999
    Assignee: Exedy Corporation
    Inventors: Koji Kajitani, Hiroshi Takeuchi, Yasunobu Fukatani, Hiroshi Teramae, Masaaki Asada, Takeo Shimizu, Hiroyuki Matsubara
  • Patent number: 5930574
    Abstract: Auxiliary heating roller(s) employed in an electrostatographic fixing station are cleaned at low cost by the efficient use of the reverse side of a disposable cleaning web which conventionally has been discarded after using its one side alone. Cleaning web devices 15 and 16 are installed in top and bottom ends of a fixing station, wherein auxiliary heating rollers 5 and 6 ride respectively on a heating roller 3 and a pressure roller 4 of a fixing roller pair. The cleaning web devices 15 and 16 are configured therein to clean the fixing rollers initially, employing an obverse side A of a cleaning web 21 in the respective devices, which winds around turnaround rollers such that thereafter the reverse side B of the cleaning web 21 is employed to clean the surfaces of the auxiliary heating rollers 5 and 6.
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: July 27, 1999
    Assignee: Mita Industrial Co., Ltd.
    Inventor: Yuichi Segawa
  • Patent number: 5924538
    Abstract: A lever support device for a clutch cover assembly is disclosed, and includes a lever support 16 having a threaded portion 16a at its end portion, a support nut 17 engaged with the threaded portion 16a of the lever support 16 and fitted with the clutch cover 11, a lock plate 18 having an engagement portion 18a engaged with the outer periphery of the support nut 17, at least one oblong mounting aperture 18b in the lock plate 18 which inhibits rotation of the support nut 17, and a fixing member 19 inserted into the mounting aperture 18b in the lock plate 18 with a space 30 for rotation of the lock plate therebetween.
    Type: Grant
    Filed: April 30, 1997
    Date of Patent: July 20, 1999
    Assignee: EXEDY Corporation
    Inventors: Hiroshi Kimura, Yasushi Takehira, Shinichi Noda
  • Patent number: 5918497
    Abstract: A metalworking iterative method of cold-working blanks into configurations having contiguously repeated predetermined forms wherein an advance-worked form functions to locate a succeeding form. A first portion of a blank is squeezed into a predetermined form in a forming position of a press. The predetermined form corresponds to one cycle of the reciprocal undulations of an undulated plate spring. The blank is then shifted in the feed direction of the press by a feed pitch corresponding to one undulation, thereby locating the worked first portion of the blank into a locating position of the press, meanwhile a pitch-length second portion is in the forming position. Accordingly, the accuracy of the succeeding press operation on the second portion in terms of its contiguous position relative to the worked first portion is secured.
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: July 6, 1999
    Assignee: EXEDY Corporation
    Inventor: Kenji Mieda
  • Patent number: 5915511
    Abstract: The drive plate 25 in the lock-up clutch 15 is composed of the ring portion 32 and a plurality of protrusions 33 being positioned around the ring portion 32. The protrusion 33 has the piston connecting part 34 which projects outward in a radial direction from the ring portion 32 and connects with the piston 16 in a manner not to rotate but to move freely in an axial direction. The protrusion 33 also has the coil spring connecting part 35 which project inward in a radial direction from the ring portion 32. There is the opening 36 in the protrusion 33. The side plate 27 is placed at the side of the drive plate 25 and has the first coil spring receptacle 37 at the outer circumferential side corresponding to the coil spring connecting part 35 and has the second coil spring receptacle 39 at the inner circumferential side. The inner circumferential part of the driven plate 26 is fixed to the turbine 3.
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: June 29, 1999
    Assignee: Exedy Corporation
    Inventor: Mitsugu Yamaguchi