Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7204166 | Dual clutch assembly for a heavy-duty automotive powertrain A dual friction clutch assembly for a multiple-ratio transmission comprises separate friction disks of the assembly separately connected to each of two torque input shafts for the transmission. Two torque flow paths for the torque input shafts are defined in part by... | 04/17/2007 |
| 7195112 | Clutch cover mechanism A clutch lockout includes posts to receive bolts to retain the lockout to a clutch boss and retaining screw holes to retain lockout fingers mounted on the lockout. At least one indent in each post accommodates the retaining screw holes. ... | 03/27/2007 |
| 7097020 | Throwout bearing lever with dynamic adjustable weight assembly A throwout bearing lever for a centrifugal clutch having a dynamic adjustable weight assembly. The lever comprises a lever having an assembly aperture through the lever and an adjustment screw aperture in communication with the assembly aperture. A threaded adjustme... | 08/29/2006 |
| 7082661 | Centrifugally assisted clutch A friction clutch assembly connects driving and driven shafts and has a pressure plate axially moveable between an engaged position transmitting torque from the driving shaft to the driven shaft and a disengaged position. A cover is mounted on the flywheel and a spr... | 08/01/2006 |
| 7073649 | Friction clutch actuation lever A friction clutch, especially a double clutch, with a clutch housing on which at least one actuation lever is pivotally supported. A connecting member in the form of a pressure lever or an eyebolt is coupled with the actuation lever for actuation of a clutch pressur... | 07/11/2006 |
| 6935479 | Drive apparatus A drive apparatus is provided to transmit force from a source of power to a driven assembly, such as a pump, in an aircraft. The drive apparatus can be operated from a disengaged condition back to an engaged condition when the aircraft is on the ground. The drive ap... | 08/30/2005 |
| 6843355 | Clutch lever locator A clutch is provided that includes a sleeve having a retainer movable along a rotational axis. A clutch member, such as an adjusting ring, is movable along the rotational axis. The clutch member includes a perch spaced from the rotational axis protruding from a surf... | 01/18/2005 |
| 6837821 | Differential The differential includes a differential casing configured to be rotatably driven by a motor under a driving force. The differential includes a differential mechanism which includes a pair of first and second side-gears for distributing a torque of the differential ... | 01/04/2005 |
| 6805228 | Clutch lever with variable lever ratio A plurality of clutch levers transmit force to a pressure plate of a clutch. The lever ratio of the clutch lever is variable as the clutch lever moves from an engaged to a disengaged state. When the clutch is engaged, the clutch lever presses the pressure plate to e... | 10/19/2004 |
| 6799668 | Multi-ratio clutch An improved clutch has a distinct force ratio for holding than it does for release. A distinct ratio is achieved by having an abutment surface between a retainer and a diaphragm spring be positioned radially outward from a contact location between a release sleeve a... | 10/05/2004 |
| 6799667 | Clutch lever taking advantage of centrifugal forces A plurality of specially shaped clutch levers transmit rotation between an engine and a transmission in a clutch. The clutch levers are shaped such that the center of mass is on opposing sides of an axis of the clutch levers when the clutch levers are in the engaged... | 10/05/2004 |
| RE38580 | Clutch operating mechanism A clutch cover 25 is disposed opposite to a pressure surface 26a of a pressure plate 26 and is fixed to a flywheel. The pressure plate 26 has the pressure surface 26a facing a friction surface 15 of a clutch disk. An annular... | 09/14/2004 |
| 6651793 | Power-split transmission with a controllable friction clutch In a power-split transmission for driving a first and a second axle of a motor vehicle, in the case of which transmission are located a first and a second output shaft (3, 4) and a friction clutch (12), the latter is intended to transmit a controllable to... | 11/25/2003 |
| 6394254 | Clutch with high lever ratio A friction clutch for connecting driving and driven shafts. The clutch includes a pressure plate adapted for operative attachment to the driven shaft for rotation therewith and for selectively clamping a friction disk in engagement against a flywheel of t... | 05/28/2002 |
| 6378680 | Disengagement unit clutch pressure plate and actuating mechanism for a disengagement unit A clutch having narrow housing and including a disengagement unit for a clutch pressure plate with a device for applying an essentially radially directed force onto the pressure plate, and wherein the device is driven in a radial direction.... | 04/30/2002 |
| 6152276 | Actuation mechanism for a clutch pressure plate with axial effect and disengagement unit for a motor vehicle clutch A clutch with an axially-effective clutch pressure plate can be made particularly narrow if an actuating element for the clutch pressure plate features a device which is essentially radially driven. This design is for the application of an essentially axi... | 11/28/2000 |
| 6006883 | Friction clutch A friction clutch with at least one flywheel mass and a clutch housing with which there is associated a pressing arrangement for a pressing plate which is provided for the action of pressure on one side of a clutch disk the opposite side of which is suppo... | 12/28/1999 |
| 5979629 | Clutch pressing assembly The pull-type clutch 1 basically includes a clutch disc assembly 4, a clutch cover assembly 5, a cylindrical or tubular member 21 and a release mechanism 6. The pull-type clutch 1 is designed to restrain the rotational engagement between the release mecha... | 11/09/1999 |
| 5924538 | Lever support device for clutch cover assembly 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 co... | 07/20/1999 |
| 5857549 | Torque transmitting device with a lever apply spring A torque transmitter has a plurality of friction plates alternately splined at the inner and outer peripheries. The plates are urged into frictional engagement by a piston and a lever spring to accommodate torque transmission between the splined component... | 01/12/1999 |
| 5833041 | Clutch operating mechanism A clutch cover 25 is disposed opposite to a pressure surface 26a of a pressure plate 26 and is fixed to a flywheel. The pressure plate 26 has the pressure surface 26a facing a friction surface 15 of a clutch disk. An annular lever plate 28 is supported at... | 11/10/1998 |
| 5785163 | Clutch cover assembly A centrifugal clutch cover assembly for use in a clutch as a reaction surface in selective actuation of a pressure ring to clamp one or more discs mounted on a drive shaft for conjoint rotation therewith between the pressure ring and a flywheel of an engi... | 07/28/1998 |
| 5678669 | Friction clutch unit The friction clutch unit described has two clutches, of which the second is normally disengaged. Each clutch comprises a clutch disc disposed coaxially between a pressure plate and a friction surface, the arrangement being such that the first and second p... | 10/21/1997 |
| 5593015 | Pull-type clutch pressure plate actuating mechanism providing reduced-force disengagement A clutch cover assembly 5 includes a clutch cover 14, a main pressure plate 15, a retaining collar 20, a diaphragm spring 21, a cone spring 16, and an intermediary lever 26. The diaphragm spring 21 presses the retaining collar 20 toward the flywheel 2. Th... | 01/14/1997 |
| 5373927 | Clutch release assembly A clutch engaging assembly includes a sleeve member positioned circumferentially about a drive shaft, wherein the sleeve member includes a radially outwardly extending circumferential flange. A spring collector is positioned circumferentially about the sl... | 12/20/1994 |
| 5267433 | Air turbine starter having a dual clutch This invention relates to a clutch mechanism for selective power transmission between starter means and an engine. More particularly, the invention discloses a dual clutch mechanism for use in selectively coupling a turbine driven starter assembly with a ... | 12/07/1993 |
| 5139126 | Control device for a clutch, in particular for an automotive vehicle A clutch control device comprises a rotatable driving member to which one end of a traction cable is circumferentially attached, the traction cable having a coupling piece at its other end. The control device also includes a sleeve member which is in tele... | 08/18/1992 |
| 5103953 | Hydraulic clutch construction A hydraulic clutch (40) for u se in an automotive automatic transmission includes a clutch drum (41) having a hydraulic pressure chamber (43), a piston (42) movably fitted in the clutch drum (41) in covering relation to the hydraulic pressure chamber (43)... | 04/14/1992 |
| 5010992 | Axially operating positioning element, particularly for a friction clutch structure To prevent torsion and bending forces from being applied to an operating ring disk system pressing together interdigited elements of a ring disk clutch, and to permit placement of ring disk portions close to each other for maximum engagement force being a... | 04/30/1991 |
| 4993533 | Manual connect-disconnect operator Difficulty in achieving the disconnection of two relatively rotatable elements (14) and (30) is avoided in a simple manual connect-disconnect operator which includes a coupling shaft (42) for interconnecting the rotary members (14), (30) and a translatabl... | 02/19/1991 |
| 4951553 | Friction clutch for transmission A friction clutch for a transmission is provided. The clutch includes release levers disposed between a release bearing and a diaphragm spring. The diaphragm spring provides pressure to a pressure plate which is required to hold a clutch disc against a fl... | 08/28/1990 |
| 4946017 | Angled release clutch system An angled release clutch system provides a low bearing load at a relative constant pressure plate load throughout the life of either a pull-type or a push-type clutch. In a preferred form, the angled release clutch system includes an inverse Belleville sp... | 08/07/1990 |
| 4936432 | Internal assisted clutch components and assembly A clutch cover assembly includes a cover which is formed as a one piece casting. A plurality of engagement spring seats and a plurality of assister spring seats are provided on the cover. The engagement and assister spring seats are all formed integrally ... | 06/26/1990 |
| 4905811 | Clutch cover assembly A clutch cover assembly, in which a radially inner side spring force action point (an inside projection 44, for example) of a lever 40 is provided at a position radially inward from an outer peripheral edge 33 of a diaphragm spring 30. A radially outer si... | 03/06/1990 |
| 4905809 | Clutch cover assembly A clutch cover assembly, in which a radially inner side spring force action point (an inside projection 44, for example) of a lever 40 is provided at a position radially outer than wire rings 34 supporting a diaphragm spring 30, a radially outer side spri... | 03/06/1990 |
| 4895235 | Clutch A pull-type clutch for connecting a flywheel to a transmission and having clutch discs spline fitted onto an input shaft of the transmission, a sleeve on the outer periphery of the input shaft, a release bearing fastened to the transmission end of the sle... | 01/23/1990 |
| 4890708 | Clutch having an adjustable lever mating with a diaphragm spring This invention relates to a pull-type clutch carrying out a releasing operation by pulling a release bearing (26) away from a flywheel (10) by means of a release lever (27) interconnected to a clutch pedal, in which a spherical surface (30) is provided on... | 01/02/1990 |
| 4871050 | Clutch arrangement In a pulled-type clutch arrangement, for the release of the clutch, release levers are provided which are connected in their radially outer region with the clutch cover and in a radially middle region articulatedly with the thrust plate. On the abutment f... | 10/03/1989 |
| 4863004 | Spring clutch assembly A clutch assembly having an annular cover member attached to an engine flywheel, an annular pressure plate which is floatingly attached to the cover member by a plurality of drive straps, a friction drive assembly which is splined to a transmission shaft ... | 09/05/1989 |
| 4856634 | Clutch A pull-type clutch which is released by pulling a release bearing toward the transmission with a releasing lever connected to a clutch pedal, includes clutch discs which are spline fitted onto an input shaft of a transmission. A sleeve part of a releasing... | 08/15/1989 |
