Clutches and power-stop control inventions 02/07

20070039795 - Ratchet tool having increased driving torque: A ratchet tool includes a barrel rotatably engaged into a cartridge and having a gear, two pawls slidably received in the cartridge and each having a base plane and a side plane and two or more teeth biased to engage with the gear of the barrel, and a control ferrule... Agent: Charles E. Baxley, Esq.

20070039796 - Clutch device: A clutch device has a housing connected to a drive; a takeoff, which is mounted with freedom of rotation in the circumferential direction relative to the housing; and at least one friction clutch, which is mounted in the housing and which can be shifted between an engaged position and a... Agent: Cohen, Pontani, Lieberman & Pavane

20070039797 - Pressure relief valve actuator for hydraulic torque coupling actuator: A hydraulically actuated torque coupling assembly that has an actuator plate mechanism integrated within the pressure relief valve assembly. The actuator plate includes a valve closure member and two alignment pins. The valve closure member is disposed adjacent to a valve seat on the face of the torque coupling assembly.... Agent: Berenato, White & Stavish, LLC

20070039798 - Parking brake apparatus for automatic transmission vehicle and method for controlling operation thereof: A parking brake apparatus for an automatic transmission vehicle in one embodiment includes a parking shaft connected to a shift lever, a cam plate secured to the parking shaft, a parking rod assembly operated when the cam plate secured to the parking shaft rotates through manipulation of the shift lever,... Agent: Morgan, Lewis & Bockius LLP (sf)

20070034469 - High cooling efficiency and durable tcc for constant slip application: A torque converter clutch for a constant slip application including a cover, a friction plate secured to the cover, and at least one channel between the cover and the friction plate. In another embodiment, the torque converter clutch may further include a one-way valve operatively arranged to permit a fluid... Agent: Simpson & Simpson, PLLC

20070034470 - Overrunning clutch having snap ring secured thrust plate: An overrunning clutch (24) has first and second clutch members (30, 32) having coupling faces (34) and (36) between which spring biased pivotal struts (40) and locking formations (44) cooperate to prevent relative rotation in only one direction. A snap ring (48) and thrust plate (50) cooperate to axially secure... Agent: Brooks Kushman P.C.

20070034471 - Drive force transmission device: A drive force transmission device includes a first direction one-way clutch, a second direction one-way clutch, a second direction rotation transmission clutch, a cam mechanism and a regulating member. The first direction one-way clutch and the second direction one-way clutch are arranged to connect first and second force transmission paths... Agent: GlobalIPCounselors, LLP

20070034472 - Clutch, particularly for motorcycles: A clutch for vehicles comprises a driving member (10) and a driven member (22) coaxial to the driving member, with a pack of clutch plates between them which are alternatively connected to the driving member and to the driven member, a pressure member (38) engaged by elastic means (44) to... Agent: Modiano & Associati

20070034473 - Overload clutch: An overload clutch is described, having two clutch bodies (11, 12), one of which is mounted rotationally fixed and the other of which is mounted so it is rotatable on a clutch carrier (3), and which may be coupled in the axial direction, of which the axially displaceably mounted clutch... Agent: William Collard Collard & Roe, P.C.

20070034474 - Wheel hub with clutch: A wheel hub with clutch where power is transferred through a drive, such as a chain that is linked between a peddle arrangement and a gear or gears splined onto the hub. The hub provides free-wheeling when torque is not applied thereto and will instantly engage, transferring an applied torque... Agent: The Maclean Fogg Company C/o Dana Alden

20070034475 - Electronically-controlled hydraulically-actuated coupling: A power transmission device includes a friction clutch operable to selectively transfer torque between an input member and an output member. An actuator is operable to provide an actuating force to the friction clutch. The actuator includes an electric motor having an output shaft drivingly coupled to a gerotor. The... Agent: Harness, Dickey & Pierce, P.L.C

20070034476 - Clutch assembly: A clutch assembly for use in a transmission of a motor vehicle is provided including, a stationary frame, a non-rotating apply piston mounted with the frame, a clutch hub torsionally connected with a portion of a friction pack, a clutch housing torsionally connected with another portion of a friction pack,... Agent: Patent Docket Administrator Borgwarner Inc.

20070023247 - Magnetorheological fluid device: A device employing a magnetorheological (MR) fluid in combination with a stator and a rotor is disclosed, where the stator includes a magnetic field generator. The rotor has a rotational axis and a rotational degree of freedom with respect to the stator. The stator and rotor define an annular space... Agent: Kathryn A Marra General Motors Corporation

20070023248 - Clutch assembly: A clutch assembly that includes an input member rotatable about an axis, an output member rotatable about the axis, and an engagement member having a portion between the input and output members. The engagement member is operable to selectively couple the input and output members together for co-rotation. The clutch... Agent: Michael Best & Friedrich, LLP

20070023249 - All-wheel transmission system: An all-wheel transmission system includes an input shaft, a first output shaft and two mutually independently controllable friction clutches for the metering the transfer of drive torque from a powertrain to a first axle assembly and a second axle assembly. The first friction clutch includes a first clutch component rotationally... Agent: Harness, Dickey & Pierce, P.L.C

20070023250 - Clutches: A clutch includes two rotary shafts, one of which (2) is connected to one or more first clutch plates (8) which cooperate with a second set of clutch plates (10), the clutch plates being acted on by an actuating piston (12) having a portion exposed on two opposite sides to... Agent: Reed Smith, LLP Attn: Patent Records Department

20070023251 - Electromagnetically operated friction disk clutch and rotor for a clutch of this type: The invention proposes a rotor for a two-stage electromagnetically operated friction disk clutch which comprises two electromagnets and armature means which can be brought into contact with the rotor and are composed of a magnetically permeable material. According to the invention, there is no axial web, or at least no... Agent: Burr & Brown

20070023252 - Power-operated clutch actuator for torque couplings: A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a second rotary member. The torque transfer mechanism includes a power-operated face gear clutch actuator for generating and applying a... Agent: Harness, Dickey & Pierce, P.L.C

20070023253 - Friction clutch assembly having a spiral snap ring friction liner retention device: A friction clutch assembly for use in an on/off fan drive is provided having a simplified method for retention of the friction liner between the clutch housing and rotating drive shaft. The friction clutch assembly introduces a groove within the inner rearward portion of the clutch housing. A spiral snap... Agent: Steven W. Hays Borgwarner Inc.

20070023254 - Motor vehicle clutch linkage lubrication: Several distinct motor vehicle clutch fork and release bearing lubrication arrangements which may be utilized singly or in various combinations include: oil impregnated inserts, self-lubricating pockets, single or multiple central grease fittings in communication with passageways that provide grease to contact and bearing surfaces and sealed boots filled with lubricant... Agent: Brinks Hofer Gilson & Lione