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| Number | Title | Issue Date |
| 7837019 | Clutch device for a seat lifting apparatus of a vehicle A clutch device for a seat lifting apparatus of a vehicle includes a friction brake portion for transmitting rotation of an operational lever to an output shaft, an output gear provided at the output shaft, a biasing force receiving portion provided at the output sh... | 11/23/2010 |
| 7341134 | Clutch and brake unit A clutch and/or brake unit is described with at least three components that can rotate relative to each other, each of which is connected, fixed against rotation, with at least one disk. The disks can selectively be brought into frictional engagement, friction locke... | 03/11/2008 |
| 7311184 | Clutch/brake assembly with electrical generation system A clutch assembly includes a rotatable input shaft, a clutch housing fixed relative to the input shaft, an input disk coupled to with the input shaft and rotatable therewith, and an output disk axially movable relative to the clutch housing to selectively engage the... | 12/25/2007 |
| 7284745 | Portable raising and lowering device and equipment therefor A raising and lowering device, particularly suitable for incapacitated human or animal patients. The device includes a load carrying support having at least one elongated arm including a proximal end section and distal end section. The arm is pivotable on the device... | 10/23/2007 |
| 7111715 | Centrifugal type clutch brake device Disclosed is a centrifugal type clutch brake device in which a ring-like drive disc is caused to move vertically in synchronism with the engagement/disengagement of a centrifugal clutch to thereby engage/disengage the brake, thus attaining a simplification in struct... | 09/26/2006 |
| 7093702 | Electrically opening and closing mechanism If only an operating button 14 is pushed, an electrically opening and closing mechanism 1 disengages a first clutch K1 while engaging a second clutch K2 to operate an electrically driving means 2 to automatically open or close a se... | 08/22/2006 |
| 7028822 | Integrated actuator assembly An actuator assembly adapted to selectively cause an input disk of a clutch/brake assembly to engage an output disk of a clutch/brake assembly. The actuator assembly includes a movable piston integrated with the clutch/brake assembly. At least a portion of the clutc... | 04/18/2006 |
| 7017723 | Electromagnetic clutch and rotation transmission device The magnetic attraction force of an electromagnetic coil in an electromagnetic clutch is increased in a limited installation space, thereby improving reliability of operation. The dimensions of a field core housing the electromagnetic coil and a rotor are optimized ... | 03/28/2006 |
| 6993997 | Ratchet wrench A ratchet wrench including a housing with a handle extending therefrom. A rotor is positioned within an opening in the housing. The rotor includes a crosspiece having a polygonal cross-section and a downwardly extending stem for the selective attachment of a socket.... | 02/07/2006 |
| 6971719 | Clutch actuator surface apparatus and method A clutch actuator has a housing with a load bearing element disposed within it. A force application element disposed within the housing applies force to the load bearing element. A stop assembly includes a retaining stopper between the load bearing element and the f... | 12/06/2005 |
| 6966545 | Chain block A chain block with a drive motor (2) with a motor shaft (11), which is connected at the take-off side via a slip clutch (50) to a transmission input shaft (14), having a first gear (18a) and mounted in a housing (1) b... | 11/22/2005 |
| 6964409 | Chain block A chain block with a drive motor (2) and with a transmission (3), connected to the drive motor (2) at the take-off side, with a transmission output shaft (4), on which a chain wheel (5) is rigidly arranged for pulling a chain. In o... | 11/15/2005 |
| 6957596 | Apparatus and method for braking ergonomic support actuator A braking actuator for an ergonomic support is connected thereto by a Bowden cable. The actuator has a housing with pin slots, friction surfaces and a mount for a disk axle. A disk has frictional surfaces, holes with pin load edges, a Bowden cable wire seat that hol... | 10/25/2005 |
| 6837817 | Vehicle front and rear wheels drive system and clutch changeover method Changeover clutch discs for a direct coupling clutch and a change-speed clutch, respectively, are disposed in two stages in a radial direction across a movable element which can move in axial directions of an input shaft. A carrier and the movable element are brough... | 01/04/2005 |
| 6790152 | Vehicle front and rear wheels drive system and clutch changeover method Changeover clutch discs for a direct coupling clutch and a change-speed clutch, respectively, are disposed in two stages in a radial direction across a movable element which can move in axial directions of an input shaft. A carrier and the movable element are brough... | 09/14/2004 |
| 6769527 | Stop clutch assembly A stop clutch assembly comprises a shaft fixed for receiving a driving torque. A clutch disk is rotatably disposed about the shaft and is axially slidable thereon. A drive collar rotates the clutch disk through a clutch ball lodged in a biconical clutch cavity forme... | 08/03/2004 |
| 6619452 | Housing for a hand brake mechanism A hand brake front housing for a railroad car hand brake mechanism. Such hand brake front housing comprising a front casing for enclosing pre-selected portions of a hand brake mechanism. The front casing having a front wall of a predetermined size and sha... | 09/16/2003 |
| 6609436 | Vehicle brake pedal apparatus A vehicle brake pedal has first and second master cylinders and the first pedal arm removably attached to the vehicle having a brake pedal foot pad movably attached thereto. A second brake pedal arm is operatively coupled to the first master cylinder and ... | 08/26/2003 |
| 6540049 | Gradual release mechanism for a railway car hand brake A gradual release mechanism for use in a hand brake device engageable with a railway car. Such gradual release mechanism comprising an operating shaft for rotation about an axis extending longitudinally of the shaft. A clutch flange portion disposed inter... | 04/01/2003 |
| 6488133 | Clutch system and method A soft action clutch uses a helical spring attached to a pulley at one end and free at the other end. In a relaxed state, preferably, the helical spring presses outwardly pushing a brake pad assembly against a fixed outer field cup braking the pulley. To ... | 12/03/2002 |
| 6422364 | Press drive with oil shear clutch/brake units A drive unit for a press uses an oil shear brake and an oil shear clutch which are located axially along the output member of the drive unit. A multiple piece piston moves between a brake applied/clutch disengaged position to a brake released/clutch engag... | 07/23/2002 |
| 6015032 | Drive with self-actuating clutch and brake A drive mechanism (20, 120) includes a driving rotary member (22, 122), a driven rotary member (24, 124), and a clutch (26, 126) operatively coupled between the driving member and the driven member and responsive to rotation of the driving member to autom... | 01/18/2000 |
| 5529157 | Combination brake and clutch assembly for electric motors A brake and clutch assembly mounted on an electric motor's drive shaft comprises, in succession and outwardly from the motor, a brake pad, a drive disk, a clutch plate, a pulley, a compression spring and an end cap. The drive disk includes a sleeve with t... | 06/25/1996 |
| 5392887 | Bi-directional tapered roller clutch A relatively light duty cone type clutch suitable for use in window blind or shade mechanisms is disclosed. As contrasted with conventional cone type clutches, the disclosed embodiment includes a plurality of radially arranged conically shaped rollers whi... | 02/28/1995 |
| 5127283 | Handbrake mechanism for railway cars A railway car brake mechanism is comprised of a hand wheel on a shaft and a housing with a rotatable gear wheel and square chain winding disposed within. A ratchet wheel rotatable with the hand wheel shaft and a freely rotatable pinion which engages the g... | 07/07/1992 |
| 4867058 | Document transport and printing apparatus A document transport and printing apparatus which utilizes an associated clutch for use in printing and endorsing documents like checks at a printing station in the apparatus. The apparatus utilizes a single input shaft as an input member for the clutch a... | 09/19/1989 |
| 4842110 | Document transport and printing apparatus and associated clutch A document transport and printing apparatus which utilizes an associated clutch for use in printing and endorsing documents like checks at a printing station in the apparatus. The apparatus utilizes a single input shaft as an input member for the clutch a... | 06/27/1989 |
| 4817771 | Spring clutch with engageable first and second helical clutch springs A spring clutch includes a driving hub attached to a drive shaft, a driven hub to which a mass to be rotated is attached, and first and second helical clutch springs which are engageable to interconnect the driving hub and the driven hub, the first helica... | 04/04/1989 |
| 4605111 | Hoist A hoist includes a shaft driven by external force, a driving shaft connected to the shaft, a reduction gear train for transmitting rotation of the driving shaft to a load sheave, a mechanical brake assembly in the reduction gear train, and an overload saf... | 08/12/1986 |
| 4579201 | Bidirectional, torque-limiting, no-back clutch mechanism The bidirectional, torque-limiting, drive and brake mechanism has an input and output drive shafts and a helical spring which is normally in interference fit with the mechanism housing and, in the torque transmitting mode of operation, is disengaged to pe... | 04/01/1986 |
| 4346749 | Motor and roller support for window shades and the like A motor and roller support includes a reversible lock clutch mechanism having a housing including an annular portion having a plurality of alternately deep and shallow recesses and a spindle axially received in the housing and having at least one flexible... | 08/31/1982 |
| 4333303 | Clutch and brake mechanism A clutch and brake mechanism for a rotary type lawn mower or the like in which a brake plate (28) is movable away and toward friction elements (27) to engage the same, which friction elements (27) are also engageable by a clutch plate (16), the surfaces o... | 06/08/1982 |
| 4325470 | Hoist overload clutch A ratchet lever hoist (10) which includes an overload clutch (19) enclosed within the hoist handwheel (16). The handwheel is driven through a spline connection with the input drive hub (24) of the hoist, and carries a plurality of first clutch disks 94. S... | 04/20/1982 |
| 4251060 | Hand hoist A hand hoist comprises a brake support member (1) for supporting brake plates (24, 25) and firmly mounted on a driving shaft (20) detachably connected through gears to a load pulley (32). A brake biasing member (2) is threadedly engaged on the brake suppo... | 02/17/1981 |
| 4156521 | Hoist with load brake having release mechanism therefor A hoist of the type including a Weston-type load brake actuated by relative rotary movement between a pair of input drive members and having a control mechanism actuated by plunger carried within the hoist to allow or prevent axial movement of the input d... | 05/29/1979 |
| 4128154 | Positive engagement clutch with soft engagement motion To place a driven shaft in accurate angular alignment with respect to a continuously rotating driving shaft or, selectively, with respect to a fixed reference, the fixed reference is formed as a housing, the driving shaft has a disk with a cam track attac... | 12/05/1978 |
| 4050320 | Transmission mechanisms A windscreen wiper transmission mechanism comprises a driving wheel with a shaft eccentrically positioned on the wheel. A connecting link for connecting the mechanism to a member for driving a corresponding wiper blade, an eccentric bearing and a rotor ar... | 09/27/1977 |
| 3998430 | Hand brake for railroad cars A hand brake for railroad cars comprising a housing including a front casing and a rear or back plate, between which an operating shaft is journaled (that bears the usual vertical hand wheel), and within which is mounted the brake drum in concentric relat... | 12/21/1976 |
| 3986588 | Brake-clutch assembly for a winch An automobile mounted winch having a clutch-brake assembly comprising a disc shaped ratchet plate positioned between two friction shoes, acting as a clutch in one direction and a speed governor in another direction, and a stationary brake. A plurality of ... | 10/19/1976 |
| 3964318 | Disconnect device for aircraft pitch or roll control system A device is disclosed by which two paired controls in an aircraft flight control system, such as pitch controls, or the roll controls, which are ordinarily operated in coordination by the pilot by use of a single operating control may, when the control on... | 06/22/1976 |
