Class 192/56.56 - Positive

Subclass of Class 192 - Clutches and power-stop control
Definition: Subject matter wherein the clutch elements have formations
No. of patents: 35
Last issue date: 09/09/2008

Number	Title	Issue Date
7422075	Rotary tool An overload clutch assembly for a power tool having two torque settings through which rotary drive is transmitted to a spindle. The overload clutch assembly is capable of being between switched between the two torque settings by at least one actuator. The clutch ass...	09/09/2008
7334647	Rotary tool An overload clutch assembly for a power tool having two torque settings through which rotary drive is transmitted to a spindle. The overload clutch assembly is capable of being between switched between the two torque settings by at least one actuator. The clutch ass...	02/26/2008
7101300	Multispeed power tool transmission A portable power tool with a housing, a motor having a motor output member, a driven member and a transmission. The transmission, which is located in the housing, is configured to receive a rotary input from the motor output member and to produce a rotary output tha...	09/05/2006
6984188	Multispeed power tool transmission A multi-speed transmission assembly for a rotary power tool. The transmission assembly includes a plurality of transmission stages, with at least two of the transmission stages employing a movable reduction element that permits the transmission stage to be operated ...	01/10/2006
6857983	First stage clutch A clutch assembly for limiting a torque output of the power tool. The clutch assembly includes an annular rotatable clutch member, which is coupled to the ring gear of a planetary gearset in a transmission, and an engagement assembly. The clutch member has a clutch ...	02/22/2005
6682454	Planetary gear reduction device with torque limiter function A planetary gear reduction device with a torque limiter function includes a housing, an input shaft rotatably supported by one end of the housing and connected to a power source so as to input a torque from the power source, an output shaft rotatably supp...	01/27/2004
6676557	First stage clutch A clutch arrangement for a power tool having a multi-speed transmission. The clutch arrangement includes a clutch member and a follower member. The clutch member is coupled to a member of the transmission that is proximate the torsional input of the trans...	01/13/2004
6237630	HVAC damper A fail-safe HVAC damper apparatus comprises a duct channel with a closure comprising one or more quadri-panel hinged elements, each with four panels connected by four parallel hinge pins. A gear shaft with a toothed gear is controllably rotated to linearl...	05/29/2001
6086282	Coupling mechanism with locking and torque limiting features A coupling mechanism (1) has a threaded body (12) adapted to establish a threaded coupling when rotated, a housing (2) being rotatable by the application of torque thereto, a thrust member (6) coupling the threaded body (12) and the housing (2) for rotati...	07/11/2000
6059085	Shaft decoupler A decoupling apparatus for disconnecting an engine starter from an engine includes a first rotatable decoupler shaft, having a first clutch jaw, coaxially mounted with respect to a second rotatable decoupler shaft having a second clutch jaw. The two shaft...	05/09/2000
5595251	Displaceable gear torque controlled driver Methods and apparatus are provided for a torque driver including a displaceable gear to limit torque transfer to a fastener at a precisely controlled torque limit. A biasing assembly biases a first gear into engagement with a second gear for torque transf...	01/21/1997
5568849	Clutch mechanism in power driven screwdriver A power driven screwdriver including a housing, a spindle rotatably and axially movably disposed within the housing, a motor for driving the spindle, and a clutch mechanism interposed between the motor and the spindle. The clutch mechanism includes a driv...	10/29/1996
5134909	Power driven screwdriver A power driven screwdriver includes a driving mechanism interposed between the drive motor and the spindle. The driving mechanism includes a first member rotatably mounted within the housing and a second member movably mounted to the first member and driv...	08/04/1992
5067600	Precision overload clutch apparatus for automated machinery An adjustable, precision overload clutch device is disclosed as comprising a rotating driving member drivingly coupled by spring-urged detent plunger members to a driven member, in which bearings are provided for journalably mounting the head of each plun...	11/26/1991
4945678	Window operator A window operator has a prime mover for opening and closing of a window, with the prime mover being drivingly connected to a drive output member through an intermediate gear structure. A clutch device in the drive structure senses the torque applied to th...	08/07/1990
4928802	Overload release clutch for the transmission of rotary movement between shafts The invention relates to an overload release clutch having: a hub 2 which is disposed on a shaft 1 and has two coupling halves 3,6 which are coupled with provision for axial disengagement in relation to one another by means of a positive connection 4,5 on...	05/29/1990
4911274	Safety coupling A safety coupling having a first drive/output element that is coupled with a second drive/output element via two disengageable coupling elements in the form of two-armed levers that are pivotably disposed on the second drive/output element. First lever ar...	03/27/1990
4875382	Stepping drive An intermittent or stepping drive has a first rotatable member (20), which is driven by a driving shaft (12), in engaging relationship with a second rotatable member (30) from which a driven shaft (22) is driven whereby a continuous rotation of the first ...	10/24/1989
4856632	Safety clutch for rotating drives Locking arrangements (40,44) are respectively connected, for joint rotation, to a driving and a driven hub (10,16) which are mounted for rotation in relation to one another. The two locking arrangements (40,44) can be coupled to one another by at least on...	08/15/1989
4838829	Automatic overload clutch reset arrangement An automatic overload clutch has interfitting clutch elements (10,11;50,51) which are spring-loaded to disengage two coaxial clutch parts (1,2;45,46). To provide for reengagement of the clutch parts after overload, in predetermined angular and rotational ...	06/13/1989
4798559	Automatic overload clutch structure To provide a compact clutch, two clutch parts (1, 2; 44,54,55,73,74) are located in axially fixed position on respective driving and driven shafts. The clutch can be automatically disengaged upon transfer of excessive torque, by including bolt elements (1...	01/17/1989
4768634	Backdrive overload release clutch A backdrive overload clutch mechanism which includes a rotatable drive member and a rotatable driven member mounted concentric with respect to the drive member. A pair of cooperating clutch jaws, including chamfered teeth, are provided with one jaw on eac...	09/06/1988
4662492	Method and system to trigger release of a safety disconnect clutch The transferred torque is continuously measured at a predetermined machine portion. A torque-dependent comparison signal is generated and compared with a predetermined maximal torque limit value. When the limit value is reached or exceeded, a positioning ...	05/05/1987
4593800	Torque release drive connector The disclosure is directed to a clutch or connector mechanism that is capable of having the individual bias changed so that it is independent of the torque applied to the clutch. The driving and driven elements may be interchanged and either the driving o...	06/10/1986
4300364	Overload couplings An overload coupling includes two members that are interconnected by at least one shear pin for rotation about a common axis. The pin is normally urged in a direction parallel to the axis through an aperture of the second member into an opening of the fir...	11/17/1981
4273230	Indexing drive disconnect A disconnect assembly releases a conveyor chain from a driven shaft. The connection between the driving shaft and the chain is by means of tapered pins associated with a driven plate or hub received in tapered holes on a plate attached to the driving shaf...	06/16/1981
4266644	Torque limiting and shock absorbing coupling A torque limiting coupling comprises rotary input and output members which are interconnected for limited torque transmission therebetween by coupling elements secured respectively to such members which are caused at a predetermined or overload torque to ...	05/12/1981
4257147	Overload clutch for the feed roll of a carding machine An electromagnetically actuated jaw clutch for torsionally driving the feed roll of a carding machine includes a pair of annular, rack-toothed face gears spring biased away from each other in opposed relation to establish a nonengaged position when the cl...	03/24/1981
4235321	Safety clutch for the drive of floor cleaning machines A safety clutch for the drive of floor cleaning machines comprises at least one first dog and at least one second dog which are in engagement with one another and oppose each other and the input and output for transmitting torque. One of the dogs is arran...	11/25/1980
4196799	Safety decoupler A starter decoupler automatically responsive to occurrence of failure of an overrunning clutch to decouple the clutch from an output shaft to prevent overspeed of the starter....	04/08/1980
4122928	Torque clutch coupling A torque clutch coupling includes a torque clutch body adapted for support and rotative drive and having an axially disposed drive clutch thereon. A casing is mounted on and encloses said clutch. An adapter for a driven member is nested within said case a...	10/31/1978
4081062	Torque drive unit A drive assembly is provided including first and second torque input and torque output sections coupled together for relative rotation and limited relative displacement along the axis of relative rotation thereof. The input section includes structure for ...	03/28/1978
4044872	Coupling the switching of which is dependent on the rotational speed A coupling which is switched dependent on the rotational speed. One coupling half is held in fixed relationship with another coupling half up to a switching speed while being supported on switching elements. These elements are centrifugally controlled and...	08/30/1977
4004667	Overload clutch with zero parasitic torque An overload release clutch having a driving rotor mounted on an input shaft and a driven disk mounted on an output shaft. A shuttle rotor having saw-tooth shaped teeth on its perimeter rides on a splined hub which is an integral part of the driving rotor ...	01/25/1977
3997042	Aircraft engine coupling A torque responsive coupling includes an intermediate coupling member with helical splines thereon selectively engageable with first and second axially spaced helically splined coupling discs connected respectively to an engine power shaft and to a gear r...	12/14/1976

PatentStorm

Bizarre Patents

PatentStorm News

Class 192/56.56 - Positive