Quotables
"One of the greatest labor saving inventions of today is tomorrow!"
Vincent T. Floss
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7367891 | Techniques for controlling transfer of torque using detent members responsive to radial force A torque limiting device includes a base configured to reside in a fixed position relative to a drive unit, an input shaft assembly configured to receive a torque load from the drive unit, and an output shaft assembly which is capable of rotating about an axis. The ... | 05/06/2008 |
| 7366443 | Constant-velocity joint and image-forming device A constant-velocity joint includes an outer ring formed with an annular space therein having an opening at one end thereof. The annular space is defined by a radially outer wall and a radially inner wall. One of the radially inner and outer walls is formed with thre... | 04/29/2008 |
| 7281457 | Wrench with adjustable maximum operational torque A wrench includes a casing having a compartment, a rod rotatably received in the casing and having an end for coupling with a drive member for driving a fastener, an adjusting member mounted in the rod, and an elastic element for retaining the rod mounted between th... | 10/16/2007 |
| 7228752 | Structure of a gearbox for all terrain vehicles A gearbox for all terrain vehicles which includes an engine having a crankshaft which drives a belt transmission mechanism of a transmission case thereby transmitting power to a final axle in the gearbox via a driven axle of the belt transmission mechanism, wherein ... | 06/12/2007 |
| 7155773 | Cleaning head for floor cleaning device An overload coupling is provided for the limited transfer of torque in a floor cleaning device. A drive element and a driven element are arranged concentrically to one another, thereby forming an intermediate space. The intermediate space accommodates at least one c... | 01/02/2007 |
| 7144207 | Fluid chuck device and method In a valve disposed between a fluid supply and a socket of a chuck and configured to regulate the flow of the fluid to the socket. There is a seal screw for modulating a preload tension. This seal screw has a first sealing surface. The valve further includes a secon... | 12/05/2006 |
| 7037200 | Coupling arrangement A coupling arrangement (1) with a first clamping ring (10) concentric to the axis of rotation (1a), a second clamping ring (20) oriented concentrically with the axis of rotation and grooved around its circumference, and with clampi... | 05/02/2006 |
| 6974107 | Thrust reverser system actuator having an integral torque limiter A thrust reverser system actuator assembly is provided that includes a torque limiter to limit the number of torque that may be applied to the actuator assembly. The actuator assembly includes an actuator and a torque limiter assembly. The actuator is adapted to rec... | 12/13/2005 |
| 6942485 | Dental handpiece comprising torque-limiting means A dental handpiece is provided including a neck wherein balls are guided in transverse channels of an input shaft and are radially spaced apart by a support piece including a tapered part thrust by a spring. A linking ring is mounted on the end of the input shaft an... | 09/13/2005 |
| 6886434 | Wrench with a fixed maximum operational torque A wrench includes a drive member for driving a fastener, a retainer securely engaged with the drive member to move therewith, and a casing having a compartment for accommodating the retainer. The casing includes a retaining section defining a retaining space for ret... | 05/03/2005 |
| 6805082 | Valve timing adjustment device A valve timing adjusting device sets an amount of phase shift of a driven shaft with respect to a drive shaft. A first hole in a first rotor forms a first track extending in order to vary its radial distance from a rotation center line. The first hole makes contact ... | 10/19/2004 |
| 6666117 | Wrench with a fixed maximum operational torque A wrench comprises a rod comprising a driving portion for engaging with a fastener, a retainer having an end securely engaged with the rod to move therewith, and a casing comprising a compartment for accommodating the retainer. The casing comprises a reta... | 12/23/2003 |
| 6662693 | Wrench with a fixed maximum operational torque A wrench includes a rod, a slide control member, a casing for rotatably accommodating the slide control member, and a retaining device. The rod comprises a driving portion on an end thereof for engaging with a fastener. The slide control member is securel... | 12/16/2003 |
| 6000512 | Overrunning clutch with spring energized cage centering device The present invention is directed to a spring energized cage centering device for a bi-directional overrunning clutch. The clutch includes an inner race, an outer race, and a cage disposed between them. A biasing member is disposed between a cavity formed... | 12/14/1999 |
| 5616080 | Adaptable safety clutch An overload clutch, particularly for use with manually operated drilling tools, has a release or disconnect moment adjusted at a predetermined velocity as a function of the applied torque, whereby in normal, malfunction-free operation the clutch does not ... | 04/01/1997 |
| 5180334 | Torque variation absorbing device provided with elastic elements and grooved plates for receiving rotational elements A torque variation absorbing device comprises a driving plate, a flywheel which is rotatable relative to the driving plate through a bearing element in common axis, an elastic member which is disposed in a space defined between the driving plate and the f... | 01/19/1993 |
| 5076421 | Sprocket clutch A clutch assembly for an accumulating roller conveyer such that torque transmission is accomplished by using clutch plates of deformable material which in association engage with the conveyer drive and conveyer rollers to allow the bearings to deform the ... | 12/31/1991 |
| 5068673 | Clutch device for electrically extensible antennas A clutch for telescopic antenna including a disk shape clutch element and a shallow, cylindrical clutch element facing each other. The cylindrical clutch element is provide with a recess on its inner wall, and the disk shape clutch element is provided wit... | 11/26/1991 |
| 5040652 | Cylindrical and permutation lock arrangements with clutch A permutation lock chamber has a chamber shaft extending therethrough which is held against rotation when the chamber is in a locked condition and which is rotatable when the chamber is in an unlocked condition. The chamber shaft is connected to the shaft... | 08/20/1991 |
| 5004054 | Electric drill with speed and torque control This invention relates to an electric drill with speed and torque control and in particular to one which utilizes a single adjuster ring to control output speed and torque. When the adjuster ring is turned, the transmission axle will engage with another g... | 04/02/1991 |
| 4967888 | Safety clutch for motor-operated hand tool A safety clutch for a motor-driven hand tool breaks the rotational drive train when a working tool becomes seized in a receiving material. The safety clutch includes coupling members (25) positioned in a part (22) for transmitting rotational movement to t... | 11/06/1990 |
| 4944377 | Safety coupling According to the invention, a safety coupling, the torque transmission of which takes place as a result of the radial tension of a clamping sleeve which is under high pressure, has a release valve. During a rotation of the shaft relative to the hub, cause... | 07/31/1990 |
| 4887703 | Overriding clutch An overriding clutch having a housing, an outer body, and an inner body, wherein the outer body and inner body are rotatable about a clutch axis. The outer body includes a peripheral wall with a radially inner surface and includes an end wall connected to... | 12/19/1989 |
| 4861201 | Quick change adapter with a torque limiter for a tapping chuck The object of the invention relates to the technical branch of machine-tool accessories. The adapter features a torque limiter comprising a driving means (2) provided with a plurality of radial openings (2d) and axial openings (2e) which communicate betwe... | 08/29/1989 |
| 4792321 | Radial ball torque limiter A radial ball torque limiter having a member with an annular wall defining a cavity with a plurality of rows of internal teeth extending circumferentially along the interior of the annular wall, an input shaft extending into the cavity, and one or more ca... | 12/20/1988 |
| 4786271 | Coupling for end-to-end rotatable shafts A shaft coupling which can prevent trransmission of side loads in the event of angular or parallel misalignment of end-to-end shafts and which can also provide non-destructible overload protection. A pair of independent translatable devices spaced apart a... | 11/22/1988 |
| 4770281 | Overload apparatus An overload apparatus is shown as an overload single position clutch having a drive ring which is reciprocated by springs and by a cylinder slideable on a piston by fluid pressure. The drive ring includes a multiplicity of ball receiving cavities. A sheav... | 09/13/1988 |
| 4648784 | Drive protection device connectable between two portions of a driven operating device An improvement of a device for protecting manipulators against collision with other objects. Two discs are held in spaced relationship by spacer balls applied thereagainst on the periphery. The discs are urged toward each other and the gap is adjustable. ... | 03/10/1987 |
| 4610340 | Overload safety on clutches An overload safety for clutches of the type having driven and drive elements arranged concentrically to each other and having a driver body which cooperates with a spring and is provided in the space between the elements. In order to obtain a small struct... | 09/09/1986 |
| 4540075 | Combined bearing and variable speed viscous coupling A combined variable speed viscous coupling and bearing includes a rolling element bearing that supports a driven member for relative rotation on a powered member. A viscous grease interposed and sealed with respect to the rolling elements of the bearing a... | 09/10/1985 |
| 4460078 | Torque release clutch A system for transmitting motion between a driving component and a driven component includes a torque release clutch for transmitting motion between the components until a predetermined amount of force is required to do so, whereupon the clutch releases. ... | 07/17/1984 |
| 4440363 | Landing mat or the like A landing mat for compacted terrain is formed by assembling a multiplicity of mat elements in contiguous relationship. Each of these elements has a rectangular plan configuration and is formed along its longitudinal edges with downwardly bent flanges, and... | 04/03/1984 |
| 4275572 | Torque limiting drive system A system for transmitting torque to a driven member from a drive shaft extending axially throughout the driven member which is itself of a tubular shape. The drive shaft is of a circular cylindrical configuration and at least one resilient spherical drive... | 06/30/1981 |
| 4272973 | Socket joint for torque wrench This invention relates to a socket joint for a torque wrench comprising a joint body, a clutch pressed by a spring thereof, and a controlling means for positioning and clutching said clutch so as to make the joint body keep in a condition of idle running ... | 06/16/1981 |
| 4270727 | Spring loaded plug valve A valve is provided which includes a poppet enclosed in a plug of plastic material, such as Teflon, and which is biased against a seat by a compression spring so that a positive seal is provided even in the presence of cold flow in the plastic plug. A val... | 06/02/1981 |
| 4238978 | Torque wrench Torque wrench having an output shaft driven through a torque-limiting clutch including a clutch cam and a clutch ball held in driving relationship by a spring.... | 12/16/1980 |
| 4191264 | Impact wrench An impact wrench for tightening threaded joints by imparting a number of rotary blows to the threaded joint. The impact wrench comprises a housing which accommodates an impact clutch comprising an anvil and a hammer which consists of a driving member and ... | 03/04/1980 |
| 4153115 | Rotary harrows A cultivator or rotary harrow has tined soil working members that are driven about upwardly extending axes. At least one, but preferably substantially all, of the soil working members have an overload release between the driving system and the tines so th... | 05/08/1979 |
| 4108252 | Power driver for threaded fasteners A drive is mounted in a housing and an output shaft is coupled with the drive to be rotated by the same and is connectable with a fastener to be driven. An arrangement is provided for deactivating the drive when the torque acting on the output shaft excee... | 08/22/1978 |
| 4066136 | Torque and impulse transmitting machine A portable torque and impulse transmitting machine comprises an elongated housing having a median plane of symmetry which extends in direction of the elongation of the housing, and a tool holder which is mounted on the housing for holding a material-penet... | 01/03/1978 |
