Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8056688 | Immersed wrap spring device A wrap spring device includes a first hub and a second hub located axially to the first hub. A wrap spring is located externally and concentrically about the first and second hubs and glycol-based solution surrounds the spring. The spring is engaged and disengaged t... | 11/15/2011 |
| 7721859 | Rotary force controlling apparatus and image forming apparatus including the same A rotary force controlling apparatus and an image forming apparatus including the same are provided. The rotary force controlling apparatus includes a clutch device having a shaft, and a rotary body mounted at one end of the shaft. A housing receives and rotates tog... | 05/25/2010 |
| 7350459 | Foliage compactor An organic foliage compactor for compacting organic foliage into a bale is disclosed. The compactor includes a compactor frame and a compacting tube coupled to the compactor frame. The compacting tube includes a first end, a second end and a housing that defines an ... | 04/01/2008 |
| 7051854 | Dual press-fit wrap spring clutch A wrap spring clutch including a drive shaft, an output hub, a shoulder, a hub, a wrap spring, a bushing, and a control ring. The drive shaft is configured to rotate about an axis. The output hub is mounted over the drive shaft and is configured with a first groove.... | 05/30/2006 |
| 7048107 | Driving device A shaft locking device for a motor-driven, hand-guided work tool spindle has a driven member fixedly connected thereto, a freewheel with locking members, a ring fixedly connected to the housing and engaged by the locking members in both rotating directions, a drive ... | 05/23/2006 |
| 7021439 | Clutch apparatus Disclosed is a clutch apparatus for use in two-phase position control, which includes a clutch housing for supporting and rotating together with the shaft and a driving gear for selectively driving the housing in a rotatable manner with the help of a clutch interven... | 04/04/2006 |
| 7007780 | Variable speed clutch A variable speed slip clutch is provided. The clutch has an output shaft, a first and second input hub, and output hub, a wrap spring and a control hub. In one embodiment, the clutch includes a source coupler coupled to a first and a second input drive. The output s... | 03/07/2006 |
| 6834752 | Electromechanical joint control device with wrap spring clutch A clutch including an output hub on an output frame, an input shaft on an input frame, wherein the input shaft rotates within a bore in the output hub. An input hub is attached on an end of the input shaft, and a spring engages the input hub and the output hub. A lo... | 12/28/2004 |
| 6681909 | Walk-behind implement having wrap spring wheel clutches A reversible implement including an engine, an axle driven by the engine, a pair of ground engaging wheels with a wheel located at each axle end, a pair of input hubs rotatably fixed to the axle, a pair of wheel hubs with a wheel hub located at each axle ... | 01/27/2004 |
| 6113021 | One-way clutch and brake control device using the one-way clutch A one way clutch includes a shaft, a rotation-transmitting member, and a rotating member. The rotating shaft is rotatable about its rotational axis in a first direction and in a second direction opposite to the first direction. The rotating shaft extends ... | 09/05/2000 |
| 5950783 | Self adjusting wrap spring clutch A self-adjusting wrap spring clutch has a spring overlying driving and driven arbors and in engagement with each. One end of the spring is loosely connected to a control collar, which surrounds the spring and at least a portion of each of the arbors, whil... | 09/14/1999 |
| 5893440 | Flexible mounting for a clutch A mounting system for attaching a clutch assembly to a base structure includes a support member, a clutch assembly mounted on the support member, the clutch assembly having a clutch with an axis generally normal to the support member, a bearing assembly m... | 04/13/1999 |
| 5718313 | Clutch mechanism A clutch mechanism for selectively setting up or interrupting the delivery of a drive force in accordance with a direction and an amount of rotation of a shaft is disclosed. The mechanism includes a clutch gear rotated by the rotation of a motor. A slide ... | 02/17/1998 |
| 5711405 | Spring clutch mechanism and a clutch mechanism for use in a paper feeding apparatus A spring clutch includes a driving-side boss integrally formed with a driving gear and a driven-side boss having a feed roller fixed. The driving-side and driven-side bosses are arranged on a common axis so as to be opposed to each other. A coil spring is... | 01/27/1998 |
| 5335760 | Magnetic flux breaker for a solenoid in a wrap spring clutch A solenoid for controlling the engagement and disengagement of a wrap spring clutch includes an electromagnetic coil having a core member disposed adjacent one axial end thereof. An armature is provided within the electromagnetic coil for selective axial ... | 08/09/1994 |
| 5149217 | Selectively actuatable multiple medium feed mechanism for a micro printer A plurality of micro medium feed mechanisms are provided at different locations in a printer and are all driven by a single step motor through a plurality of clutches and are selectively capable of feeding several different types of mediums, e.g., a sheet... | 09/22/1992 |
| 5101944 | Positioning apparatus employing a spring clutch Apparatus for positioning a movable member, the apparatus comprising a driving shaft, a driven shaft and a clutch for engaging and disengaging the driving shaft and the driven shaft. The circumferential surface of a cam fixed around the driven shaft has s... | 04/07/1992 |
| 5090538 | Electromagnetic spring clutch An electromagnetic spring clutch has an armature (40) which can be moved to and from in the axial direction thereof and cannot be rotated on the axis, and which is biased by a spring (46), and a coil spring (36) which covers over outer faces of a master d... | 02/25/1992 |
| 5090530 | Wrap spring clutch/brake unit with spring differential adjustment The tangs of the clutch and brake springs of a wrap spring clutch/brake unit are connected to separate sleeves which form the control collar of the unit. The sleeves are normally coupled for rotation in unison by an internally splined ring which may be sl... | 02/25/1992 |
| 4986400 | Bi-directional spring clutch for reducing worm gear drive Bi-direction spring clutch apparatus for a reducing worm gear drive is disclosed. The bi-directional spring clutch apparatus includes a worm gear drive comprised of a worm and an output shaft rotatably mounted in a housing. A worm gear is rotatably mounte... | 01/22/1991 |
| 4977788 | Apparatus for adjusting the positions of components in machines An apparatus for simultaneously or independently adjusting components in a machine wherein the components are movable along a track to change the positions of tools, tool holders or other mobile parts. The apparatus has an indexible feed screw which is pa... | 12/18/1990 |
| 4953369 | Washing machine An automatic washing machine includes a coiled clutch spring would about both tub and drive shafts so as to be tightly wound up about the tub shaft and wound up with rotation of the drive shaft to transmit rotation of the drive shaft to the tub shaft, an ... | 09/04/1990 |
| 4892175 | Wrap spring clutch/brake apparatus with helper clutch mechanism A wrap spring clutch/brake apparatus includes a clutch mechanism for supplying increased frictional torque at low rotational speeds to a load. The clutch mechanism is formed of an inner cylindrical-shaped member, an outer annular member disposed concentri... | 01/09/1990 |
| 4848545 | Electromagnetically controlled spring clutch mechanism An electromagnetically controlled spring clutch mechanism comprising a first boss member rotatable as a unit with an input rotating element, a second boss member rotatable as a unit with an output rotating element, a coil spring fitted over and across the... | 07/18/1989 |
| 4760903 | Method and apparatus for extending the life of a wrap spring clutch A method and apparatus for extending the life of a control or drive spring in a wrap spring clutch. The tang of the control spring fits into a control slot of a control collar which rotates when the clutch is actuated. When the clutch is actuated, the con... | 08/02/1988 |
| 4653620 | Failsafe fan clutch A fan clutch having an engaged and disengaged mode of operation comprising: a plurality of centrifugal force responsive friction shoes for drivingly engaging an engagement surface; of the engagement and disengagement of the friction shoes controlled by pl... | 03/31/1987 |
| 4509379 | Rotary to reciprocating motion converter The described motion converter has a housing in which a drive shaft is interconnected with a rotary motion power source. The drive shaft has an extent having a left-hand thread adjacent one end thereof and an extent having a right-hand thread located adja... | 04/09/1985 |
| 4502578 | Electromagnetic spring-wound clutch In an electromagnetic spring-wound clutch, an input rotary member is concentrically and rotatably fitted on an output rotary member having an annular enlarged portion, with its axial boss disposed adjacent the above annular enlarged portion. A coil spring... | 03/05/1985 |
| 4466520 | Self-contained clutch useful for single revolution applications Rotary input power is selectively coupled to an output shaft or the like by actuation of a plunger which forces a movable pin into a coupled relation between a member attached to the input drive and an arm attached to the output. A fixed wall establishes ... | 08/21/1984 |
| 4443125 | Printer A printer having a printing head which prints characters across lines on a recording medium. The printer includes a frame having a driving shaft rotatably supported thereon and a motor for rotating the driving shaft in first and second directions. The pri... | 04/17/1984 |
| 4437552 | Spring clutch device A spring clutch which has two wrapped springs wound in different directions from each other and which is arranged to transmit the rotation of a drive source to two members to be driven by effecting change-over from one member to another. The transmission ... | 03/20/1984 |
| 4373621 | Drive mechanism employing wrapped-spring clutch as radial load-bearing means A drive mechanism comprises a rotatable member, such as a shaft, having an axially elongated cylindrical outer surface, a second member or shaft having an axially elongated cylindrical inner surface loosely telescoped over the outer surface so as to provi... | 02/15/1983 |
| 4298110 | Two-speed clutch with neutral A two-speed clutch arrangement is disclosed in which an input shaft is drivingly connected to an output drum through a system of clutch shoes so as to alternatively produce direct drive of the output drum, a reduced speed drive, or a neutral condition in ... | 11/03/1981 |
| 4278340 | Camera having an automatic focus adjusting device The present invention relates to a camera having an automatic focus adjusting device, being characterized in that the motor for the focus adjustment is not provided particularly, whereby the motor for the shutter operation and the film feeding is changed ... | 07/14/1981 |
| 4273307 | Clutch for valve actuator A valve actuator utilizing a drive motor and a stored energy device to operate valves primarily in safety related applications is disclosed. The actuator operates on signal or loss of power to return a driven valve to a predetermined position. The actuato... | 06/16/1981 |
| 4250984 | Electromotor driven regulating arrangement, especially for regulating the speed of a motor vehicle An electromotor driven regulating arrangement, especially for regulating the speed of a motor vehicle, comprises an input shaft rotatable in one and in the opposite direction by a reversible electric motor, an output shaft adapted to be connected to a mem... | 02/17/1981 |
| 4239096 | Power tool safety clutch A devise for sensing sudden abnormal movement of a power operated tool, such as a hand held circular saw or drill. The device, comprising a wrap spring clutch and an inertia sensing means, further rapidly declutches the tool drive in response to the abnor... | 12/16/1980 |
| 4236618 | Torque transmitting and blocking device Disclosed is a torque transmitting and blocking device which includes a cylindrical drum, a pair of arcuate shoes positioned within the drum, and a spanner bar extending between the shoes to one side of the axis of the drum. On the other side of the drum ... | 12/02/1980 |
| 4221284 | Clutch and brake assembly for implement drive A coil spring clutch connects a driving hub to a driven sleeve rotatable on the hub and the sleeve drives an output or second driven member through a torque limiting clutch. The spring is readily declutched by arresting rotation of its leading end, as by ... | 09/09/1980 |
| 4220232 | Two-speed drive A two-speed clutch drive system for a multi-speed basket and agitator drive for washing machines, including primary and secondary clutches interposed in series between an input drive shaft and an output member, both mounted concentrically with respect to ... | 09/02/1980 |
