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.
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 |
| 7024740 | Rotating table apparatus A rotating table apparatus using a cam mechanism and having a higher precision than a conventional rotating table is realized. A rotating table apparatus having a driven shaft supported by a housing and driven by a driving device, and a rotating table which is rotat... | 04/11/2006 |
| 6948402 | Rotary work table with cycloidal drive gear system A rotary table or turntable includes a work supporting platform with a driven pin carrier attached thereto. The pin carrier includes a circular array of pins engaged with a driven cycloidal gear. The cycloidal gear is driven by a prime mover, such as a servomotor, a... | 09/27/2005 |
| 6892608 | Turning disc intermittent rotary mechanism A turning disc intermittent rotary mechanism in accordance with the invention includes at least one top disc flexibly mounted to a bottom seat, wherein at the center of the top disc is provided with a through hole and the bottom surface thereof is provided with slid... | 05/17/2005 |
| 6862786 | Rotating table apparatus A rotating table apparatus using a cam mechanism and having a higher precision than a conventional rotating table is realized. A rotating table apparatus having a driven shaft supported by a housing and driven by a driving means, and a rotating table which is rotati... | 03/08/2005 |
| 6666109 | Indexing apparatus and method of assembling the same A worm shaft having a worm thereon, a worm wheel meshed with the worm, and a motor for driving the worm shaft are provided. The worm shaft and a shaft of the motor are connected together directly without interposing a rotation transmission mechanism, such... | 12/23/2003 |
| 6662686 | Automatic motor-output-redirection system An automatic motor-output-redirection system includes an automatic motor-output-redirection mechanism and a motor control unit for controlling the automatic motor-output-redirection mechanism which includes a turntable base arranged to be driven to rotate... | 12/16/2003 |
| 6615690 | Turning disc intermittent rotary mechanism The features of a turning disc intermittent rotary mechanism comprise at least one top disc, a through hole disposed at the center of the bottom disc plane, and the lateral side of the peripheral disc plane of the through hole is formed into a plurality o... | 09/09/2003 |
| 6438813 | Rotary drive with a speed A rotary drive adapted to perform a speed of rotation switching of a tool holding device, comprising an output drive shaft bearing the tool holding device, said output drive shaft being able to be moved into first and second axial positions by means of a ... | 08/27/2002 |
| 6435051 | Driving cam of geneva mechanism A driving cam of a Geneva mechanism includes a core member coupled to the driving cam, and including a circular arcuate portion to correspond to a circular arcuate concave of a driven cam and a groove formed along a peripheral surface of the circular arcu... | 08/20/2002 |
| 6234047 | Intermittent transmission mechanism An intermittent transmission mechanism that includes a driving rotating body adapted to rotate around an input shaft and a driven rotating body adapted to rotate around an output shaft is disclosed. The driven rotating body has arcuate recesses and a gear... | 05/22/2001 |
| 6183087 | Geneva mechanism and motion picture projector using same A driving mechanism such as a Geneva Mechanism which allows a load, such as film in a motion picture projector, to be intermittently advanced with controlled acceleration. The Geneva Mechanism includes a star wheel and a rotating driver. The star wheel in... | 02/06/2001 |
| 5916324 | Stepping gear mechanism The stepping gear mechanism is provided in particular for motion control of a machine tool turret and comprises two cam plates adapted to be driven in rotation in the same sense about an axis of rotation each and arranged in such manner with respect to a ... | 06/29/1999 |
| 5906134 | Geneva drive mechanism A Geneva drive mechanism includes a Geneva gear having arcuate recesses and radially outwardly opening slots arranged alternately in a circumferential direction thereof, and a driving member having an engaging element for engaging the slots. The driving m... | 05/25/1999 |
| 5768757 | Tool turret for machine tools Tool turret device for machine tools, comprising a turret head bearing device, to which a turret head is attached for rotation about an indexing axis, a turret head indexing device as well as locking means for the turret head, the turret head indexing dev... | 06/23/1998 |
| 5720091 | Indexer with cam-actuated lock An indexing mechanism for providing intermittent rotation to a device includes a rotatable driven member having a pair of spaced oppositely disposed arcuate slots and a driving member having a pair of angularly spaced driving rollers engageable with the s... | 02/24/1998 |
| 5615468 | Modular mechanical system Apparatus for performing a series of operations upon a workpiece that include at least one modular mechanical unit having a worktable for supporting workpieces thereon. The worktable is periodically indexed by a Geneva wheel so that a workpiece on the wor... | 04/01/1997 |
| 5609061 | Turntable with stepping drive Bearing system for a turntable (10) with a stepping drive, in which a table plate (12) is rotatably mounted on ball bearings on top of a housing (14), having drive pins (36) disposed on the same diameter offset at uniform angular distances and protruding ... | 03/11/1997 |
| 5598749 | Table turning apparatus A table-turning driving apparatus comprises a pair of first and second worm shafts 16 and 17 which engage a driving shaft through gears and which is rotated in the same direction of rotation as that of the driving shaft. One 16 of the worm shafts is fixed... | 02/04/1997 |
| 5481945 | Lock plate adjustment for geneva drive mechanism A machine tool has a rotatable table with a plurality of lock plates located on the underside thereof at circumferentially spaced locations, and a geneva drive mechanism arranged to coact with the lock plates in rotatably indexing the table. The lock plat... | 01/09/1996 |
| 5370519 | Apparatus for cutting and dispensing cap lining material An apparatus for cutting and dispensing segments of thermoplastic material into receptacles such as crowns, particularly into those having relatively high sidewalls, includes a conveyor for conveying the crowns through a passageway at predetermined speeds... | 12/06/1994 |
| 5272291 | Dual switch actuator mechanism with Geneva drive plate and follower plates detent assembly A dual switch actuator for coordinated actuation of two high-current switches, each having a switch operator with a shaft. The switch operator shafts are aligned paraxially with a main shaft of the actuator. A Geneva drive plate having an arcuate bearing ... | 12/21/1993 |
| 5213425 | Platen drive device A device for driving a platen includes a motor for driving the platen, and a power transmission mechanism for transmitting the power of the motor to the platen. The power transmission mechanism includes a drive wheel having a pin and driven by the motor f... | 05/25/1993 |
| 5197354 | Angular drive intermittent motion mechanism An intermittent drive mechanism is provided for intermittently driving an output shaft with an input shaft that has an axis that intersects the axis of the output shaft at an angle. A driving element on the input shaft couples with a driven element on the... | 03/30/1993 |
| 5184525 | Mechanism for positioning a carrier A mobile component carrier in an instrument includes a disk with a scalloped periphery. A larger bearing and a smaller bearing are mounted on a support structure. The larger bearing has a radius greater, and the smaller bearing has a radius less than that... | 02/09/1993 |
| 5178040 | Tool turret for machine tools The tool turret comprising driven tools comprises a turret shaft (2) which carries the turret plate (4) and is supported in a turret housing (1) so as to be rotatable and axially displaceable. The turret shaft (2) can be locked at the turret plate end by ... | 01/12/1993 |
| 5165295 | End stop for stepper for step-type transformer A stepper drive for a step-type transformer has an upper geneva wheel rotatable about a wheel axis, a lower geneva wheel spaced below the upper wheel and also rotatable about the axis, and a driver rotatable about a driver axis adjacent the wheels and hav... | 11/24/1992 |
| 5109728 | Locking means for a rotational work station in an analyzer There is disclosed a camming apparatus for a work station that provides for relative rotational motion between a cam and a cam follower connected to the work station, e.g., a liquid dispenser. The cam follower is movable on a carrier that frictionally eng... | 05/05/1992 |
| 5090100 | Machine tool with a rotary table and rotatable holding devices To so improve a machine tool comprising a machine frame, a rotary table mounted on the machine frame for rotation about a center axis, machining stations arranged around the rotary table, at least one holding device mounted on the rotary table for rotatio... | 02/25/1992 |
| 5080347 | Sheet paper feeder A sheet paper feeder for use in a printing press, includes a cam mechanism interposed between sheet feeding rollers, and a source of drive force for the sheet feeding rollers which are adapted to be repeatedly rotated and stopped along a programmed contin... | 01/14/1992 |
| 4944198 | Tool-holder turret with an epicyclic transmission and positioning unit The tool-holder turret for lathes or like machining centers has a fixed support member (1; 52) bearing a rotary member (4; 51) to which there may be attached a tool-holder plate designed to bear a plurality of tools, each of which can brought into the ope... | 07/31/1990 |
| 4858290 | Machine tool indexing apparatus A machine tool having a main spindle head and an indexing table those being inclined with respect to a horizontal plane. The machine tool comprises the main spindle head, a main spindle, a reciprocation drive means and the indexing table. The main spindle... | 08/22/1989 |
| 4771655 | Rotary actuator A rotary actuator has a first rotor rotatable around a first axis and having a plurality of first projections circumferentially spaced and axially projecting from one end surface thereof, a second rotor rotatable around a second axis which is eccentric to... | 09/20/1988 |
| 4684114 | Index tables An index table comprising a base, a main plate mounted on the base, a drive wheel mounted for rotation on one side of the main plate about a first axis transverse to the main plate, a work plate on the other side of the main plate rotatably mounted about ... | 08/04/1987 |
| 4563910 | Positive-locking indexing system for high-speed operation A rotatable member to be indexed in a machine is intermittently rotated through specific angular displacements between predesignated indexing positions by an indexing mechanism driven by a hydraulic motor and is positively locked in each indexing position... | 01/14/1986 |
| 4512214 | Station locking rotary indexing table Provided is a rotary indexing table comprising a circular plate having a peripheral race mounted to a base. A notched Geneva disk is provided with a plurality of cam followers which ride in the plate race. Between the plate and the disk is a dual slotted ... | 04/23/1985 |
| 4470318 | Vehicle seat and adjusting arrangement thereof An arrangement for adjusting a seat of a vehicle has a plurality of adjusting elements arranged to adjust the position of the seat, a drive motor, and a distributing transmission provided within the drive motor and the adjusting elements and including a p... | 09/11/1984 |
| 4466310 | Timing mechanism with two independent rotary outputs A timing mechanism for use in an appliance such as a domestic clothes dryer, for example. The mechanism includes a synchronous motor and two output shafts. One output shaft is the conventional rotary output shaft of the speed reducing gear train associate... | 08/21/1984 |
| 4448093 | Stepping drive mechanism Stepping drive mechanism for converting a constant input rotatory movement to a linear movement of a given length accelerated first from zero, then continuing at constant velocity, and finally decelerated back to zero, in which the constant input rotatory... | 05/15/1984 |
| 4428256 | Geneva gear apparatus for driving an index table An apparatus for driving an index table which includes a first shaft, an index table rotatably mounted on the first shaft having grooves therein forming a Geneva gear and a mechanism for driving the table in rotation including a drive motor, a second shaf... | 01/31/1984 |
| 4416165 | Stepping gear A stepping gear includes an output member attached to a wheel which is provided with a number of rollers on both faces thereof. In driving contact with these rollers is a pair of cam members having contours which allow for driving in the forward direction... | 11/22/1983 |