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 |
| 7178642 | Drum brake An adjuster for a strut located between first and second friction members for a drum brake. The strut has a shaft that is free to rotate in a first end member and threaded into the second end member. A lever pivots during a brake application and engages a ratchet wh... | 02/20/2007 |
| 7077249 | Drum brakes with interconnected multi-degrees-of-freedom shoes This invention is a new type of drum brake and its variants for motor vehicles, the shoe mechanism assembly of which has at least one set of interconnected shoe mechanism and automatic adjusting mechanism of brake clearance. The interconnected shoe mechanism consist... | 07/18/2006 |
| 6918468 | Automatic drum brake adjuster locked at a high temperature A brake adjuster for adjusting the working clearance of the shoes of an automotive drum brake, the adjuster including three co-axial elements a first rod element (25) having a head portion for engagement with a first brake shoe and a threaded stem portion, an... | 07/19/2005 |
| 6390248 | Dual mode drum brake device It is an object of this invention to provide a drum brake device which solves a problem of decreasing the strength of a back plate near an anchor block and reduces potential damage to the parking brake cable. A pivot lever 60 is pivotally mounted on one b... | 05/21/2002 |
| 6290028 | Bike brake A bike brake has two stages of braking, including a brake drum, a drum cap, plural brake bands and a stopping structure in the brake drum and the drum cap. The stopping structure has a separator, an interactive device, plural springs, plural stopping devi... | 09/18/2001 |
| 6131711 | Duo-servo drum brake Counter braking force acting on a secondary shoe is input to one end portion of a control lever supported with an anchor pin vertically provided on a backing plate in such a manner that the control lever is capable of swinging. An inner end portion in the... | 10/17/2000 |
| 5625240 | Magnetic bearing and mechanical thrust bearing device for positioning a body rotating relative to a stator body Device for positioning a rotating body movable about an axis in relation to a stator body including a magnetic bearing and a locking/releasing device. The locking/releasing device embodies a plurality of clamps with pads adapted to radially grip a shaft o... | 04/29/1997 |
| 5553832 | Safety device for an air balancing hoist An air balancing hoist is described having an axially movable drum reel supported on a ball nut and screw with a piston defining a pressure chamber containing regulated air pressure acting on one end of the drum reel to counter the unwinding force of a lo... | 09/10/1996 |
| 4678067 | Internal shoe-drum brake An internal shoe-drum brake includes a first actuator disposed between one pair of adjacent brake shoe ends, a strut extending between the shoes adjacent the actuator, an abutment device disposed between the other pair of adjacent shoe ends, and a mechani... | 07/07/1987 |
| 4456102 | Overrunning wheel brake An overrunning wheel brake has a brake drum, two brake shoes including a first brake shoe which, upon forward movement will be leading, and a second brake shoe, a bracket member provided with at least one guiding part arranged to support the first brake s... | 06/26/1984 |
| 4429772 | Drum brake anchor assembly A drum brake assembly includes a pair of brake shoes (16, 18) which are movable by a hydraulic actuator (14) to a braking position. A parking brake lever assembly (24) is operable to also move the pair of brake shoes to the braking position. An anchor ass... | 02/07/1984 |
| 4363386 | Overrunning drum having an amplifying device A wheel brake, particularly an overrunning wheel brake comprising a brake drum, first and second brake shoes movable in forward and rearward directions, amplifying formations arranged to cooperate with the first brake shoe and to amplify a force with whic... | 12/14/1982 |
| 4231452 | Spring applied, electric released drum brake A spring-applied, electrically released drum brake which is self-energizing in one direction, and partially deenergizing in the other direction. Regardless of braking direction, the brake shoes are applied with substantially zero force, with the braking f... | 11/04/1980 |
| 3977500 | Shoe drum brakes for vehicles An internal shoe-drum brake in which arcuate shoes carrying friction linings for engagement with a rotatable drum are mounted on a stationary back-plate and the shoes are separated at one end to bring them into engagement with the drum by a service actuat... | 08/31/1976 |
