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 |
| 7334671 | Actuating device for a clutch An actuating device (18) or a clutch (16) of a motor vehicle (2) comprising one electric motor (34), one gearing (36, 40, 42, 44) which converts rotational motion of the electric motor (34) into a translatory motion and one ... | 02/26/2008 |
| 7249757 | Brush type small motor having non-linear spring device A spring device consists of a coil spring case formed of right, left, back and front side plates and a spring receiving plate, a coil spring having a liner spring property, and a spring urging member for urging the coil spring into the coil spring case. A distance b... | 07/31/2007 |
| 6988597 | Mechanically applied/hydraulically released brake A spring applied/hydraulically released brake mechanism for a mechanical brake including an actuator lever extending between a movable piston, which piston is normally biased to a closed position by a spring with a selective pressurization of a chamber on the other ... | 01/24/2006 |
| 5180149 | Brake cylinder piston spring A coil spring is provided for use in biasing opposing piston portions of a brake cylinder away from each other. The spring includes a body portion formed of a length of alloy wire and including adjacent coils spaced from each other defining a cylindrical ... | 01/19/1993 |
| 4883262 | Device containing a force-imparting means and equipped with safety means A spring-containing device comprises a housing including a removable end plate (2). A plurality of screw-threaded tie rods (7) have nuts (28) holding the end plate (2) in assembly in the housing. A safety plate (14) is disposed within the housing at a fix... | 11/28/1989 |
| 4585094 | Hydraulic rim brake for bicycles The invention relates to a hydraulic rim brake for bicycles with a triggering mechanism which is attached to the handlebar of the bicycle and is actuated by a hand lever, with two brake cylinder housings which are attached to the frame of the bicycle in o... | 04/29/1986 |
| 4505457 | Railway truck spring height adjustment device A height adjusting device for the truck of a railroad vehicle including spring retainer supporting members consisting of a plurality of concentric segments which are arranged around the axis of a spring retainer in symmetry with respect to the axis. Each ... | 03/19/1985 |
| 4458605 | Railway truck spring height adjustment device A pair of adjustment plates are disposed below a mechanical spring which supports a car body. At least one of the adjustment plates include spaced stepped portions to engage a portion of the other plate with the stepped portion engaged determining the hei... | 07/10/1984 |
| 4079926 | Energy absorbing support An energy absorbing support formed of a composite coil defining a core and a tubular sheath with the sheath being formed of a material having a higher elastic yield strain limit than that of the core. The coil defines a first portion and a second portion ... | 03/21/1978 |
