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 |
| 7837563 | Power transmission device In a power transmission device 41, a tapered inner circumferential surface 79 increasing its diameter toward a rotating shaft body 47 is formed in a hub 75, and a tapered outer circumferential surface 83 increasing its diameter tow... | 11/23/2010 |
| 7331873 | Over-torque break away rotational coupling and a method of assembling same In order to prevent damage to a drive component, fail safe devices are often used to break a rotational coupling between an apparatus, such as a pump, and the drive component, such as a crank shaft of an engine, in the event of the apparatus seizing. In order to bre... | 02/19/2008 |
| 7322890 | Steering coupler A steering coupling reduces the rotational force felt by a driver should the wheels impact an obstacle. The coupling is particularly suited for vehicles comprising simple, single-unit steering assemblies. The coupling permits a certain amount of slippage between the... | 01/29/2008 |
| 7303478 | Power transmission mechanism capable of preventing breakage of a rotating shaft In order to transmit a torque from a hub 5 (rotating body) integrally formed together with a pulley 4 to, for example, a sleeve 6 inserted under pressure into a rotating shaft 1 of a refrigerant compressor 2, end surfaces 5 | 12/04/2007 |
| 7252283 | Paper-pickup clutch of automatic paper-feeding device A paper-pickup clutch of an automatic paper-feeding device includes a clamping member and a clamping-force adjusting member and can be applied to image processors such as printers, copiers or scanners. The automatic paper-feeding device includes a shaft and a paper-... | 08/07/2007 |
| 7108623 | Fan idler pulley A fan idler pulley having a threaded hub for attaching a fan shaft. The pulley also comprises a receiving portion for engaging a bearing. The bearing is further engaged with a cup. The entire assembly is mounted by a pin press fit though the cup into a mounting surf... | 09/19/2006 |
| 7052420 | Over-running clutch pulley with coating material The over-running clutch pulley (10) includes a sheave member (20), a hub member (22) a clutch member (24), and a coating (26), which cooperate to rotationally engage an input device (12) and an output device (14). The... | 05/30/2006 |
| 7048661 | Power transmission device and torque transmission member A power transmission device for transmitting torque of a driving unit to a driven unit includes a first rotator, a second rotator, and a torque transmission member. The first rotator is to be driven for rotation by the driving unit. The second rotator is coupled to ... | 05/23/2006 |
| 6916161 | System, method, and apparatus for shielding sparks originating from a compressor in a marine air conditioner A system for shielding sparks generated by a compressor in a marine air conditioning system is disclosed. The components of the compressor clutch are modified and a cap encapsulates the components that can generate sparks. In particular, the outer edges of the hub a... | 07/12/2005 |
| 6497620 | Coupling assembly for agricultural implements A coupling assembly for agricultural implements has a friction coupling (1), an electromagnet (6) and control mechanism (7). The friction coupling (1) includes a friction assembly (4) which is loaded by a pressure plate (14). The pressure plate (14) is lo... | 12/24/2002 |
| 6200221 | Power transmission apparatus In a power transmission apparatus, a torque limiter mechanism has a plurality of holding portions, a disc plate and a flange, and an elastic member. The plurality of holding portions are fixed to either one of a pulley and a hub and aligned substantially ... | 03/13/2001 |
| 6019696 | Limited slip planet gear for a motor vehicle differential assembly A limited slip planet gear for a motor vehicle differential assembly which uses a segmented planet gear having a plurality of fixed plates positioned between a corresponding plurality of planet gear segments. The plurality of fixed plates are preferably k... | 02/01/2000 |
| 5846133 | Adjustable torque clutch for remote controlled circuit breakers An adjustable torque clutch assembly is provided for use in a motor operator. The clutch assembly includes a cylinder ring disposed between upper and lower clutch plates and houses a pair of friction discs, a drive plate disposed between the friction disc... | 12/08/1998 |
| 5746089 | Planetary gear-type starter In a starter including a planetary gear reducer for reducing a rotational output of a motor and transmitting the reduced rotational output to a starting object, the motor includes an armature 3, a motor output shaft 31 and a cylindrical yoke 1. The planet... | 05/05/1998 |
| 5607023 | Impact absorption mechanism for power tools Disclosed herein is an impact absorption mechanism and a power tool including an impact absorption mechanism. When a tool bit binds a high energy impulse of short duration is generated that may damage components of the power tool. The impact absorption me... | 03/04/1997 |
| 5295908 | Spacing mechanism for the plates of a fluid friction coupling A fluid friction coupling comprises a coupling hub (1) and a coupling housing (2) rotatably supported on the coupling hub. The coupling also comprises sets of plates (6; 7) non-rotatably mounted on the hub and housing. One set of plates has spacing teeth ... | 03/22/1994 |
| 5170676 | Torque limiter A torque limiter suitable for use in a gear train is provided having at least one gear connected with a first driven member and another gear being connected with a motive source for transmitting torque from the motive source to the first driven member. On... | 12/15/1992 |
| 5042632 | Vibration damping apparatus A vibration damping apparatus which is installed in the power train between the engine and the variable-speed transmission of a motor vehicle has two coaxial flywheels which are rotatable relative to each other against the opposition of one or more elasti... | 08/27/1991 |
| 4946016 | Device for controlling positioned stopping of a packaging unit A control device comprises a clutch having two parts which are respectively coupled with an input shaft and an output shaft. The input shaft carries a torque limiter having a rotating pulley coupled with a central axle by a friction member. The rotating p... | 08/07/1990 |
| 4944379 | Torque limiter A mechanical device for limiting the maximum torque transferred from a driving shaft to a driven power transmission element including an adapter which rotates fully around a power transmission element; a sleeve firmly affixed to and rotating with the driv... | 07/31/1990 |
| 4937957 | Torsional limiting device for a vehicular ditching apparatus A vehicular ditching apparatus in which an oil-cooled mechanism having rotating friction discs and plates, and further having a fluid controlled piston for increasing the friction between the discs and plates, is incorporated into the ditcher, aft of the ... | 07/03/1990 |
| 4888539 | Clutch/damper A clutch/damper for isolating and absorbing vibration induced reactive torques from adversely affecting a motor drive system. A friction plate variably engages a gear coupled to the drive motor and to a load mass to permit normal drive in the absence of e... | 12/19/1989 |
| 4728053 | Drag mechanism for a spinning fishing reel A drag mechanism for applying a braking force against rotation of a spool with respect to a spool shaft of a spinning fishing reel. The drag mechanism is provided with a first adjuster for setting a minimum braking force and a second adjuster for adjustin... | 03/01/1988 |
| 4721009 | Gear wheel shaft assembly A gear wheel shaft assembly in which the gear wheel (4) is pressed against an end plane (8) of a shaft (1) by a central bolt (5) through the gear wheel. The end plane is situated at a smaller radius than a shaft bearing (2). The cooperating surfaces (8,9)... | 01/26/1988 |
| 4578047 | Station-selecting device for a radio receiver A station-selecting device for a radio receiver comprises a rotatable control knob for driving an element of a tuning device which is capable of moving between two end positions. Motion transmission is carried out by applying a coefficient of friction bet... | 03/25/1986 |
| 4551050 | Threaded engagement means According to a depicted embodiment thereof, the novel threaded engagement means comprises a drill rod coupling which is centrally bored and threaded to receive threaded drill rods. A stack of apertured discs, however, engages and lines the threaded bore. ... | 11/05/1985 |
| 4505343 | Plural-part earth bit, and an improved bit head therefor According to a depicted embodiment thereof, the novel earth bit comprises a shank having a threaded end and a bit head centrally bored and threaded to receive a shank. A stack of apertured discs, however, is interposed between the threaded bore or cavity ... | 03/19/1985 |
| 4487592 | Vibration isolator coupling A torsional vibration isolator coupling displaying particular utility in automotive vehicles powered by internal combustion engines of the diesel or otto type. An input torque shaft having undesirable torsional vibrations, such as a torque directly derive... | 12/11/1984 |
| 4461064 | Method of providing a clutch between a motor drive means and a cam programming means A clutch particularly adaptable to a timing mechanism comprising a metal member with an aperture in it and an insert molded as a single unit a plastic shaft extending through the aperture and having two plastic clutch discs engaging opposed faces of the r... | 07/24/1984 |
| 4413689 | Plural-part earth bit, and an improved bit head therefor According to a depicted embodiment thereof, the novel earth bit comprises a shank having a threaded end and a bit head centrally bored and threaded to receive a shank. A stack of apertured discs, however, is interposed between the threaded bore or cavity ... | 11/08/1983 |
| 4328857 | Mounting device for heat recovery wheels Disclosed is a mounting device for a ceramic heat recovery wheel having a central bore therein. A metal hub is situated in the bore having a plurality of radially movable shoes for fastening the hub to the wheel. The radially movable shoes each have a rad... | 05/11/1982 |
| 4044868 | Slipping coupling for a recording and/or playback apparatus A slipping clutch which comprises a first sliping clutch section and, coaxial therewith, a second slipping clutch section pivotably journalled to a counter-bearing. An annular bearing part is coaxial with the second slipping clutch section so as to allow ... | 08/30/1977 |
| 4004641 | Motor grader drawbar assembly with safety clutch mechanism The motor grader drawbar assembly has a blade mounted on a circle gear and a drive gear selectively rotates the circle gear and the blade via a pinion gear engaged with the circle gear and mounted on a rotatable shaft. A slip clutch is interposed between ... | 01/25/1977 |
