Bizarre Patents
A kissing shield comprised of a thin, flexible membrane and a frame or holder.
PatentStorm News
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 |
| 6899514 | Overspeed safety device An overspeed safety device for a pneumatic rotation motor having a stator (10) with an air inlet passage (16), a rotor (12), and a speed governor for determining a maximum speed level, and comprising a speed responsive actuator (34) conne... | 05/31/2005 |
| 6179552 | Speed control unit for a pneumatic rotation motor A speed control unit for a pneumatic rotation motor having a stator (10) with an air inlet passage (14), a rotor (11) journalled in the stator (10). The speed control unit includes a speed governor (26) operated by two or more fly-weight members (28), and... | 01/30/2001 |
| 5752483 | Governor arrangement A governor arrangement for an internal combustion engine is disclosed which comprises a plurality of weights rotatable with a rotatable drive shaft and pivotable with respect to the shaft. The weights are engageable with a washer which, in turn, engages a... | 05/19/1998 |
| 5297573 | Overspeed safety device An overspeed safety device for a pneumatic rotation motor comprises a housing (10, 18) and a valve element (28) which is located in a bore (27) in the housing (10, 18) and which by a trip device (29, 31) is locked in a normally open position and arranged ... | 03/29/1994 |
| 4657057 | Safety tire valve for controlling speed of vehicle A safety air valve for a tire comprising a casing adapted to be vertically mounted to a rim of a tire, the casing defining an air channel extending therethrough, the air channel containing an internal shoulder which extends into the air channel, a valve e... | 04/14/1987 |
| 4465443 | Pneumatic power tool with speed governor and overspeed safety device In a pneumatically powered portable tool there is provided a speed governor and an overspeed safety device the purpose of which are to ensure a predetermined maximum speed by controlling the air inlet flow to the motor. A cup-shaped shell insert (28) is d... | 08/14/1984 |
| 4379544 | Turbine trip valve mechanism A trip mechanism for a trip valve is made up of a reset lever and a bell crank operatively connected through a guide stem which is guidingly received in a flange portion of the valve housing. A valve stem and the guide stem are slidably connected to the r... | 04/12/1983 |
| 4298317 | Overspeed safety device In a pneumatically powered grinding machine provided with a flyweight operated speed governor there is incorporated an independently operating overspeed safety device which in case of malfunction of the speed governor is intended to obstruct further motiv... | 11/03/1981 |
| 4278103 | Overspeed control means for pneumatic tools An overspeed control means for pneumatic tools which includes a split ring valve slidably arranged in a circumferential groove formed in a cage member affixed to the rotor shaft of the tool. When the cage member exceeds a predetermined rotational speed, t... | 07/14/1981 |
| 4265604 | Rotary pneumatic tool with valve-closing pin actuated upon overspeed A pneumatic tool includes a fluid motor with a rotor and passages for connecting the rotor with a source of fluid under pressure. A normally open valve is interposed in the passages and movable to a closed position in which it interrupts the flow of fluid... | 05/05/1981 |
| 4195533 | Operative members for use in a quick shut-off apparatus An operative member for a quick shut-off apparatus for steam turbines formed of a non-arcing solid material having a predetermined characteristic value determined by the breaking elongation, breaking stress, modulus of elasticity and specific weight, such... | 04/01/1980 |
| 4184819 | Secondary speed sensor for governed air grinders A speed sensor is attached to the output shaft of the rotary vane air motor. The speed sensor includes a body member which is pivotally mounted at one end on the output shaft for movement about an axis parallel to the shaft axis. The opposite end of the b... | 01/22/1980 |
| 4018302 | Liquid-lubricated roll with anti-flooding barriers A liquid-lubricated roll has an annular roller element rotatably supported by anti-friction bearings on an elongated axle which is longitudinally curved. Liquid lubricant for the bearings is supplied to an annular passageway between the roller element and... | 04/19/1977 |
| 3945199 | Flyweight speed sensor A load on the flyweight transmitted through the pilot valve to preload the thrust bearings of a speed sensor serves to prevent the fuel control for a turbine type of power plant from shifting to its emergency schedule from the starting or normal schedule ... | 03/23/1976 |
| 3932071 | Overspeed saftey control mechanism for rotary tools Overspeed safety control mechanism for shutting off operating air flow to the motor of a rotary surface grinding tool when the motor overspeeds beyond a rated governed maximum, including a circular body rotatable with the motor and carrying a ball valve w... | 01/13/1976 |
| 3930764 | Air tool overspeed shutoff device An overspeed shutoff device for use in a rotary pneumatic tool is disclosed. The device is operable to shut off air supply to the motor on failure of its governor to function properly in preventing overspeeding of the motor. The device includes a valve cl... | 01/06/1976 |
