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Patent No. 5979328

Vehicular Impact Signaling Device

An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.

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Class 91/217 - Reciprocating piston and cylinder


Subclass of Class 91 - Motors: expansible chamber type
Definition: Apparatus in which the piston partakes of absolute back
No. of patents: 29
Last issue date: 11/18/2003


NumberTitleIssue Date
6648202Pneumatic fastening tool
A pneumatic fastening tool assembly that employs an engine having a sliding sleeve arrangement to control the supply of air to and exhaust from the pneumatic engine. The sliding sleeve arrangement eliminates the need for a conventional main valve and ther...
11/18/2003
5341725Twin piston power cylinder
A power cylinder (10) has two pistons (12, 20) slidably mounted within separate cylinders (14, 22) to define inner and outer chambers (16, 18; 24, 26) within each cylinder. One or more rods (28) are coupled between the pistons. The outer chambers (18, 26)...
08/30/1994
5090201Fluid pressure actuator
The actuator comprises a clutch pedal lever (12) which is pivotally connected to a support (17). The pedal is integral with a cylinder (18) having a piston (20) therein which is connected to a hollow pushrod (28). The pushrod is also pivotally connected t...
02/25/1992
4936192Apparatus operating by means of compressed air
Apparatus operating by means of compressed air, comprising a displaceable cylinder, open at both ends, in which there bears a displaceable piston designed for expulsion of fixing elements fed forward below the piston. The cylinder and the piston are displ...
06/26/1990
4915012Control scheme for apparatus with moveable rail section
A conveyorized transport apparatus has an overhead rail system for transporting articles on a suspended trolley from one location to another. A moveable rail section in the system has a pivotal connection with an adjacent rail section to pivot the moveabl...
04/10/1990
4852745Apparatus for automatically eliminating a group of articles to be treated of which at least one is missing or defective
The present invention concerns an apparatus for automatically eliminating a group of articles to be treated of which at least one is missing or defective in this group, this apparatus comprising essentially a detecting cell located above the articles or c...
08/01/1989
4771674Device for regulating pressure fluid cylinders
A method and device for adjusting pressure fluid cylinders, the fluid being a compressible gas such as air and the cylinder being double-acting and receiving a piston (2). A force transmitting means (12, 20, 24) sensing the load of a cylinder generates a ...
09/20/1988
4686889Variable height column with integral actuating means
A variable height column having a base, a midsection and an upper section. The base includes at least one upwardly extending guide shaft and the upper section includes at least one downwardly extending guide shaft. The midsection includes guide paths and ...
08/18/1987
4681172Cushioning device for use with a pneumatic impact tool or the like
A cushioning device for use with a pneumatic impact tool which utilizes a part of compressed air for driving the piston of the tool as cushioning means and is self controllable....
07/21/1987
4563938Pressure fluid operated percussive tool
A cylinder (15) is reciprocable in the housing (11) of a hydraulic percussive tool and a piston hammer (16) is reciprocable in the cylinder. The force between the cylinder and the housing is constant during the cycle of reciprocation and as a result the h...
01/14/1986
4534716Down hole pump
A positive displacement pump includes a cylindrical housing which is divided in half by a partition. Each end of the housing lies proximate to an end plate to define peripheral inlet openings into each of said halves. Axial outlets and pistons are also pr...
08/13/1985
4526086Piston-cylinder assembly
A piston-cylinder assembly for displacing a load through a long stroke consists of a rod, a piston slidable on the rod and by fluid pressure the piston is clamped to the rod, and a cylinder in which the piston is contained. By clamping the piston to the r...
07/02/1985
4476678Control mechanism for pneumatic apparatus
The control mechanism is for pneumatic apparatus of the kind comprising a piston-and-cylinder motor coupled between two relatively-movable parts (such as door-leaves) for driving them, when energized, to a predetermined relative position. A pilot valve is...
10/16/1984
4438872Dispensing apparatus
Apparatus for repeatedly dispensing measured portions of viscous substances is disclosed. The invention includes a body defining a bore within which is a sleeve defined floating measuring chamber. In the chamber is a sliding piston. Material to be dispens...
03/27/1984
4403551Pneumatically propelled duct motor
A duct motor for carrying drawing ropes and the like through cable ducts consists of two inflatable gripper bags and a telescopic section. The duct motor is driven by compressed air, and operates by one gripper bag inflating, telescopic section extending,...
09/13/1983
4358988Control elements for gearbox ratio selectors in heavy vehicles
A control element is provided for a gearbox ratio selector in a heavy vehicle of the type in which the gearbox ratio selector is operated by means of a pair of pneumatic cylinders having opposite rods and chambers controlled from the handle of the gearshi...
11/16/1982
4355564Pneumatic reciprocating mechanism
A pneumatic reciprocating mechanism comprising a working member (11) reciprocably powered in a housing (10) and forming together with a vibration absorbing reaction support member (12) and an elastic seal element (47) a working chamber (49) which is suppl...
10/26/1982
4351225Vibration attenuation construction for an impact air tool
A vibration and noise attenuating construction for impact air tools, such as a chipper, includes axially reciprocal working and balancing members which move toward and away from each other. The end of one member defines a cylinder and cylinder chamber whi...
09/28/1982
4206605Installation for the power assist of actuating devices in motor vehicles, especially in a hydraulic brake system
An installation for the servo-assist of actuating devices in motor vehicles, especially of a hydraulic brake system, in which a control member, such as the brake pedal, acts on an actuating device, such as a master cylinder of a two-circuit brake system b...
06/10/1980
4182220Push rod assembly
A push rod assembly having a first section and a second section through which an input force is transmitted to an output member. The first section includes a cylindrical member with a bellows attached thereto. The cylindrical member has a bore therein. Th...
01/08/1980
4139015Hydraulic pressure control device for use in automatic transmission
A hydraulic pressure control device for use, for example, in an automatic transmission, in which a line pressure to be supplied from a hydraulic pressure source to a hydraulic pressure servo-device is controlled in three stages by means of a main spool wh...
02/13/1979
4128045System for rotating a control shaft
A system for rotating a control shaft which includes a lever arm attached to the control shaft and having arm members extending radially outwardly from the shaft. A motor having a piston and rod assembly reciprocatively mounted in an outer housing is resi...
12/05/1978
4117764Vibration attenuating device
A vibration attenuating device to be used in conjunction with reciprocating-motion type impact mechanisms having working and stop members that are axially movable relative towards or away from one another. The members define a pressure chamber therebetwee...
10/03/1978
4041839Telescopic ram
A multistage, extensible-contractible hydraulic ram assembly for use in conjunction with a triple-lift-type mast in a lift truck. The assembly is designed for mounting in such a truck in a so-called inverted position. It is constructed with special, exter...
08/16/1977
4023689Conveyor-type, hydraulic-powered, material-spreading apparatus
Discloses a conveyor-type, hydraulic-powered, material-spreading apparatus comprising a material-storage hopper, a conveyor for conveying material from the hopper for spreading same and a hydraulic, power-transfer system comprising two double-acting, hydr...
05/17/1977
4020745Power slide mechanism
A power slide mechanism comprising a supporting frame, a moving frame mounted slidable on said supporting frame, double-acting fluid pressure device including a cylinder, a piston fitted slidably in the cylinder and a respective piston rod fixed to the pi...
05/03/1977
4017110Cylinder and piston assembly
A hydraulic cylinder assembly in which cylinders are separated into two coaxial cylindrical portions sealed hydraulically one from the other, one having an extensible piston therein and the other being extensible together with the extensible piston on a f...
04/12/1977
4003296Stacker crane construction
A stacker crane storage arrangement wherein a tray is supported for reversible extension transversely of a tower which is movable on a track, so as to deposit cargo laden pallets in cells or cubicles of open sides storage grids on both sides of the track....
01/18/1977
3930435Hydraulically powered actuator
What follows is a description of a hydraulically powered actuator for producing a reciprocating output and a method which produces a reciprocating output in response to the controlled flow of a hydraulic fluid. The hydraulic actuator includes, in one embo...
01/06/1976
 
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