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Methods and apparatus for reducing the velocity of a rider in or on an open cockpit vehicle when the rider is thrown from the vehicle.

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Class 74/836 - Changing the extent of eccentricity


Subclass of Class 74 - Machine element or mechanism
Definition: Mechanisms having means to vary the amount of eccentricity.
No. of patents: 23
Last issue date: 06/01/2004


NumberTitleIssue Date
6742441Continuously variable displacement pump with predefined unswept volume
Apparatus and method for controlling an unswept volume in a piston system. The method includes rotating a shaft around a rotation point to drive a piston within a cylindrical volume in a periodic manner, modifying the stroke length of the piston, and moving the cent...
06/01/2004
6606935Variable rate pump
A rotational power input is converted into a linearly oscillating power output through the use of counter-rotating nested eccentrics. The outer eccentric is connected to an input end of a connecting rod, which is in turn connected at an output end thereof...
08/19/2003
5588339Adjustable stroke drive for a displacement piston pump
A stroke drive, particularly for displacement piston pumps, has a first eccentric (8) on which a second eccentric (9) is mounted. A push rod bearing (10) is connected to the second eccentric (9). The eccentrics (8, 9) are connected to each other by way of...
12/31/1996
5340285Motor pump assembly with variably set eccentric
The present invention relates to a drive assembly, in particular a motor pump assembly for slip-controlled brake systems, with a device for transforming rotatory into translatory movements, including a drive shaft which is movably guided in a housing, and...
08/23/1994
5333351Wiper system
To allow compact design of a wiper system equipped with a wiping angle varying assembly which comprises an actuating motor, an eccentric cam member provided in a path of transmitting the movement of the output end of a wiper motor to a wiper arm, and a co...
08/02/1994
5239893W-mechanism and radial-plunger-type hydraulic pressure apparatus incorporating such W-mechanism
A radial-plunger-type hydraulic pump or motor includes a W-mechanism comprising a first internal gear relatively rotatably mounted on a main shaft, an external gear rotatably mounted on a supplementary shaft and held in mesh with the first internal gear, ...
08/31/1993
5226859Continuously or infinitely variable transmission free of over-running clutches
An oscillating rachet style continuously or infinitely variable transmission is disclosed herein, that is, one which, in its operation, relies on a plurality of different successive intermediate rotations that vary in speed and direction in accordance wit...
07/13/1993
5201094Wiper apparatus with adjustable limit positions
A wiper apparatus for a vehicle windshield having a linkage pivotably attached to a main driving lever. Linkage is also coupled to a motor to rotate main lever for rotating a main shaft limit positions for selecting resting place of wiper blade. An eccent...
04/13/1993
5105684Crank driving device for press
A crank driving device for a press designed in serial type eccentric structure. An eccentric element of crankshaft connected to a connecting rod, and an eccentric mechanism to provide a second eccentricity, are separated in the axial direction of the cran...
04/21/1992
4858815Friction welder mechanism
A mechanism for use in linear friction welding has a drive-shaft (10) rotatable about a first longitudinal axis (12). An eccentric portion (10A) for locating a cam member (18) has a second longitudinal axis (16) spaced a distance d from the longitudinal a...
08/22/1989
4739676Drive for a machine for the manufacture of an electrode-workpiece by means of a form grinding tool of a similar spatial shape
A transmission is provided for a machine that manufactures a workpiece, later to serve as an electrode, by means of a form grinding tool. The tool has a similar spatial shape to that of the workpiece. The drive generates between the tool and the workpiece...
04/26/1988
4730419Table feed apparatus
A grinder wheel table feed apparatus converts rotation of a table driving motor into reciprocation movement of a grinder wheel table through a ball-screw mechanism to thereby impart a traverse movement to the grinder wheel table between a non-working posi...
03/15/1988
4688354Table feed apparatus
A grinder wheel table feed apparatus which converts a rotation of the table driving motor into a reciprocation movement of the grinder wheel table through a ball-screw mechanism and exerts a traverse movement to the table between a stand-by position and a...
08/25/1987
4502813Asphalt laying machine
The asphalt laying machine comprises a rear body divided into sections with smoothing and compacting units suspended through vibration dampers in the frame. Each unit comprises an intermediate part and a smoothing part interconnected by means of a rear sh...
03/05/1985
4485693Eccentric-operated vibrating apparatus
A vibrating apparatus e.g. for shaking the forming wire of a paper machine, comprising a body (1) and a drive shaft (2) rotatably mounted in the body. The drive shaft supports an eccentric bushing (3) displaceable along but nonrotatably fixed to said driv...
12/04/1984
4387566Independently variable phase and stroke control for a double acting Stirling engine
A phase and stroke control apparatus for the pistons of a Stirling engine includes a ring on the end of each piston rod in which a pair of eccentrics is arranged in series, torque transmitting relationship. The outer eccentric is rotatably mounted in the ...
06/14/1983
4378707Indexing apparatus
An indexing apparatus operated by a unidirectionally rotating drive shaft. The drive shaft and a driven member are rotatingly supported by a base in a spaced apart manner. An interconnecting link extends between the drive shaft and the driven member and i...
04/05/1983
4344332Load bearing oscillator drive
A drive to reciprocate a vertical support member such as a shaft includes a journal support assembly which carries a lower end of the shaft while allowing rotational movement of the shaft. Located above the support assembly and attached to the vertical me...
08/17/1982
4311065Paper tape punch assembly
The drive mechanism for a paper tape punch and reader assembly utilizes tape drive assemblies which move the paper tape in response to the application of continuous periodic motion and control signals. The periodic motion serves to oscillate a rocker plat...
01/19/1982
4249424Variable throw eccentric
The invention achieves a method and a device for providing infinitely variable adjustment to the throw of an eccentric from zero to a maximum while the eccentric is permitted to continuously travel in angular motion. This is achieved by two juxtaposed and...
02/10/1981
4138904Link drive mechanism for mechanical presses
A link drive mechanism for vertically moving the slide of a mechanical press comprises a power driven eccentric unit carried by a horizontal shaft arranged substantially vertically above the connecting means for the slide and having first and second adjac...
02/13/1979
4022082Driving apparatus for oscillation of a mold within a continuous casting machine
The present invention relates to a driving apparatus for oscillation of a mold within a continuous casting machine and includes an eccentric shaft, having an eccentric shaft portion, rotatably mounted upon a frame, and an eccentric sleeve mounted upon the...
05/10/1977
3986603Drive mechanism for shaker conveyors and the like
A drive mechanism for a shaker conveyor is disclosed in which a drive unit is supported on a mounting beam and has an output crank connected through a pull rod to a conveyor trough such that the puller rod undergoes movement in a plane substantially paral...
10/19/1976
 
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