Matches 1 - 50 out of 150 1 2 3 >
Match Document Document Title
7610823 Perpetual bidirectional ratchet  
A two directional traversing mechanism uses a ratchet bar moved by an actuator to oscillate. Notches in the ratchet bar engage a pawl pivotally mounted to a piece of equipment so that the pawl and...
7607370 Crank with clutch and coupler  
A crank including a mechanism capable of connecting the crank arm to a shaft to drive the shaft in rotation in either a unidirectional drive mode or a bidirectionally driving mode, the mechanism...
7544139 Multifunctional pedaling motion bicycle  
An improved multifunctional pedaling motion bicycle, particularly to a transmission mechanism of bicycle includes a clutch member that is manually controlled to move between and selectively engage...
7530932 Upper-body exercise cycle  
An apparatus permitting a user to perform an upper body spinning exercise is provided. The design includes a frame and a drive unit. A seat is connected to the frame and configured to support the...
7069811 Actuation device of an adjusting unit for automotive vehicle seats  
An actuation device of an adjustment unit for automotive vehicle seats has a hand lever and a frame. The frame carries the hand lever and accommodates an output shaft. The hand lever adopts a...
6766581 Cable cutter/crimper mechanism  
A tool for cutting/crimping a workpiece, such as a cable, includes an automatic rapid blade advance such that a blade on a movable jaw of the tool advances toward cutting the cable every time the...
6758111 Continuously variable transmission  
A continuously variable transmission comprising a lay shaft that rotates in response to the input power from the engine. A crank on the lay shaft and a drive rod translate the rotation of the lay...
6732842 Ratchet-type lever mechanism  
A ratchet-type lever mechanism including two ratchet gear wheels and a bifurcated ratchet pawl member for selective meshed engagement with one of the two ratchet gear wheels. The bifurcated ratchet...
6716141 Mechanically actuated scooter  
A mechanized scooter includes a frame, having a front wheel and at least one rear wheel rotatably attached thereto. A pair of steps are rotatably mounted in the frame and linked to a drive train to...
6575278 Drive acting on both sides for adjustment devices  
The invention relates to a drive acting on both sides for adjustment devices, including a rotationally mounted drive lever for producing a rotational movement that can be selectively effected in...
6557678 Transmission  
A transmission assembly comprising an overrunning clutch assembly comprising a race having an inner annular contact surface, a plurality of sprags provided along the inner annular contact surface...
6488134 Step-by-step ratchet mechanism with a silent ratchet  
A step-by-step ratchet mechanism has a mount, a hand lever carried on the mount and pivotable about an axis, and a ratchet provided with a toothed set wheel and with an output shaft rotatable about...
6431052 Power generating apparatus using compressed air  
Provided is a power generating apparatus for obtaining a desired power source from elastic movement of an elastic tube into which compressed air is injected. The elastic pressure receptacle having...
6422348 Transmission wheel, method for manufacturing transmission wheel and self-winding wheel train structure having transmission wheel  
A transmission wheel comprises a gear having a hole and a pinion having a plurality of teeth and being removably mounted in the hole of the gear. The hole of the gear has at least one chord-shaped...
6382043 Transmission assembly for a bicycle having forward/back gear  
A bicycle transmission assembly comprises a gear shifting device and a reciprocating pedal device that are mounted to a bicycle frame. The reciprocating pedal device comprises a reverse gear train...
6308797 Motorcycle transmission shifter mechanism  
A motorcycle transmission shifter assembly including a cam drum having at least two pins extending therefrom, and a shift mechanism engageable with the pins. The shift mechanism includes a tooth...
6296589 Gear engaging stepless speed variator with orientational on-off device  
A gear engaging stepless speed variator having orientational ON-OFF properties of worm transmission for a gear transmission mechanism to realize ON-OFF orientation, so as to achieve stepless speed...
6213487 Helical drive wheelchair  
A wheelchair is provided with a helical drive mechanism. A rectilinear input to the helical drive causes an output gear to rotate, thus providing power to rotate the driving wheels of a wheelchair....
6178838 Adjusting mechanism especially for an automobile seat  
An adjusting mechanism, in particular for seat adjusters in automotive vehicles, includes a drive member having a toothing and being movable in either of two mutually opposite directions. An...
6173981 Pedal-operated vehicle  
The invention disclosed herein is a pedal-operated vehicle comprising: a frame; a front wheel and a rear wheel, the front and rear wheels being rotatably mounted to the frame; first and second...
6062096 Continuously variable transmission utilizing oscillating torque and one way drives  
A transmission utilizes oscillating torque to vary the mechanical power transmitted to a load. An arm assembly is rotatably coupled to a frame. At the ends of the arms are eccentric masses,...
6017046 Wheelchair apparatus  
The invention comprises a drive system for use in association with a wheelchair. The drive system includes at least one input gear system, a structure for powering at least one input gear system,...
5921139 Bicycle shift control device  
A bicycle shift control device includes a first member; a second member rotatably mounted relative to the first member for rotation in first and second directions; a third member rotatably mounted...
5918714 Ratchet mechanism for driving adjustment devices for vehicle seats  
For a ratchet mechanism for driving adjustment devices for vehicle seats, in particular motor vehicle seats, with a control lever (4) that can be swivelled back and forth and a ratchet (6) movable...
5881854 Mechanism for controlling a rotary member by means of a pivoting handle, and a seat fitted with such a mechanism  
The mechanism is to apply drive in both directions of rotation to a ring having an inside set of teeth, the drive being applied by means of a pivoting handle. The ring cooperates with two locking...
5865285 Manual drive operating in both directions to produce a rotary movement, more particularly for vehicle seats  
A manual drive for producing rotary movement in both clockwise and counterclockwise directions includes a drive lever which has a neutral position from which it can move into a first or second...
5860329 Pedaling mechanism for bicycles and the like  
A unidirectional power drive mechanism operated by a plurality of crank arms and associated one-way clutches connecting the crank arms independently to a crankshaft arranged to provide a...
5860321 Power transmission utilizing conversion of inertial forces  
A machine translates torque applied to the input shaft at an input speed (RPM), first into kinetic energy, and finally to torque on an output shaft. The input power is first converted to kinetic...
5794479 Adjusting mechanism  
An adjustable member such as a seat back of a vehicle is connected to an adjustment mechanism which transfers an external mechanical or manual force to the seat back. The adjustment mechanism...
5673594 Speed change lever apparatus for use in bicycles  
The present invention relates to a bicycle speed change lever apparatus which is mounted near the handlebar of a bicycle. A lever apparatus is used for pushing a ratchet member, allowing the...
5662009 Drive mechanism providing an oscillatory-rotational-drive input and a reversible rotational-driven-output  
A drive mechanism provided with a forward and reverse input and a forward and reverse drive whereby a single output-member is caused to produce forward drive from forward-rotation, reverse-rotation...
5577412 Apparatus for converting a reciprocating motion into unidirectional rotation  
The apparatus has the form of a non-self-braking helical mechanism located inside casing (24) and having a driving member (2) and a driven member (1) connected to the driving member (2) through...
5451070 Treadle drive system with positive engagement clutch  
A treadle drive system operates comfortably in a standing or seated position with two toe or heel end pivoting treadles. A flexible drive line (chain, cable, belt, etc.) from each treadle drives a...
5390773 Non-slip bicycle clutch  
A clutch mechanism for use on a conventional bicycle which permits independent actuation of both pedals and provides a driving force through 100% of a pedal stroke. The clutch is generally...
5386745 Motion converting mechanism and rotary tool  
A motion converting mechanism according to the present invention is constructed such that pinions (10, 11) are engaged with a circular arcuate gear (8) for performing reciprocating circular arcuate...
5373759 Method of applying torque to a workpiece  
The invention presented relates to an apparatus for applying rotational force to a workpiece. In general, this inventive apparatus includes a cylindrical driving member which has an opening sized...
5362081 Wheelchair drive system  
A wheelchair drive system is described that operatively interposes a plural-speed hub subsystem between conventional rotatable hand wheels and their corresponding drive wheels, thereby providing...
5353659 Mechanism for converting oscillatory rotation of input shaft to unidirectional rotation of output shaft  
A mechanism is disclosed for converting oscillatory rotation of an input shaft to unidirectional rotation of an output shaft. An input shaft journalled to a frame is rotatable about an input axis,...
5351575 Pumping propulsion system  
The pumping propulsion system relates to a new drive and/or power system for a bicycle/vehicle. Power is applied to the pumping propulsion system by a stepping action from an individual's legs and...
5279209 Rotary machine  
A machine that converts between reciprocating motion of a piston and rotary motion of a shaft. The shaft rotates an integral web that carries a number of lobe wheels spaced evenly about a pitch...
5209506 Vehicle with combined propulsion and steering mechanism  
The rider powered vehicle has two steerable front wheels, each with a turning arm, and a single rear drive wheel. Power transmission means is provided between the rear wheel and a single push-pull...
5167168 Driving gear for a muscle power driven vehicle, such as a wheel chair  
A driving gear for a muscle power driven vehicle, such as a wheel chair, comprising an input shaft drivable by means of a lever, and adapted to be coupled through at least two freewheel clutches to...
5136888 Mechanism for converting oscillatory rotation of input shaft to unidirectional rotation of output shaft  
In a mechanism for converting oscillatory rotation of an input shaft to unidirectional rotation of an output shaft, two bevel gears are mounted around the input shaft and a bevel gear intermeshed...
5088340 Multipurpose transmission mechanism for bicycles  
A multipurpose transmission mechanism for bicycles, including a pair of one-way cranks, a control mechanism, a reciprocating mechanism, and a fixed lock wheel and a chain wheel holder. By means of...
5009132 Torque device  
Device in the nature of a wrench or the like in which reciprocatory rotary motion is converted to continuous rotation in one direction.
4966254 Apparatus for converting extrinsic useless oscillation motions into useful torque  
An apparatus for converting oscillation motions such as those of ocean waves into a constant torque, comprises: a stationary frame 1 fixedly mounted on a floor of an apparatus's carrier such as...
4925199 Drive device  
A drive device for a rotating part, in particular a vehicle axle, has at least one digital mechanical drive having an active wedge and associated drive devices which produce, structurally...
4858483 Lever action wheelchair  
The present invention relates to a torque converter device which is suitable for use incorporated in a wheelchair. The device includes, on each side of the wheelchair, two one-way clutches such as...
4840076 Lever drive apparatus  
An apparatus for propelling a wheeled vehicle which has a hand-manipulated lever that is connected to a clutch assembly. The clutch assembly has a drum that is rotatably connected to the vehicle...
4829841 Rotary driving device  
This invention relates to a rotary driving device, wherein a rotation and an axial movement of an input shaft are imparted to intermediate members as a rotary movement through a torsional...
Matches 1 - 50 out of 150 1 2 3 >