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Patent No. 5205055

Pneumatic Shoe Lacing Apparatus

This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.

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Class 60/491 - Having common or intercontrolled adjuster actuating means


Subclass of Class 60 - Power plants
Definition: Apparatus including a mechanism that simultaneously or in
No. of patents: 40
Last issue date: 08/28/2007


NumberTitleIssue Date
7261305Occupant-propelled fluid powered rotary device, truck, wheeled platform, or vehicle
An occupant propelled device having at least one hydraulic cylinder, a platform and a housing. The at least one hydraulic cylinder has at least two chambers in fluid communication. The platform is attachable to the at least one hydraulic cylinder, such that upon mov...
08/28/2007
7222680Pneumatic motor improvements and pneumatic tools incorporating same
A pneumatic motor having a motor chamber having an inner surface with an eccentric longitudinal axis, a motive gas fluid inlet, and at least one end wall located transversely to the longitudinal axis with an exhaust aperture located therethrough. A rotor is rotatabl...
05/29/2007
6575055Transmission and transaxle casing
A housing for a hydrostatic transaxle is provided wherein the housing has a chamber in which is disposed a hydrostatic transmission and a chamber in which is disposed an axle shaft that is engaged to the hydrostatic transmission. The housing is also provi...
06/10/2003
6397594Hydrostatic transmission
A hydrostatic transmission design incorporating a unique housing shape and configuration, including a vertical split of the two casing elements, which are shaped to conform to the internal components of the transmission. The center section of the transmis...
06/04/2002
6385959Gas turbine engine with increased fuel efficiency and method for accomplishing the same
An engine having a casing and a compressor disposed within and rotatably coupled to the casing for generating pressurized gas. A primary combustion chamber disposed within the casing downstream of the compressor receives a primary portion of the gas gener...
05/14/2002
6385970Underspeed control system for a hydromechanical drive system and method of operating same
An apparatus for controlling load on an engine is disclosed. The apparatus includes a continuously variable transmission driven by the engine. The apparatus further includes an engine speed sensor being adapted to sense the output speed of the engine and ...
05/14/2002
6223531Housing and center section for hydrostatic transmission
A hydrostatic transmission design incorporating a unique housing shape and configuration, including a vertical split of the two casing elements, which are shaped to conform to the internal components of the transmission. The center section of the transmis...
05/01/2001
5996343Overspeed control system for a hydro-mechanical drive system
In one aspect of the present invention, an apparatus for controlling the negative load of an engine is disclosed. The engine is drivingly connected to a hydro-mechanical drive system that includes a variable displacement pump and motor. An engine speed se...
12/07/1999
5956953Concentric radial piston transmission with flexible cam ring
An infinitely variable hydrostatic transmission includes a radial piston pump having outwardly opening pump cylinders containing radial pump pistons, and a radial piston motor, arranged concentrically around the pump, having inwardly opening motor cylinde...
09/28/1999
5689956Hydraulic variable speed drive
A hydraulic variable speed drive assembly including a hydraulic pump having a cylinder with an associated end cover, a hydraulic motor having a cylinder with an associated end cover, and an intermediate plate with ports or passages for enabling a flow of ...
11/25/1997
5657629Method of changing speed and torque with a continuously variable vane-type machine
A continuously variable transmission comprises a housing, an input shaft, an output shaft. The input shaft is coupled to a vane rotor of a vane-type pump having radially extending pump vanes driven by the pump rotor around a pump working volume between tw...
08/19/1997
5659485Discharge flow control system and method in hydraulic pump
A discharge flow control system and method of a hydraulic pump driven by an engine for the minimization of the difference between a discharge mount of flow in the pump and total mount of operating oil necessary to operate each actuator in hydraulic equipm...
08/19/1997
5655370Vane-type continuously variable transmission
A continuously variable transmission includes a housing in which input and output shafts are journaled for rotation. Both input and output shafts have torque couplings for connection to drive shafts of a prime mover and a driven load such as the drive axl...
08/12/1997
5582007Method for smooth hydrostatic pump/motor transitions
A method is disclosed for providing a smooth power transition between a variable displacement pump and a variable displacement motor when a mechanical feedback is not provided. The method includes sensing and comparing the speeds of the variable displacem...
12/10/1996
5561979Control arrangement for a hydrostatic system
In many hydrostatic systems, the variable displacement pump is controlled by an operator moving a directional control valve to provide pressurized fluid to the displacement changing mechanism thereof which in turn varies the displacement responsive to the...
10/08/1996
5540051Control mechanism for hydrostatic-mechanical power transmission system
A control mechanism for a hydrostatic-mechanical power transmission system having a mechanical transmission unit driven through an input shaft connectable to a power source, and a hydrostatic transmission unit that is connectable to the input shaft and in...
07/30/1996
5531072Continuously variable hydrostatic transmission having swashplate-mounted cylinder blocks
A hydrostatic transmission includes wedge-shaped swashplate operatively positioned between a hydraulic pump unit driven by an input shaft and a grounded hydraulic motor unit to accommodate pumped exchanges of hydraulic fluid between the units. The swashpl...
07/02/1996
5485725Continuously variable transmission
A continuously variable transmission employing a vane pump and a vane motor has a mechanism for mutually moving housings of the vane pump and the vane motor or for moving each independently. The mechanism can gradually decrease the eccentricity of the int...
01/23/1996
5423183Hydraulic machine with wedge-shaped swashplate
A continuously variable transmission includes a pump (258) driven by an input shaft (256) against a wedge-shaped swashplate (260). Hydraulic fluid pressurized in the pump flows through ports (402) in a pump cylinder block (422) into kidney-shaped slots (4...
06/13/1995
5243822Hydraulic rotary pump-turbine as a torque converter
A variable flowrate and variable pressure oil operated hydraulic rotary pump turbine, having radial blades, comprised of an oil tight casing (1) full of fluid, holding therewithin a rotor (2) provided with slots wherein blades (3) are slidably mounted. Th...
09/14/1993
5184466Control and regulating device for a hydrostatic transmission
The invention relates to a control and regulating device for a hydrostatic transmission which comprises a reversible hydraulic pump that can be driven by a driving motor, at least one hydraulic motor that is connected via two working lines to the hydrauli...
02/09/1993
5092153Apparatus for controlling variable delivery hydraulic motor upon hydraulically operated vehicle
There is disclosed an apparatus which controls a variable delivery motor installed on a hydraulically operated vehicle in such a way that the maximum vehicle speed can be continuously varied without sacrificing the performance of the nonstep variable spee...
03/03/1992
5078659Variable speed transaxle
A transaxle driving apparatus for a small-sized vehicle such as a grass-mowing lawn tractor, formed from a two-piece housing to encapsulate a hydrostatic transmission with associated reduction gearing and mechanical differential member. One housing elemen...
01/07/1992
5018351Hydromechanical drive
A hydromechanical drive wherein a prime mover drives an input shaft which, in turn, can drive a coaxial output shaft by way of a clutch or transmission having one or more axial piston pumps. The pressure and/or rate of fluid flow in the pump or pumps is a...
05/28/1991
4995276Tracked vehicle drive system
A drive system includes a vehicle propulsion drive having a speed change gear box which drives tracks through a pair of planetary gears and a steering drive having a pair of variable hydrostatic drives. The hydrostatic drives engage a neutral shaft which ...
02/26/1991
4951462Hydrostatic transmission with motor start control system
A closed-loop hydrostatic transmission is disclosed of the type with a fluid pump (10) and a fluid motor (12), both of which are variable displacement. A pair of stroking cylinders (36,38) varies the displacement of the motor between minimum displacement ...
08/28/1990
4793138Hydrostatic drive with radially-nested radial-roller pump and motor having common displacement control ring
An adjustable hydrostatic drive, particularly for the auxiliary units of motor vehicle internal combustion engines, has a pump/motor unit (2, 3) with the pump and motor arranged radially one within the other in a common housing (1) with an eccentric contr...
12/27/1988
4716726Adjustable rotary vane pump
An adjustable rotary vane pump for changing the direction and rate of fluid flow through the pump. The pump comprises a first pump housing having a generally cylindrical chamber therein along a central axis of the housing. A second housing is provided hav...
01/05/1988
4713982Integral gear box and electrical generating system
Reductions in weight, frontal area and overhang moment in an aircraft engine gear box and electrical generating system are achieved in a construction including a gear box housing 20 provided with an input shaft 16 connectable to a power take-off 12. A dif...
12/22/1987
4679396Engine control systems
Engine BMEP being a major contributor to the gap between conventional automobile road fuel mileage and the theoretically possible, indicates the desirability of a continuously variable road wheel/engine speed ratio. There is described a double swash plate...
07/14/1987
4646521Hydroversion
A continuously variable hydraulic transmission composed of two variable displacement rotary vane pumps. Where the inner rotor of one pump is driven by the input shaft and the inner rotor of the other pump is held stationary by the supporting framework, bo...
03/03/1987
4627237Hydrostatic transmission with fixed fluid capacity ratio between pump and motor
The present invention is directed to a compact, lightweight and inexpensive hydrostatic transmission which in the preferred form has a variable displacement and reversible pump placed in side-by-side relationship with a fluid motor and wherein the transmi...
12/09/1986
4598546Wide range rotary gear hydrostatic transmission
A transmission device for mechanical power having continuously variable drive ratio and the capability for a wide ratio range is inherently simple in mechanical construction thru use of a rotary gear pump which hydraulically drives a rotary gear motor. Pu...
07/08/1986
4546990Hydraulic drive system for bicycles and the like
A hydraulic drive system and a bicycle having such system as its drive train, the system including a pump, preferably a vane pump, operably connected to the bicycle pedal crank, the pump delivering pressurized fluid to a hydraulic motor operably connected...
10/15/1985
4545204Infinitely variable tandem transmission
A hydraulic transmission with infinitely variability comprising a pair of identical cages in mirror image configuration containing radial slots, radial and axial vanes within the slots and camming surfaces to reciprocate the radial and axial vanes over th...
10/08/1985
4493189Differential flow hydraulic transmission
An axial piston-type transmission in which a group of axially displaced pump pistons, that move in a cylinder block rotated by an input shaft, slidably engage one surface of a swash plate that rotates an output shaft. A group of axially displaced motor pi...
01/15/1985
4203293Controls for combined hydrostatic and multiple speed range transmission units with automatic speed control and braking functions
A drive train includes a hydrostatic transmission unit and a multiple speed range transmission unit arranged in series between a prime mover and a primary output shaft, variable displacement and torque transmitting capacity of the hydrostatic transmission...
05/20/1980
4109466Hydraulic transmission
A co-axial co-planar combined hydraulic vane pump and motor having an interposed annular unitary common connecting element functioning as both pump stator and motor rotor and subject to manipulation as a unit to vary the speed ratio between said pump and ...
08/29/1978
4108265Hydrostatic-transmission control system, especially for lift and other industrial vehicles
A hydrostatic-transmission control system for fork-lift trucks and like industrial vehicles has a pair of variable-displacement hydrostatic motors driving respective wheels on opposite sides of the vehicle and supplied by pump means having a control eleme...
08/22/1978
4008982Rotary fluid energy converter
A mechanism with only two dynamic components, in which rotating crank motion is converted to intermittent rotation of an elongate rotor within a generally triangular chamber and vice versa. When the rotor and chamber are enclosed, the mechanism becomes a ...
02/22/1977
 
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