Class 188/36 - Chock

Subclass of Class 188 - Brakes
Definition: The brake is applied between the wheel and the rail.
No. of patents: 38
Last issue date: 08/30/2011

Number	Title	Issue Date
8006811	Loading dock wheel restraint comprising a flexible elongate member A wheel restraint for restraining a vehicle at a loading dock includes a flexible elongate member with one end that can be manually wrapped at least partially around at least one of the vehicle's wheels. The other end of the elongate member is connected to an anchor...	08/30/2011
7753177	Wheel chock assembly A wheel chock assembly is provided having a base member extending axially from a top end to a bottom end, first and second support members whose upper ends are pivotally and slidably engaged with respect to the base member, first and second wheel chocks mounted with...	07/13/2010
7581623	Stop for equipment positioning A method for fixedly positioning commercial kitchen equipment is provided. A ramped stop comprises a body having an upstanding front ramp portion having opposing forwardly and rearwardly sloping surfaces for the passage of a wheel therealong, a rear ramp portion ext...	09/01/2009
7299902	Wheel chock for tandem wheeled vehicles A wheel chock, for use with tandem wheeled vehicles, having a pair of generally wedged shaped block members in spaced apart relation that are interconnected by a linkage assembly. The linkage assembly is operatively connected to a handle so as to horizontally displa...	11/27/2007
7284641	Wheel locking system A wheel locking system includes a plate that has an upper edge and a lower edge. A lower housing has a top wall, a bottom wall, a front wall, a back wall, a first lateral side and a second lateral side. The lower edge of the plate extends through the top wall and is...	10/23/2007
7273197	Adjustable shopping cart and baby stroller stand An apparatus for a storage stand for a shopping cart 12 and baby stroller 13 which will keep the shopping cart or baby stroller erect and immobile with a pair of adjustable spring-hinged arms 19 having bungee cords 20 positioned on the ou...	09/25/2007
7264092	Wheel chock restraint system Wheel chock restraint system comprising a wheel chock, a supporting element mounted on the ground near a loading dock and a support assembly connected by one end to the wheel chock and by another end near the loading dock. A base portion of the chock is provided wit...	09/04/2007
7226265	Tire-detecting wheel chock apparatus A wheel chock apparatus includes a chock body for chocking a tire of a vehicle such as a semi-trailer prior to loading or unloading the trailer by a towmotor at a docking bay. When properly positioned, the chock body prevents movement of the vehicle away from the do...	06/05/2007
7226099	Lifting device and panelboard employing the same A lifting device ergonomically and safely lifts an object having an elongated aperture. The lifting device includes a lifting member having a first end with a handle portion for gripping by a user and a second end with an object-engaging portion for securely engagin...	06/05/2007
7185744	Double wheel chock frame A roller system for moving a load a predetermined distance includes a chock frame having a pair of spaced chocks connected between a pair of rigid siderails and a freely moveable roller unit. The roller unit includes a plurality of rollers and is positioned between ...	03/06/2007
7036637	Tire chocking apparatus A tire chocking apparatus consisting of first and second tire chocks, a spreader jack interconnecting the first and second tire chocks; a handle fixedly attached to or formed wholly with the spreader jack, the handle extending upwardly from the spreader jack, the ha...	05/02/2006
7032720	Wheel chock restraint system Wheel chock restraint system comprising a wheel chock, a supporting element mounted on the ground in vicinity of a loading dock and a wheel chock support assembly connected by one end to the wheel chock and by another end in vicinity of the loading dock. A base port...	04/25/2006
6978865	Safety chock A safety chock (16) for large wheeled vehicles. A torque arm component (26, 24, 20, 21) maintains and positions an underside face (37) of a shoe (30) in proper position relative to the travelling surface (14), when moving the chock...	12/27/2005
6957722	Vehicle chocking system A vehicle chocking system includes a control panel positionable within a vehicle for remotely operating the system. The system further includes a housing and a power source for supplying power to the system. The housing includes a motor disposed therein and electric...	10/25/2005
6948593	Wheel chock A self-tightening wheel chock is disclosed for vehicles, such as light aircraft, that can be easily installed and easily removed. The wheel chock can be affixed to a wheel of the vehicle for retention thereof, is weather resistant and lightweight, and will provide a...	09/27/2005
6823969	Braking device for an elevator A braking device acts on a guide rail and consists of a housing that is arranged at an elevator car yoke and serves as a support for spring packets and/or for adjusting packets. The housing also serves as a support and guide for chock guide elements that in turn ret...	11/30/2004
6505713	Tire locating wheel restraint A tire locating wheel restraint for securing a parked vehicle against movement in one direction is provided. The wheel restraint includes a trigger for sensing the position of a tire of the vehicle, and collapsible locking assembly for engaging and restra...	01/14/2003
6425465	Locking wheel chock apparatus for single tire A locking wheel chock apparatus for use with tent trailers, travel trailers and boat trailers having single or dual axles. The chock apparatus functions not only to hold a trailer in position, but also to limit the rocking or rotational movement of tire a...	07/30/2002
6390245	Wheel chock with handle A wheel chock assembly includes a wheel chock having a substantially triangular cross-section and a handle having a lower end detachably secured to the bottom wall of the wheel chock and an upper end having a hand grip secured thereto. The hand grip is di...	05/21/2002
6290029	Compact adjustable wheel chock assembly for retainment of multi-size wheels A novel compact adjustable wheel chock assembly for retainment of multi-size wheels (11) comprising of a one-piece flat rigid base plate (12) having a front-right surface (13), a front-left surface (14), a rear-right surface (15), a rear-left surface (16)...	09/18/2001
6203266	Power safety barrier for wheelchair lift A vehicular wheelchair lift with a power controlled safety barrier for physically blocking a wheelchair from inadvertently rolling off a platform of the wheelchair lift during use. The power safety barrier utilizes a linkage mechanism to open or close a r...	03/20/2001
5887462	Method and apparatus for chocking and locking a vehicular wheel A force multiplier is employed to embed a compression element or elements of a vehicular chock assembly in one or both sidewalls of a tire to effect a positive interlock therewith. The force multiplier is then locked to the chock assembly to maintain the ...	03/30/1999
5727658	Train wheel roll precluding device A train brake device including a chocking member dimensioned for positioning around a train wheel is disclosed. A gear assembly is secured to a rear face of the chocking member. A rail clamping assembly is positioned beneath a rail of a train track and ex...	03/17/1998
5685227	Brake assembly for overhead trolley The present invention relates to a brake assembly, for overhead conveyers of the type which are suspended from and move along a rail and more particularly, a leaf spring brake or wedge assembly for an overhead trolley which wedges two pairs of wheels in a...	11/11/1997
5685397	Wheel chock for chocking railroad car wheel A wheel chock assembly for chocking the wheel of a railroad car including a chock having at least one inclined ramp surface, a bottom surface, and opposite side surfaces. Each one of the opposite side surfaces of the chock contains a bore. A positioner pr...	11/11/1997
5473992	Braking apparatus and a drive unit equipped with said apparatus and a linear motor A small braking apparatus, which is able to completely and suddenly stop a moving portion such as a linear direct current motor at a desired location, is described, together with a drive unit equipped with the braking apparatus. The braking effect is obta...	12/12/1995
5417486	Brake wedge for rail mounted cabinets A brake wedge for rail-mounted cabinets which allows the movement of the cabinets to be automatically or manually prevented. The cabinet includes a number of wheels which are guided by floor-supported rails. The brake wedge has a curved profile and is ope...	05/23/1995
4934489	Tandem tire brake An auxiliary locking brake for tandem tires is formed by upper and lower wedge members centrally joined by a threaded shaft moving the wedge members toward and away from each other for impinging confronting thread surfaces of tandem tires when disposed th...	06/19/1990
4836337	Vehicle chocking device for flatbed carrier A chocking device for restraining a heavy or oversized vehicle against lateral movement relative to the deck of a low bed trailer or the like. The trailer deck is carried, at least in part, by a pair of support members which extend longitudinally of the t...	06/06/1989
4828076	Lock chock for tandem axle wheels A locking chock which is of the character of a ground brake for the fore and aft wheels of a tandem axle vehicle makes use of a separate chock or blocker for each wheel. Each chock has a flat, ground-engaging face and an oblique wheel-engaging face. There...	05/09/1989
4739863	Vat wheel lock A locking assembly for vat wheels mounted in a track includes an air cylinder actuator having a reciprocating piston rod which drives a pivotable rocker assembly. The rocker assembly includes a pair of wheel braces which, in a locking position, cross the ...	04/26/1988
4679974	Vehicle chock block apparatus for railroad car transport of vehicles A railroad car having at least one deck for supporting and transporting four-wheel vehicles such as automobiles and trucks, having a pair of spaced apart first and second parallel tracks, secured to the deck longitudinally of the railroad car, having clea...	07/14/1987
4674929	Railroad car with chock block apparatus for securing vehicles being transported A railroad car having at least one deck for supporting and transporting four-wheel vehicles such as automobiles and trucks; a pair of spaced apart first and second parallel tracks, secured to the deck longitudinally of the railroad car, having clearance f...	06/23/1987
4530184	Sliding type door assembly A sliding type door assembly for a vehicle, includes a guide rail fixed to the body of the vehicle, a door moving along the guide rail between its closed position and rear most open position, a guide follower attached to the door in such a manner that the...	07/23/1985
4526499	Rail lock An improved rail lock for the meat transportation industry has a pair of legs which extend below the rail. The inner surface of one of the legs is substantially flush against a side of the rail. A first clamping means is carried by the other leg and bears...	07/02/1985
4498561	Retractable wheel chock for railway wagons A retractable wheel chock assembly for railway wagons comprises the combination of a wheel chock (12) designed to act on the flange of a wagon wheel, and a friction brake (36) attached to the wheel chock and sliding along a guide rail (3) mounted just out...	02/12/1985
4216724	Stop device for stopping a wheeled vehicle A device for stopping a wheeled vehicle which runs on a guide rail, comprises a scotch block connected to the rail, against which the front wheel of the vehicle can strike. The scotch block in this position fits a part of the outer circumference of the wh...	08/12/1980

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Class 188/36 - Chock