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Class Information
Number: 188/36
Name: Brakes > Vehicle > Railway > Wheel and rail > Chock
Description: The brake is applied between the wheel and the rail.










Sub-classes under this class:

Class Number Class Name Patents
188/37 Roller shoe 2


Patents under this class:

Patent Number Title Of Patent Date Issued
8657078 Wheel chock Feb. 25, 2014
8590673 Manual wheel chocks with automatic positive locking Nov. 26, 2013
8567571 Friction rail skate Oct. 29, 2013
8499899 Over-center clamping wheel chocks Aug. 6, 2013
8443945 Vehicle chocking systems and methods of using the same May. 21, 2013
8365875 Tire chock Feb. 5, 2013
8360206 Shopping cart securing structures and method of securing shopping carts Jan. 29, 2013
8317000 Wheel stop made of metal pipe and capable of transmitting power to electric car while being parked Nov. 27, 2012
8307956 Wheel chock system Nov. 13, 2012
8286757 Wheel chock system Oct. 16, 2012
8033367 Seismic and dynamic axial damper applicable to elements preferably having a cylindrical, rectangular or squared section Oct. 11, 2011
8006811 Loading dock wheel restraint comprising a flexible elongate member Aug. 30, 2011
7753177 Wheel chock assembly Jul. 13, 2010
7581623 Stop for equipment positioning Sep. 1, 2009
7273197 Adjustable shopping cart and baby stroller stand Sep. 25, 2007
7264092 Wheel chock restraint system Sep. 4, 2007
7185744 Double wheel chock frame Mar. 6, 2007
7036637 Tire chocking apparatus May. 2, 2006
7032720 Wheel chock restraint system Apr. 25, 2006
7000737 Method and apparatus for securing a shopping cart Feb. 21, 2006
6957722 Vehicle chocking system Oct. 25, 2005
6948593 Wheel chock Sep. 27, 2005
6823969 Braking device for an elevator Nov. 30, 2004
6505713 Tire locating wheel restraint Jan. 14, 2003
6425465 Locking wheel chock apparatus for single tire Jul. 30, 2002
6390245 Wheel chock with handle May. 21, 2002
6290029 Compact adjustable wheel chock assembly for retainment of multi-size wheels Sep. 18, 2001
6203266 Power safety barrier for wheelchair lift Mar. 20, 2001
5887462 Method and apparatus for chocking and locking a vehicular wheel Mar. 30, 1999
5727658 Train wheel roll precluding device Mar. 17, 1998
5685227 Brake assembly for overhead trolley Nov. 11, 1997
5685397 Wheel chock for chocking railroad car wheel Nov. 11, 1997
5473992 Braking apparatus and a drive unit equipped with said apparatus and a linear motor Dec. 12, 1995
5417486 Brake wedge for rail mounted cabinets May. 23, 1995
4934489 Tandem tire brake Jun. 19, 1990
4836337 Vehicle chocking device for flatbed carrier Jun. 6, 1989
4828076 Lock chock for tandem axle wheels May. 9, 1989
4739863 Vat wheel lock Apr. 26, 1988
4679974 Vehicle chock block apparatus for railroad car transport of vehicles Jul. 14, 1987
4674929 Railroad car with chock block apparatus for securing vehicles being transported Jun. 23, 1987
4530184 Sliding type door assembly Jul. 23, 1985
4526499 Rail lock Jul. 2, 1985
4498561 Retractable wheel chock for railway wagons Feb. 12, 1985
4216724 Stop device for stopping a wheeled vehicle Aug. 12, 1980











 
 
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