U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 188/361 - Wheel brake operating assembly


Subclass of Class 188 - Brakes
Definition: Device pertaining to the structure immediately adjacent
No. of patents: 15
Last issue date: 02/19/2008


NumberTitleIssue Date
7331255Method and apparatus for tensioning an emergency brake system on a vehicle
An apparatus and associated method for use in tensioning a park brake cable system includes a body including a housing and an input shaft, the input shaft positioned at least partially within the housing, the housing and the input shaft being axially movable relativ...
02/19/2008
7331254Method and apparatus for tensioning an emergency brake system on a vehicle
An apparatus and associated method for use in tensioning a park brake cable system includes a body including a housing and an input shaft, the input shaft positioned at least partially within the housing, the housing and the input shaft being axially movable relativ...
02/19/2008
7168530Waterproof universal drum brake hydraulic cylinder
The invention discloses an improved drum brake hydraulic cylinder. In a preferred embodiment, the invention discloses an O-ring in an annular groove to seal the cylinder. One specifically disclosed embodiment shows an additional exterior seal over the piston and the...
01/30/2007
6948596Dual-acting band brake
A band brake for retarding the motion of an associated rotatable member. The brake acts to resist motion of the rotatable member through actuation of both of its ends by a cylindrical actuating member. The band is connected with and carried by actuator so as to allo...
09/27/2005
6874600Mounting arrangement for a cable control of a parking brake of a motor vehicle
A cable control which can be mounted in a simple manner in an expanding lock of a braking device for a motor vehicle, a so-called cable slack of the cable end is required in the area of the expanding lock. For eliminating this cable slack again in a simple manner, a...
04/05/2005
6416069Underbeam axle lift assembly
A lift assembly for an axle of the trailer of a semi-trailer or of another vehicle such as a straight truck, is mounted generally adjacent to and beneath each suspension beam of the axle/suspension systems of the trailer or other vehicle. The manner of mo...
07/09/2002
6276500Brake wheel cylinders
A drum brake backplate assembly including a wheel cylinder (30) having a tubular body (31) having an axially extending bore (32) within which two brake shoe operating pistons (33) are in sealed sliding contact to define a working chamber (48) therebetween...
08/21/2001
4907678Air chamber mounting bracket
A cam actuated drum-type brake having an improved mounting arrangement for the power unit that actuates the brake. The actuator for the brake includes a camshaft rotatably journaled within a tube that is affixed to the backing plate and to which is affixe...
03/13/1990
4895227Spring brake unit and its application to a braking system
Braking unit for vehicle, of the type comprising an axial actuating helical spring maintained in release position, against its elastic reaction force, through a screw-nut system rotatively driven by an electric motor, the spring acting upon the brake thro...
01/23/1990
4809588Hydraulic piston and cylinder assemblies
A piston and cylinder assembly for a vehicle hydraulic system has a retaining device comprising an insert acting between a piston and the cylinder bore in which it works, the insert having a releasable frictional engagement in the bore and acting as an ab...
03/07/1989
4781276Hydraulically actuated wheel brake with a built-in pressure control device
A hydraulically actuated wheel brake with a built-in control device comprising a brake piston including two pressure surfaces each of which defines a different one of two working chambers. The pressure fluid inlet is connected directly to one of the two w...
11/01/1988
4306639Disc brake caliper with molded flex piston
A light weight metal caliper housing has cored holes in the cast bore. A nylon bore insert lines the bore side wall. A molded flex piston has hydraulic fittings incorporated as a part of it and the fittings extend through the cored holes. The center porti...
12/22/1981
4227594Backing plate-wheel cylinder retaining clip
A brake assembly includes a backing plate, a pair of brake shoes slidably mounted on the backing plate, and a wheel cylinder supported on the backing plate between contiguous ends of the shoes. A retaining clip attaches the wheel cylinder to the backing p...
10/14/1980
4174026Dash pot for a hydraulic actuator for a drum brake
A drum brake assembly provides a pair of brake shoes which are movable by a hydraulic actuator to a braking position. The hydraulic actuator is carried by a backing plate and the pair of brake shoes is movable relative to the backing plate. A piston is sl...
11/13/1979
4042080Wheel cylinder piston construction
A wheel cylinder piston made of powdered metal is provided with a through hole and a steel or powdered metal insert of hard metal received in and fills the hole. The hardened insert acts directly against a tang of the brake shoe, eliminating the need for ...
08/16/1977
 
Sign InRegister
Username  
Password   
forgot password?