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

Icon_funbox Bizarre Patents

Patent No. 5979328

Vehicular Impact Signaling Device

An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.

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 188/138 - Vehicle


Subclass of Class 188 - Brakes
Definition: The momentum electrically controlled brake is applied to
No. of patents: 21
Last issue date: 10/16/2007


NumberTitleIssue Date
7281612Brake structure for a roll-up door
A brake structure for a roll-up door includes a brake drum fixed to a transmission shaft of a speed reducer. The brake drum receives a pair of brake shoes in opposite inner sides thereof. The brake shoes are pivotably connected to each other at an end of each brake ...
10/16/2007
7114674Electromechanical brake in a slitter
An idler roll brake in a paper handing machine wherein the roll brake employs a brake shoe mounted to the roll end bearing. The brake shoe slides forward to bring the brake shoe against the interior surface of the roll. An electromagnet positioned external to and mo...
10/03/2006
7104370Drum brake assembly
A drum brake assembly which includes a rotatable drum having a radially inner drum braking surface and a brake shoe of single piece construction and of generally circular form mounted within the drum and against a backing plate. The brake shoe includes friction lini...
09/12/2006
7000741Self-boosting electrochemical vehicle brake
A self-boosting, electromechanical friction brake having with a fixed, drumlike brake body in which two rotatable brake rings are disposed, which are rotatable counter to one another via a planetary gear and can be spread apart thereby. As a result of being spread a...
02/21/2006
5791442Magnetic latch mechanism and method particularly for linear and rotatable brakes
Latching mono-stable brakes which are held disengaged from braking surfaces by the energization of electromagnets, and are engaged with the braking surfaces by deenergization of the electromagnets and the magnetic forces of permanent magnets. The brakes a...
08/11/1998
5582275Magnetic latch mechanism and method particularly for trailer brakes
A mono-stable brake system having a mono-stable magnetic array composed of one or more permanent magnets and one or more electromagnets, the stable brake system condition being the brake applied mode in which the magnetic array is magnetically latched by ...
12/10/1996
5443132Magnetic latch mechanism and method particularly for brakes
A magnetic latching mechanism and method having permanent magnets and electromagnets arranged to alternately magnetically latch one member to either of two other members using the magnetic flux of the permanent magnets. The magnetic flux of the electromag...
08/22/1995
5322146Friction brake for vehicles
A disk brake has an electromagnetic friction clutch that is brought into controllable frictional engagement with a brake disk. The friction clutch is in form-fitting rotational engagement with a piston of a clamping device for the friction linings associa...
06/21/1994
4974705Electromagnetic friction brake with improved mounting pins
An electromagnetic friction brake in which a friction pad on an electromagnet frictionally engages a rotating armature disc when the electromagnet is excited. The electromagnet is attached to a fixed mounting member by a pair of pins which project into ho...
12/04/1990
4386684Electric brake magnet
An improved electromagnet assembly is disclosed for use in electrically actuated drum brakes. The electromagnet assembly has a cup shaped stamped metal housing. A center pole is mounted in a central opening in the housing which has stepped edges so as to ...
06/07/1983
4344056Electromagnet with replaceable friction face
The friction face of an electromagnet is formed by a relatively thin sheet of friction material and by magnetic inserts which are secured to the friction material and which define the pole faces of the magnet. The friction face is adapted to be easily rem...
08/10/1982
4216849Electromagnets for brakes and clutches
An electromagnet for brakes and clutches having outer and inner poles and an electrical coil for creating a magnetic field between these poles is provided having a circumferential gap in the forward portion of the outer pole. The gap reduces the flux dens...
08/12/1980
4172242Electromagnet for use with a brake or the like
An electromagnet in which an oblong block of friction material captivates a coil on an oblong plate which is stamped from sheet metal. One pole of the magnet is formed by a stud which is secured to the plate while the other pole or poles either are formed...
10/23/1979
4163586Control system for double-actuator brakes
A brake control system comprising an electric brake or the like having first and second electrically-operated brake actuators adapted for separate actuation, an operator-responsive controller for applying a first braking signal to the first actuator, and ...
08/07/1979
4135607Magnet support for an electric brake
An electromagnetically actuated drum type brake embodying an improved support for the actuating magnet. The magnet is supported by a lever and when energized effects pivotal movement of the lever to actuate the brake. The support between the lever and mag...
01/23/1979
4128146Remote control circuit for electric trailer brakes
A remote control circuit for regulating current to electric trailer brakes as a function of the brake fluid pressure within the tractor brake system or in response to activation of a control arm by the tractor operator. A hydraulic transducer is connected...
12/05/1978
4079804Electronic device for controlling the brakes of a vehicle
The device comprises a magnetic inertia block connected to return means fixedly mounted onto either a pulled vehicle or a pulling vehicle, magnetic transducer positioned adjacent the magnetic inertia block and connected to a current source, treating means...
03/21/1978
4014412Electrically controlled brake with improved anti-rotation bracket for magnet
The electromagnet of an electrically controlled brake is prevented from rotating on its mounting pin by a bracket which also captivates the magnet against axial removal from the pin while leaving the magnet free to pivot and float axially on the pin. The ...
03/29/1977
4004663Electrically controlled brake assembly with non-cocking operating arm
An electrically controlled brake assembly for a vehicle wheel of the type in which an operating arm is mounted between its ends to turn about a pivot on a backing plate and carries at least one electromagnet on one of its ends. Two downwardly projecting t...
01/25/1977
4004262Electromagnet for providing balanced friction face pressures on an armature in a vehicle electric brake system
An electromagnet for use in electric brakes and similar type clutches which will apply balanced friction face pressure against a rotating armature face despite the additional, externally imposed, pressures which are directed to its leading edge by tipping...
01/18/1977
3993173Electrically operated disk brake
Two embodiments of electrically operated disk type brakes. In each embodiment the electric operator includes an electromagnet that is supported contiguous to the rotor and which, when actuated, moves axially into engagement with the rotor and rotates slig...
11/23/1976
 
Sign InRegister
Username  
Password   
forgot password?