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

Icon_funbox Bizarre Patents

Patent No. 6711769

Pillow with retractable umbrella

A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.

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 188/302 - Rectilinear reciprocation of piston caused by arcuately oscillating frame, shaft, arm, axle, etc.


Subclass of Class 188 - Brakes
Definition: Device wherein a mechanism is connected to the device by
No. of patents: 9
Last issue date: 06/13/2006


NumberTitleIssue Date
7059454One-way braking device
A one way braking device has a first sealed chamber filled with a viscous fluid, a braking rotor being rotably supported within the chamber, a housing or the braking rotor, respectively, coacting with a pinion which in turn cooperates with a tooth rod or a gear or t...
06/13/2006
6540051Damping force device with adjustable damping force
A damping device with variable damping force, including a cylinder, in which a piston rod is arranged axially movably, and an adjustable damping valve which is activated as a function of the compression travel of an axle part. The adjustable damping valve...
04/01/2003
6352143Vibration damping system using a hydraulic damper with a field responsive fluid control
A vibration damping system for absorbing shock loads includes a hydraulic damper containing a piston slidably reciprocating within an oil filled chamber and dividing the chamber into a pair of subchambers. A hydraulic motor is in fluid communication with ...
03/05/2002
6244982Hydraulic chain tensioner with a piston having a plurality of sliding elements
A hydraulic tensioning device for a power transmission system having a belt or a chain includes a cylinder and piston assembly of which a movable element, generally the piston, acts on the belt or chain so as to ensure that it is tensioned and thus ensure...
06/12/2001
6068351Hydraulic braking axle
In a braking axle driven by a wheel of a trailer vehicle, wherein an axle-driven pumping mechnism is used to pressurize a volume of hydraulic fluid in response to a braking command, the fluid pressure activates a turbine which in turn drives a cooling fan...
05/30/2000
5604936Self-lowering toilet seat
An automatic lowering mechanism for a toilet seat comprises a device for translating the rotational movement of the toilet seat into a lateral movement which is used in conjunction with a pneumatic compression cylinder to retard the descent of the toilet ...
02/25/1997
5324065Suspension assembly for a heavy vehicle, in particular for a tracked vehicle
The invention relates to an oscillating arm suspension assembly for a heavy vehicle, in particular for a track vehicle. According to the invention, the oscillating arm comprises a housing receiving firstly a shock absorber of the type in which a semi-soli...
06/28/1994
4768628Shock absorber for a suspension element of a heavy vehicle
A shock absorber having a hollow slide slidably mounted in a fixed member disposed in a sleeve inside the body, separated from the latter by an annular gap and having an opening which communicates with a conduit opening into an a hydraulic chamber. The fi...
09/06/1988
4466803Belt tensioner and method of making the same
A tensioner for a power transmission belt that is adapted to be operated in an endless path and a method of making the same are provided, the tensioner comprising a support unit for being fixed relative to the belt, a belt engaging unit carried by the sup...
08/21/1984
 
Sign InRegister
Username  
Password   
forgot password?