Resources Contact Us Home
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 188/308
Name: Brakes > Internal-resistance motion retarder > Having a thrust member with a variable volume chamber (e.g., coaxial or telescoping tubes, compensating reservoir) > Arcuately oscillating thrust member > Causing fluid flow through hub of thrust
Description: Device wherein said shaft is provided with an orifice extending generally diametrically therethrough for passage of fluid that is moved by said member.

Sub-classes under this class:

Class Number Class Name Patents
188/309 With manually adjusted valve in hub 5

Patents under this class:

Patent Number Title Of Patent Date Issued
8469163 Rotary damper Jun. 25, 2013
8261894 Rotary damper Sep. 11, 2012
7523817 Torsional vibration damper Apr. 28, 2009
7204354 Rotary damper Apr. 17, 2007
6213881 Damper device Apr. 10, 2001
6082507 Rotary vibration damper Jul. 4, 2000
5810129 Rotary damper Sep. 22, 1998
4724936 Fluid-filled bushing with variable damping forces Feb. 16, 1988
4286621 Dual acting check valve dampener Sep. 1, 1981

  Recently Added Patents
LED light source lamp having drive circuit arranged in outer periphery of LED light source
Power generating apparatus of renewable energy type and method of attaching and detaching blade
Method and systems for detecting duplicate travel path
Detection of procedural deficiency across multiple business applications
Management of memory array with magnetic random access memory (MRAM)
Digital display devices and digital projectors with expanded color gamut
Powerline communication device with load characterization functionality
  Randomly Featured Patents
Floatable lighting assembly
Quick release rappel device
Cord leader
Receiver with variable gain elements and automatic gain control to maintain a positive signal to noise ratio margin
Self aligning concrete pipe with configured joint
System for dispensing sheet material, in particular security documents
Support plate made of a foil-like plastic material for a plate-lined floor structure or wall
Alloys of vinylidene chloride interpolymers and olefin polymers
Locking electrical adapter
Device for cutting continuous logs of dough