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Class Information
Number: 188/309
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 > With manually adjusted valve in hub
Description: Device wherein said shaft is also provided with an element modifying the size of the orifice, which element is manipulated by a person using the device to vary the size of the orifice.

Patents under this class:

Patent Number Title Of Patent Date Issued
8469163 Rotary damper Jun. 25, 2013
8261894 Rotary damper Sep. 11, 2012
7325660 Fluid flow regulation of a vehicle shock absorber/damper Feb. 5, 2008
6899208 Rotary damper May. 31, 2005
4914757 Automatic toilet lid/seat control device Apr. 10, 1990

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