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Class Information
Number: 188/266
Name: Brakes > Internal-resistance motion retarder
Description: Device including a first member attached to a moving mechanism, wherein there is relative motion between the first member and either a medium or a second member, and wherein at least one component of the relative motion is restrained or dissipated by a reluctance to be disturbed that exists within the medium or the second member.


Sub-classes under this class:

Class Number Class Name Patents
188/272 Combined with mechanism retarded by brake 27
188/271 Combined with surface-friction brake 68
188/299.1 Controlled by an operator (e.g., vehicle driver) remote from retarder 52
188/322.19 Cylinder structure 176
188/267.1 Electroviscous or electrorheological fluid 136
188/297 Having a thrust member with a variable volume chamber (e.g., coaxial or telescoping tubes, compensating reservoir) 63
188/321.11 Including means connecting thrust member to load 131
188/322.12 Including protective shield for retarder 74
188/322.16 Including seal or guide 68
188/267.2 Magnetic fluid or material (e.g., powder) 135
188/266.1 Motion damped from condition (e.g., bump, speed change) detected outside of retarder 60
188/270 Operating against ambient atmosphere 13
188/266.7 Piezoelectric 32
188/283 Piston having a restrictable opening (e.g., apertured plate) in a fixed volume chamber 17
188/284 Position of thrust member relative to chamber 97
188/280 Relative speed of thrust member or fluid flow 124
188/281 Resistance alters relative to direction of thrust member (e.g., high resistance in one direction, low in the other) 55
188/322.22 Thrust member or piston structure 194
188/290 Using a rotary-type fluid damper 227
188/269 Using diverse fluids 118
188/267 Using magnetic flux 260
188/322.5 Using viscosity of fluid medium 107
188/268 Using yieldable or fluent solid or semisolid 218
188/322.13 Valve structure or location 147
188/266.8 With failure or malfunction detection 40
188/275 With fluid regulated in response to inertia of valve member 50
188/274 With heat exchanger 39
188/276 With means compensating for change in temperature or viscosity 59
188/300 With means for locking parts together temporarily 200


Patents under this class:

Patent Number Title Of Patent Date Issued
7527849 Honeycomb shock absorber May. 5, 2009
7426983 Landing gear strut damper, and landing gear with independent struts comprising same Sep. 23, 2008
7310978 Drum-type washing machine with elastic oil damper Dec. 25, 2007
7281614 Damper in a washing machine and fabricating method of the same Oct. 16, 2007
7240775 Shock absorber Jul. 10, 2007
7219779 Hydro-pneumatic suspension system May. 22, 2007
7188452 Sleeved bracing useful in the construction of earthquake resistant structures Mar. 13, 2007
7174244 Suspension of a vehicle and method for controlling the same Feb. 6, 2007
7093806 Method and system for decoupling structural modes to provide consistent control system performance Aug. 22, 2006
7046509 Computer controlled display device May. 16, 2006
7005816 Electromagnetic suspension system for vehicle Feb. 28, 2006
6543755 Stacked tetrahedral elastomer mount Apr. 8, 2003
6412606 Damper/positioning structure Jul. 2, 2002
6401883 Vehicle suspension strut having a continuous position sensor Jun. 11, 2002
6386311 Limited independent steering device May. 14, 2002
6374968 Resonant device, such as a striker or load generator Apr. 23, 2002
6374966 Shock absorber assembly Apr. 23, 2002
6206440 Damped mechanical joint assembly Mar. 27, 2001
6148970 Energy absorbing device Nov. 21, 2000
5758455 High pressure servo-mechanism control system for civil or architectural structure Jun. 2, 1998
5603391 Damper valve for power steering coupler Feb. 18, 1997
5549282 Vibration proofing structure Aug. 27, 1996
5520270 Tank structure for holding liquid especially in a spacecraft May. 28, 1996
5445247 Damping unit Aug. 29, 1995
5373920 Horizontally and vertically acting viscous medium vibration damper Dec. 20, 1994
5224668 Torque linkage damper Jul. 6, 1993
5220982 Dampener Jun. 22, 1993
5199537 Abutment with a damping device Apr. 6, 1993
4842106 Rate controllable damping mechanism Jun. 27, 1989
4782919 Supply system for oil dampers Nov. 8, 1988
4762208 Vibration damper for a towed body Aug. 9, 1988
4679664 Blanking impact absorber Jul. 14, 1987
4515845 Pile damper mechanism May. 7, 1985
4440271 Viscous dampening arrangement for taut-band suspension Apr. 3, 1984
4342429 Bobbin holder Aug. 3, 1982
4331077 Printing element with shock absorber feature May. 25, 1982
4270109 Bounce-free lifting device May. 26, 1981
4262778 High-absorption bumper device for vehicles Apr. 21, 1981
4257497 Magnetically triggered and electronically controlled torsion brake Mar. 24, 1981
4241814 Mechanical-hydraulic damper for a load subject to shocks and vibrations Dec. 30, 1980
4235576 Presses Nov. 25, 1980
4205811 Drone landing bag Jun. 3, 1980
4153144 Impact absorbing device May. 8, 1979
4111231 Shock absorber valve Sep. 5, 1978
4109455 Spiral orifice dashpot timer Aug. 29, 1978
4072213 Suspended cable apparatus Feb. 7, 1978
4053943 Technique for damping electronic module printed wiring board Oct. 11, 1977
3948355 Variable retracting device Apr. 6, 1976



 
 
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