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Class Information
Number: 267/249
Name: Spring devices > Vehicle > Lever and nontorsion spring > Coil spring > Enclosed spring
Description: Device including a housing which surrounds the spring element.

Sub-classes under this class:

Class Number Class Name Patents
267/250 Plural coaxial coils in enclosure 5

Patents under this class:

Patent Number Title Of Patent Date Issued
7510175 Assisting ejection device for hatch of hatchback Mar. 31, 2009
6978985 Mechanism type non-sectional locking buffer device Dec. 27, 2005
6749187 Shock-absorbing structure formed by plastic material Jun. 15, 2004
6499570 Shock-absorbing device Dec. 31, 2002
6488298 Vehicle wheel suspension Dec. 3, 2002
6412797 Front wheel suspension system for a vehicle Jul. 2, 2002
6186487 Shock absorbing post assembly for crutch and bicycle seat applications Feb. 13, 2001
6161853 Suspension system for vehicles Dec. 19, 2000
5720474 Shock absorbing mechanism of displacement for stick, leg, etc. Feb. 24, 1998
5570896 Bicycle rear wheel suspension Nov. 5, 1996
5044098 Implement interface Sep. 3, 1991
4771989 Apparatus for mounting tubular composite springs Sep. 20, 1988
4564075 Spring-loaded tillage implement Jan. 14, 1986
4225123 Snubber assembly for motor homes Sep. 30, 1980
4078817 Shock absorber attachment for wheelchairs or the like Mar. 14, 1978

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