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Class Information
Number: 267/70
Name: Spring devices > Elastic extension devices > Compression spring
Description: Structure wherein when the device is extended, the elastic medium is compressed in a line at right angles to its cross-section. If the elastic medium contains coils or bends, the compression is substantially at right angles to the plane of any of the coils or bends.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7350628 |
High force locking spring |
Apr. 1, 2008 |
| 7322568 |
Damping spring for use in agricultural implements |
Jan. 29, 2008 |
| 7281704 |
Damping apparatus for moving furniture parts |
Oct. 16, 2007 |
| 7249776 |
Opposing spring resilient tension suspension system |
Jul. 31, 2007 |
| 6935626 |
Spring assembly |
Aug. 30, 2005 |
| 6773002 |
Compression spring rod |
Aug. 10, 2004 |
| 6679480 |
Wire fastening device and wire extending structure using wire fastening devices |
Jan. 20, 2004 |
| 6431019 |
Low cost, high-strength robotic arm |
Aug. 13, 2002 |
| 6371498 |
Wheel suspension |
Apr. 16, 2002 |
| 6345814 |
Composite progressive accordion spring |
Feb. 12, 2002 |
| 6336626 |
Stirrup suspension |
Jan. 8, 2002 |
| 6173874 |
Carrying system for a self standing golf bag |
Jan. 16, 2001 |
| 5624321 |
Spring-actuated swing device |
Apr. 29, 1997 |
| 5398916 |
Shape-memory metallic alloy damping body |
Mar. 21, 1995 |
| 5333845 |
Damper device |
Aug. 2, 1994 |
| 5232207 |
Spring connector accumulator |
Aug. 3, 1993 |
| 5230407 |
Linkage rod with shock absorbing |
Jul. 27, 1993 |
| 5140927 |
Motion compensation and tension control system |
Aug. 25, 1992 |
| 5118086 |
Elastomeric spring with non-linear force/deflection characteristics |
Jun. 2, 1992 |
| 5066059 |
Drill string compensator with improved transloaders |
Nov. 19, 1991 |
| 5004448 |
Tensioner |
Apr. 2, 1991 |
| 4997171 |
Heavy off-road large vehicle suspension strut |
Mar. 5, 1991 |
| 4993695 |
Flexible strut assembly |
Feb. 19, 1991 |
| 4983144 |
Belt or chain tensioner |
Jan. 8, 1991 |
| 4967681 |
Shock absorber for mooring cables |
Nov. 6, 1990 |
| 4955309 |
Yieldable line assembly and in line shock absorber |
Sep. 11, 1990 |
| 4928764 |
Wireline tool cable head overload apparatus |
May. 29, 1990 |
| 4895351 |
Tension-compression stay with fiber-reinforced synthetic resin material strut |
Jan. 23, 1990 |
| 4796871 |
Gas spring with end position damping |
Jan. 10, 1989 |
| 4756512 |
Heavy off-road large vehicle suspension strut |
Jul. 12, 1988 |
| 4697798 |
Apparatus for lifting equipment |
Oct. 6, 1987 |
| 4681303 |
Shock-absorbent connector |
Jul. 21, 1987 |
| 4653736 |
Spring system having a variable spring characteristic |
Mar. 31, 1987 |
| 4626154 |
Trailer hitch with elastomer in shear cushioning |
Dec. 2, 1986 |
| 4575058 |
Vari-torque bar shock absorber for a racing vehicle |
Mar. 11, 1986 |
| 4488511 |
Shock-absorbent leash for animals |
Dec. 18, 1984 |
| 4456233 |
Tensioning device for chains |
Jun. 26, 1984 |
| 4433831 |
Fence tensioning device |
Feb. 28, 1984 |
| 4183510 |
Spring buffer |
Jan. 15, 1980 |
| 4039021 |
Protective cover for guiding paths of machine tools |
Aug. 2, 1977 |
| 3982730 |
Strut spring compressor |
Sep. 28, 1976 |
| 3952685 |
Tow rope device |
Apr. 27, 1976 |
| 3930345 |
Mobile home resilient frost heave compensators |
Jan. 6, 1976 |
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