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Class Information
Number: 92/166
Name: Expansible chamber devices > With guide or seal on cylinder end portion for piston or member moved by piston > Additional guide is spaced chamber end wall
Description: Apparatus comprising a second guide means positioned in the end of the cylinder opposite the end containing said first guide means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7421782 |
Method for manufacturing internal combustion engine piston |
Sep. 9, 2008 |
| 7343849 |
Cylinder apparatus |
Mar. 18, 2008 |
| 6454241 |
Gate valve and cylinder apparatus |
Sep. 24, 2002 |
| 5974948 |
Linear actuator |
Nov. 2, 1999 |
| 5806314 |
Pressurized cylinder and booster in a low volume pressure circuit |
Sep. 15, 1998 |
| 5778760 |
End cap for intermediate use in cylinder assembly and method |
Jul. 14, 1998 |
| 5701801 |
Mechanically redundant actuator assembly |
Dec. 30, 1997 |
| 5564993 |
Continously-variable-ratio transmission of the toroidal-race rolling-traction type |
Oct. 15, 1996 |
| 5547352 |
Crankshaft driven reciprocating piston pump having plural guide rods |
Aug. 20, 1996 |
| 5495792 |
Double acting hydraulic cylinder with improved lubrication and piston rod guides |
Mar. 5, 1996 |
| 5471909 |
Fluid cylinder |
Dec. 5, 1995 |
| 5417144 |
Power transmission device for linear movements |
May. 23, 1995 |
| 5341725 |
Twin piston power cylinder |
Aug. 30, 1994 |
| 5255591 |
Fluid powered indexing apparatus |
Oct. 26, 1993 |
| 5165322 |
Three position power cylinder |
Nov. 24, 1992 |
| 5098071 |
Die spring apparatus |
Mar. 24, 1992 |
| 5070769 |
Pneumatic linear vibrator |
Dec. 10, 1991 |
| 5014602 |
Hydraulic cylinder unit capable of being set in three positions |
May. 14, 1991 |
| 4939983 |
Fluid pressure operated positioning apparatus |
Jul. 10, 1990 |
| 4940104 |
Power-assisted steering apparatus |
Jul. 10, 1990 |
| 4922805 |
Fluid actuated cylinder |
May. 8, 1990 |
| 4889039 |
Gas compressor with labyrinth sealing and active magnetic bearings |
Dec. 26, 1989 |
| 4771678 |
Piston locking device for double acting hydraulic cylinder |
Sep. 20, 1988 |
| 4685384 |
Fluid actuator including composite cylinder assembly |
Aug. 11, 1987 |
| 4665558 |
Fluid-operated, linear-rotary, robot-like, actuator |
May. 12, 1987 |
| 4602555 |
Preloaded table coupling |
Jul. 29, 1986 |
| 4597322 |
Seal assemblies |
Jul. 1, 1986 |
| 4555979 |
Fluid-powered multiple pistonrod lift unit |
Dec. 3, 1985 |
| 4523515 |
Valve operating cylinder unit |
Jun. 18, 1985 |
| 4522113 |
Device for accommodating bending of a cable |
Jun. 11, 1985 |
| 4499812 |
Servo-motor for power-assisted braking |
Feb. 19, 1985 |
| 4491060 |
Cylinder connection |
Jan. 1, 1985 |
| 4467705 |
Fluid-actuated drive |
Aug. 28, 1984 |
| 4433614 |
Vacuum booster device |
Feb. 28, 1984 |
| 4418611 |
Pneumatic servo booster |
Dec. 6, 1983 |
| 4414881 |
Hydraulic control device |
Nov. 15, 1983 |
| 4397219 |
Brake booster for automotive vehicles |
Aug. 9, 1983 |
| 4337691 |
Valve driving apparatus |
Jul. 6, 1982 |
| 4334459 |
Mechanically controlled vacuum booster |
Jun. 15, 1982 |
| 4328738 |
Vacuum servo booster |
May. 11, 1982 |
| 4291534 |
Servo booster assembly |
Sep. 29, 1981 |
| 4286501 |
Servo boosters for vehicle braking systems |
Sep. 1, 1981 |
| 4255930 |
Power device |
Mar. 17, 1981 |
| 4248138 |
Fail safe locking mechanism for fluid operated valve actuator |
Feb. 3, 1981 |
| 4218960 |
Ram with two-part piston rod |
Aug. 26, 1980 |
| 4185542 |
Actuator with frangible gland construction |
Jan. 29, 1980 |
| 4182221 |
Rack and pinion power steering |
Jan. 8, 1980 |
| 4178838 |
Oil porting system for dual cylinder vibrator |
Dec. 18, 1979 |
| 4160410 |
Marking device utilizing dual rod power cylinder |
Jul. 10, 1979 |
| 4146244 |
Rack and pinion power steering device |
Mar. 27, 1979 |
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