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Class Information
Number: 91/356
Name: Motors: expansible chamber type > Cutoff after single complete cycle > Reversal responsive to motive fluid pressure change
Description: Apparatus in which the working member of the motor is reversed to operate through the return stroke by means responsive to an increase or decrease in the pressure of the motive fluid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6422121 |
Hydraulic system |
Jul. 23, 2002 |
| 5875629 |
Return valve for a hydraulic system |
Mar. 2, 1999 |
| 5653369 |
Fastener driving device with improved control valve assembly and trigger sensitivity adjustment |
Aug. 5, 1997 |
| 5595148 |
Hydraulic valve control device |
Jan. 21, 1997 |
| 4907490 |
Vehicle climate control apparatus |
Mar. 13, 1990 |
| 4736670 |
Remotely operated fluid power control system for automotive vehicle |
Apr. 12, 1988 |
| 4550643 |
Fastener driving tool |
Nov. 5, 1985 |
| 4478131 |
Electro-pneumatic door control apparatus |
Oct. 23, 1984 |
| 4409886 |
Self-returning cylinder |
Oct. 18, 1983 |
| 4367763 |
Four-way directional valve |
Jan. 11, 1983 |
| 4341148 |
Hydraulic sequencing valve |
Jul. 27, 1982 |
| 4320707 |
Clip-applying machine |
Mar. 23, 1982 |
| 4300584 |
Hydraulic sequence valve |
Nov. 17, 1981 |
| 4275793 |
Automatic control system for rock drills |
Jun. 30, 1981 |
| 4206685 |
Hydraulic turning device for a turn plow |
Jun. 10, 1980 |
| 4202433 |
Tool protection arrangement for hydraulic presses |
May. 13, 1980 |
| 4192414 |
Hydraulic press tool protection arrangement |
Mar. 11, 1980 |
| RE29527 |
Safety for fastener driving tool |
Jan. 31, 1978 |
| 4068561 |
Pre-determined pressure system |
Jan. 17, 1978 |
| 4022109 |
Automatic directional control valve |
May. 10, 1977 |
| 4004116 |
Pneumatic cylinder for controlling electrical switch operation |
Jan. 18, 1977 |
| 3980336 |
Safety valve for tailgates or the like |
Sep. 14, 1976 |
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