Class   92	EXPANSIBLE CHAMBER DEVICES
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1

WITH TEMPERATURE COMPENSATION

2

ONE WORKING MEMBER RECIPROCATES AND ANOTHER ROTATES COMMON OUTPUT MEMBER

3

WITH DISENGAGEABLE ROTARY DRIVE FOR MOVING WORKING MEMBER

5R

WITH (1) SIGNAL OR INDICATOR OR (2) INSPECTION WINDOW IN EXPANSIBLE CHAMBER WALL PORTION

6R

EFFECTIVE AREA OF WORKING MEMBER END FACE SELECTIVELY VARIABLE

7

WITH OVERCENTER MEANS TO BIAS WORKING MEMBER IN OPPOSITE DIRECTIONS OVER DIFFERENT PORTIONS OF STROKE

8

WITH MEANS TO CONTROL FLOW OF NON-WORKING ARRESTING FLUID FOR WORKING MEMBER

12.1

DISPLACEMENT CONTROL OF PLURAL CYLINDERS ARRANGED IN PARALLEL, RADIAL, OR CONICAL RELATIONSHIP WITH ROTARY TRANSMISSION AXIS

14

WORKING MEMBER MOVES LOAD AND LATCHING MEANS FOR LOAD

15

WITH RELEASABLE STOP OR LATCH MEANS TO PREVENT MOVEMENT OF WORKING MEMBER

29

WITH RELEASABLE LATCH MEANS BETWEEN WORKING MEMBER AND POWER TRANSMISSION ELEMENT AXIALLY SLIDABLE THEREIN

30

WITH RESILIENT DETENT

31

RECTILINEARLY MOVING WORKING MEMBER AND COAXIAL OR PARALLEL ELEMENT SLIDABLY INTERENGAGED FOR RELATIVE ROTARY MOVEMENT

34

BELLOWS TYPE EXPANSIBLE CHAMBER

48

PLURAL FLEXIBLE WALL WORKING MEMBERS

51

MUTUALLY RELATIVELY MOVABLE CYLINDER OR SLEEVE, MEMBER SEALINGLY SLIDABLE THEREIN AND OUTER CYLINDER THEREFOR

54

ROTATING CYLINDER

58.1

KNOCKDOWN OR FLOW CONDUIT STORAGE OR RETRIEVAL MEANS

59

CONVERTIBLE, OR CHANGEABLE BY ASSEMBLY OR DISASSEMBLY

60

WITH FLEXIBLE OR RESILIENTLY BIASED NON-WORKING MEMBER MOVABLE WALL IN CONSTANT COMMUNICATION WITH WORKING CHAMBER

60.5

SELECTIVE CLEARANCE CONTROL

61

RELATIVELY MOVABLE WORKING MEMBERS

77

GROUND EMBEDDED EXPANSIBLE CHAMBER

78

WITH FLUID PURIFYING MEANS

80

WITH FORCE EXERTING MEANS TO MOVE FLUID FROM NON-WORKING CHAMBER

81

WORKING MEMBER FORMS RESERVOIR FOR NON-COMPRESSIBLE WORKING FLUID

82

WITH MEANS TO CONTROL FLUID FLOW FROM NON-WORKING CHAMBER

83

LIQUID POOL SEALING RELATIVELY MOVABLE CHAMBER WALLS

84

RESILIENT MEANS INTERPOSED BETWEEN WORKING MEMBER AND RELATIVELY MOVABLE POWER TRANSMISSION ELEMENT

85R

WITH CUSHIONING MEANS EFFECTIVE OVER A PORTION ONLY OF STROKE

86

WITH REMOVAL CONDUIT FOR LIQUID SEEPAGE FROM EXPANSIBLE CHAMBER

86.5

PASSAGE IN CYLINDER FOR APPLICATION OF SEPARATE FLUID TO CYLINDER AND PISTON SIDE WALL INTERFACE

87

WITH NON-SEALING CLEANING MEANS

88

SEALED OPENING IN LONGITUDINAL WALL OF CHAMBER FOR RECEIVING WORKING MEMBER PORTION

89

COLLAPSIBLE CHAMBER WALL PORTION (E.G., HINGED OR FLEXIBLE WALL)

106

FLUID CONDUIT IN CONSTANT COMMUNICATION WITH RELATIVELY ROTATABLE WORKING CHAMBER

107

ANNULAR WORKING MEMBER OR ANNULAR LINEARLY EXTENDING CHAMBER THEREFOR

109

PISTON WITH RIGID AXIALLY EXTENDING HOLLOW STEM

116

WITH AXIALLY EXTENDING ELEMENT MOUNTED ON WORKING MEMBER FOR RELATIVE ROTARY MOVEMENT ONLY

117R

MOVING CYLINDER

120

OSCILLATING WORKING MEMBER OR CYLINDER THEREFOR

126

WITH DIFFERENTIAL RADIAL THRUST PRODUCING MEANS FOR WORKING MEMBER

128

WITH ASSEMBLY OR DISASSEMBLY FACILITATING MEANS

129

ABUTMENT CONNECTION BETWEEN WORKING MEMBER AND POWER TRANSMISSION ELEMENT

130R

WITH SEPARATE BIASING MEANS FOR WORKING MEMBER

136

WITH TOOTHED GEAR, SPLINE OR THREAD RIGID WITH WORKING MEMBER

137

WITH FLEXIBLE TRANSMISSION ELEMENT SECURED TO WORKING MEMBER

138

WITH LINKAGE OR TRANSMISSION ENGAGING PORTION INTERMEDIATE SPACED WORKING MEMBER END FACES

139

WITH CYLINDER WALL CONTACTING GUIDE ARTICULATED TO PISTON

140

WITH LINKAGE OR TRANSMISSION HAVING RELATIVELY MOVABLE MEMBERS

141

WITH SEPARABLE FLUID DEFLECTING SHIELD OR BAFFLE ON WORKING MEMBER

142

WITH RESERVOIR FOR NON-COMPRESSIBLE WORKING FLUID

143

WITH MOVEMENT DAMPING MEANS (E.G., FLUID FLOW RESTRICTOR)

144

WITH ENCOMPASSING HEAT EXCHANGE MODIFYING SPACE OR JACKET

145

COMBINED

146

PLURAL UNITARILY MOUNTED CYLINDERS OR FRAME THEREFOR (161)

153

WITH LUBRICATING MEANS

161

WITH SUPPORT OR FRAME (146)

162R

SPACED CYLINDER AND PISTON WALLS DEFINE PASSAGE BETWEEN OPPOSED PISTON SIDE WALL ENDS

163

FLUID CONDUIT OR PORT IN FIXED WALL OF WORKING CHAMBER

165R

WITH GUIDE OR SEAL ON CYLINDER END PORTION FOR PISTON OR MEMBER MOVED BY PISTON

169.1

CYLINDER DETAIL

172

PISTON

261

MISCELLANEOUS (E.G., CRANKCASE)

FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

DIGESTS

DIG1

BEARING ON PISTON OR CYLINDER

DIG2

FLUID BEARING

DIG3

FLEXIBLE DRIVE

DIG4

LOST MOTION