Expansible Chamber Devices Patents (Class 92)
- Parallel cylinders (Class 92/12.2)
- Having motor-operated adjustment (Class 92/13.1)
- Flexible wall-type working member (Class 92/13.2)
- Stroke of one working member adjustable relative to another (Class 92/13.3)
- Predetermined discrete incremental adjustment positions (Class 92/13.4)
- Independent adjustment of opposite stroke limits of single reciprocating working member (Class 92/13.5)
- Axial adjustment of spaced, rigidly interconnected working member faces (Class 92/13.51)
- Adjustable abutment positioned within working chamber (Class 92/13.6)
- BY adjusting or limiting motion of relatively movable power transmission element (Class 92/13.7)
- Adjustment means includes external axially extending threaded piston stem (Class 92/13.8)
- With timing or delay means (Class 92/16)
- Engages member coaxial with and rotatable relative to working member (Class 92/17)
- Includes interfitting parts engageable at plural positions including position intermediate stroke limits (Class 92/18)
- Engages power element movable relative to working member (Class 92/20)
- Plural selectively operable actuators for releasable means (Class 92/21R)
- Relatively movable working members with interdependent means (Class 92/22)
- Means includes element interfitting between working member and fixed part (Class 92/23)
- Fluid actuated (27) (Class 92/28)
- Expansible chamber formed by concentric bellows (Class 92/35)
- With non-bellows type expansible chamber (Class 92/36)
- Plural bellows (Class 92/37)
- With separate biasing means (Class 92/40)
- With vibration damping means (Class 92/41)
- With separate ring-like reinforcing element abutting pleat (Class 92/42)
- With stop means to limit axial movement of bellows (Class 92/43)
- With guide means (Class 92/44)
- Superposed peripherally interconnected elements (Class 92/45)
- Specific or diverse material (103) (Class 92/47)
- First working member moves second coaxial working member through separating abutment surfaces (Class 92/62)
- One a flexible wall type (Class 92/64)
- Rigid stem on first working member portion extends through second working member (Class 92/65)
- Moving cylinders (Class 92/66)
- Oscillating working members (Class 92/67)
- Interconnected with common rotatable shaft (Class 92/68)
- Oppositely movable walls of common chamber (50) (69) (Class 92/75)
- Interconnected by linkage having relatively movable members (Class 92/76)
- Biasing means maintains working member intermediate stroke end limits (Class 92/131)
- Tension spring (Class 92/132)
- Adjustable (Class 92/133)
- Fluid spring (Class 92/134)
- Biasing means engages working fluid contacting portion of working member (Class 92/135)
- Bias normally held inoperative by fluid pressure (Class 92/130A)
- Bias other than coil spring (Class 92/130B)
- Bias external of both expanding and contracting chamber (Class 92/130C)
- Plural coil springs (Class 92/130D)
- Lubricant entrained by working fluid (Class 92/154)
- Portion of expansible chamber device includes solid lubricating material (Class 92/155)
- Valve means in lubricant passage (Class 92/156)
- Lubricant passage extends axially through articulated piston rod (Class 92/157)
- Piston has lubricant retaining or conducting means (Class 92/158)
- With rotation imparting fluid impinging surface on piston part (Class 92/173)
- Liquid between axially spaced side wall portions (Class 92/174)
- Spaced faces joined by rigid stem (e.g., spool) (Class 92/175)
- With enclosed insulating space in piston part (Class 92/176)
- Non-circular (Class 92/177)
- With ball or roller anti-friction means on side wall portion (Class 92/178)
- Articulated connecting rod end forms portions of piston face (Class 92/179)
- With fluid passage in piston face (Class 92/181R)
- With ported chamber in piston part for circulating heat exchange fluid (Class 92/186)
- With separable means for pivotally mounting connecting rod to piston (Class 92/187)
- Plural integral radially extending resilient metallic sealing tongues on side wall portion (Class 92/192)
- With spring means for biasing side wall portion radially (Class 92/193)
- Radially adjustable side wall portion (Class 92/201)
- Open-ended hollow skirt type (e.g., trunk type) (Class 92/208)
- Side wall portion includes peripheral axially extending flexible lip (Class 92/240)
- Fluid pressure responsive axial movement of end face portion radially moves side wall portion (Class 92/247)
- Nonmetallic portion (Class 92/248)
- Plural separable parts (Class 92/255)
- Welded, brazed or soldered (231) (Class 92/260)
