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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 |
| 9 | Flow control means positioned between chambers having a common wall movable with working member |
| 10 | Work member position control |
| 12 | Adjustable throttle (11) |
| 12.1 | DISPLACEMENT CONTROL OF PLURAL CYLINDERS ARRANGED IN PARALLEL, RADIAL, OR CONICAL RELATIONSHIP WITH ROTARY TRANSMISSION AXIS |
| 12.2 | Parallel cylinders |
| 13.1 | Having motor-operated adjustment |
| 13.2 | Flexible wall-type working member |
| 13.3 | Stroke of one working member adjustable relative to another |
| 13.4 | Predetermined discrete incremental adjustment positions |
| 13.5 | Independent adjustment of opposite stroke limits of single reciprocating working member |
| 13.51 | Axial adjustment of spaced, rigidly interconnected working member faces |
| 13.6 | Adjustable abutment positioned within working chamber |
| 13.7 | BY adjusting or limiting motion of relatively movable power transmission element |
| 13.8 | Adjustment means includes external axially extending threaded piston stem |
| 14 | WORKING MEMBER MOVES LOAD AND LATCHING MEANS FOR LOAD |
| 15 | WITH RELEASABLE STOP OR LATCH MEANS TO PREVENT MOVEMENT OF WORKING MEMBER |
| 16 | With timing or delay means |
| 17 | Engages member coaxial with and rotatable relative to working member |
| 18 | Includes interfitting parts engageable at plural positions including position intermediate stroke limits |
| 20 | Engages power element movable relative to working member |
| 21R | Plural selectively operable actuators for releasable means |
| 22 | Relatively movable working members with interdependent means |
| 23 | Means includes element interfitting between working member and fixed part |
| 24 | Element actuated or retained in operative position by relatively movable fluid responsive member |
| 27 | Fluid actuated (28) |
| 28 | Fluid actuated (27) |
| 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 |
| 32 | Working fluid-actuated interengaging means permits unidirectional rotation of element relative to fixed part |
| 33 | Element extends through working member portion |
| 34 | BELLOWS TYPE EXPANSIBLE CHAMBER |
| 35 | Expansible chamber formed by concentric bellows |
| 36 | With non-bellows type expansible chamber |
| 37 | Plural bellows |
| 38 | Non-working liquid moved by first bellows effects movement of second bellows |
| 39 | With common movable wall |
| 40 | With separate biasing means |
| 41 | With vibration damping means |
| 42 | With separate ring-like reinforcing element abutting pleat |
| 43 | With stop means to limit axial movement of bellows |
| 44 | With guide means |
| 45 | Superposed peripherally interconnected elements |
| 47 | Specific or diverse material (103) |
| 48 | PLURAL FLEXIBLE WALL WORKING MEMBERS |
| 49 | Diaphragm type having working fluid contacting areas of different size |
| 50 | Oppositely movable walls of common chamber (69) (75) |
| 51 | MUTUALLY RELATIVELY MOVABLE CYLINDER OR SLEEVE, MEMBER SEALINGLY SLIDABLE THEREIN AND OUTER CYLINDER THEREFOR |
| 52 | Cylinder or sleeve forms working member |
| 53 | With additional cylinder relatively slidable exteriorly of outer cylinder |
| 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 |
| 62 | First working member moves second coaxial working member through separating abutment surfaces |
| 64 | One a flexible wall type |
| 65 | Rigid stem on first working member portion extends through second working member |
| 66 | Moving cylinders |
| 67 | Oscillating working members |
| 68 | Interconnected with common rotatable shaft |
| 69R | Oppositely movable walls of common chamber (50) (75) |
| 70 | Shaft axis parallel to axes of working members (71) |
| 69A | One piston rod passes through opposite piston rod |
| 69B | Single crankshaft offset from center of work chamber |
| 71 | Shaft axis parallel to axes of working members (70) |
| 72 | Shaft axis intersected by axes of working members |
| 75 | Oppositely movable walls of common chamber (50) (69) |
| 76 | Interconnected by linkage having relatively movable 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) |