Expansible chamber devices – One working member reciprocates and another rotates common...
Patent
1993-12-03
1995-04-18
Denion, Thomas E.
Expansible chamber devices
One working member reciprocates and another rotates common...
92 52, 91 61, F01B 2100
Patent
active
054068770
ABSTRACT:
A steering/lifting appliance (10) for a hydraulic or pneumatic axle compensation appliance configured as a two-circuit system, having a first external jacket tube (12), a second jacket tube (15) inserted in a pressure-tight manner in the first jacket tube (12) and supported so as to be longitudinally displaceable, a piston device (16) present in a pressure-tight manner in the second jacket tube (15) and supported so as to be longitudinally displaceable, a first closed chamber system to which admission can occur from the outside for controlling the relative displacement between the second jacket tube (15) and the first jacket tube (12) and a second closed chamber system to which admission can occur from the outside for controlling the relative displacement between the piston device (16) and the second jacket tube (15) features a torsion device (40) supported in an end region of the piston device (16) and longitudinally displaceable relative to the piston device (16), which torsion device (40) is in engagement with a second skirt profile (34) of the second jacket tube (15) surrounding the wall of the piston device (16) at least regionally, in such a way that turning of the torsion device (40) effects turning of the second jacket tube (15).
REFERENCES:
patent: 3386340 (1968-06-01), Engle
patent: 3808953 (1974-05-01), Herbst
patent: 3815479 (1974-06-01), Thompson
patent: 3973468 (1976-08-01), Russell, Jr. et al.
patent: 5099749 (1992-03-01), Darish
PHD Multi-Motion Activator pp. 2-3 Dec. 1086.
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