Expansible chamber devices – With releasable stop or latch means to prevent movement of...
Reexamination Certificate
2007-07-10
2007-07-10
Kershteyn, Igor (Department: 3745)
Expansible chamber devices
With releasable stop or latch means to prevent movement of...
C092S018000, C092S131000
Reexamination Certificate
active
11174295
ABSTRACT:
The invention concerns a pneumatic and/or hydraulic actuator. The pneumatic and/or hydraulic actuator is one in which the run of a driving shaft, which is pneumatically operated by a piston, can vary on the basis of the insertion in the body of the actuator or at least one cylinder, so that the body of the cylinder forms a barrier along the run of the driving shaft causing the stoppage of the shaft itself.
REFERENCES:
patent: 2118890 (1938-05-01), Maes
patent: 2689157 (1954-09-01), Di Censo
patent: 3848515 (1974-11-01), Gardineer et al.
patent: 3889576 (1975-06-01), Sheffer et al.
patent: 4116113 (1978-09-01), Leclerc
patent: 4524676 (1985-06-01), Rogers
patent: 4697680 (1987-10-01), Faber et al.
patent: 5048656 (1991-09-01), Braun
Camozzi S.p.A
Costigan James V.
Hedman & Costigan
Kershteyn Igor
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