Pneumatically actuated and controlled device for carrying out op

Details Pneumatically actuated and controlled device for carrying out op Pneumatically actuated and controlled device for carrying out op

1982-02-17

1984-10-30

Yost, Frank T.

Tool driving or impacting

Passage in manipulating handle for drive motor motive fluid

30180, 30228, 81301, 91304, 91421, B23B 4504

Patent

active

044795530

ABSTRACT:
The front end of a handgrip mounts an interchangeable tool-holder for pincer type tools whose opening and closing is controlled pneumatically through a cylinder-piston assembly to which a source of compressed air is supplied. Downstream of the compressed-air source there is a pneumatic circuit for the automatic operation, intermittently at adjustable intervals, of the cylinder-piston assembly. The placing in service and the taking out of service of the pneumatic circuit is controlled by simply obturating and freeing, respectively, an aperture provided in the handgrip and communicating with a bypass duct in parallel with the duct that supplies the compressed air to the cylinder-piston assembly.

REFERENCES:
patent: 3350780 (1967-11-01), Artru et al.
patent: 3372479 (1968-03-01), Fischer
patent: 3563273 (1971-02-01), Mills
patent: 3782246 (1974-01-01), Hilbrands
patent: 4031619 (1977-06-01), Gregory
patent: 4348044 (1982-09-01), Wood

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