Air-tight sealing arrangement of a handy pneumatic power saw

Details Air-tight sealing arrangement of a handy pneumatic power saw Air-tight sealing arrangement of a handy pneumatic power saw

1998-05-22

1999-12-28

Payer, Hwei-Siu

Cutlery

Cutting tools

Saw

302774, B27B 1900

Patent

active

060064358

ABSTRACT:
An air-tight sealing arrangement used in a handy pneumatic power saw comprised of a casing, an actuating member mounted in an actuating chamber in the casing, an end block unit fastened to one end of the casing and coupled to the actuating unit, a saw blade connected to a piston rod of the actuating unit, and a trigger for operation control, the air-tight sealing arrangement including an annular metal member mounted around the piston rod of the actuating unit and retained between an air cylinder of the actuating unit and a front side wall of the actuating chamber of the casing, and a flexible sealing gasket mounted around the piston rod of the actuating unit and retained between the annular metal member and the front side wall of the actuating chamber.

REFERENCES:
patent: 3155011 (1964-11-01), Hyskell
patent: 3832772 (1974-09-01), Sumida
patent: 5218767 (1993-06-01), Wells
patent: 5511912 (1996-04-01), Ellerbrock

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