Pneumatic tool having pressure release device

Details Pneumatic tool having pressure release device Pneumatic tool having pressure release device

2007-07-03

2007-07-03

Rada, Rinaldi I. (Department: 3721)

Tool driving or impacting

Impacting devices

With means for rotating tool

C173S093500, C173S093600, C173S176000

Reexamination Certificate

active

11127598

ABSTRACT:
A pneumatic tool includes a rotor rotatably received in a housing, a driving shank coupled to the rotor, for being rotated by the rotor and by a pressurized air and having one end for driving a fastener. A pressure releasing device may release the pressurized air after the fastener has been tightly threaded onto the object to be fastened. A fluid container is rotatably received in the housing and coupled to the rotor, for partially receiving the driving shank. The driving shank has one or more paddles for being frictionally driven by the container and by the fluid. A pole is slidably engaged through the rotor, and actuated to release the pressurized air when the fastener has been tightly threaded onto the object.

REFERENCES:
patent: 3827834 (1974-08-01), Kakimoto
patent: 5217079 (1993-06-01), Kettner et al.
patent: 6110045 (2000-08-01), Schoeps
patent: 6179063 (2001-01-01), Borries et al.
patent: 6217306 (2001-04-01), Seward et al.
patent: 6334494 (2002-01-01), Nagato

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