Driving device

Details Driving device Driving device

2007-07-03

2007-07-03

Sipos, John (Department: 3721)

Tool driving or impacting

Impacting devices

With means for rotating tool

C173S093500, C173S109000, C173S111000, C081S057000

Reexamination Certificate

active

11006223

ABSTRACT:
A driving unit comprises a pneumatic head for being combined to a pneumatic tool; a front end of the pneumatic head being installed with a push rod; a driving unit having a slender driving rod at a front end thereof; the push rod serving to push the driving unit; an elastomer; a casing having a receiving space; the elastomer being received in an upper end of the receiving space; and the driving unit being received in an upper end of the receiving space and resisting against the elastomer; a rotating unit having an engaging portion at a lower end thereof; the rotating unit being received in a lower end of the receiving space; and an upper side of the rotating unit having a contact portion; the configuration of the contact portion being corresponding to one end portion of the driving unit.

REFERENCES:
patent: 1141650 (1915-06-01), Oldham
patent: 2119968 (1938-06-01), Shaff
patent: 2264012 (1941-11-01), Wasson
patent: 3083598 (1963-04-01), Kinnison
patent: 3478829 (1969-11-01), Bixby
patent: 4319646 (1982-03-01), Emonet
patent: 5826609 (1998-10-01), Watts
patent: 6216562 (2001-04-01), Hsieh
patent: 6370993 (2002-04-01), Pitstick
patent: 6502485 (2003-01-01), Salazar
patent: 2005/0279196 (2005-12-01), Hollar

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