Interchangeably manual or automatic ratchet wrench tool

Details Interchangeably manual or automatic ratchet wrench tool Interchangeably manual or automatic ratchet wrench tool

2007-05-04

2008-11-04

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S058100, C081S063100

Reexamination Certificate

active

07444902

ABSTRACT:
The present invention relates to an interchangeably manual or automatic ratchet wrench that the user may couple an electric hand grip having a motor therein to the rear end of a stud member of a handle so as to urge a cartridge to rotate in an electric operation manner, or couple a manual hand grip to the rear end of the stud member of the handle so as to urge the cartridge to rotate in a manual operation manner, such that achieving a multi-purpose operation.

REFERENCES:
patent: 2808749 (1957-10-01), Lampke
patent: 6311584 (2001-11-01), Chu
patent: 7069818 (2006-07-01), Huang

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