Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Reexamination Certificate
2007-10-09
2007-10-09
Hail, III, Joseph J. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Handle clutched to head
C081S058300, C081S177600, C081S177700, C403S092000, C403S097000
Reexamination Certificate
active
11206833
ABSTRACT:
A ratchet wrench includes a head having an engaging portion for mounting an object and a through hole which includes an engaging inner periphery and a smooth inner periphery, and is closed by a bottom plate with a central hole. A movable member is movably received in the second through hole and includes a driving section and a connection section. An operation portion includes a handle and a mounting portion which has a connection recess so as to be engaged with the connection section of the movable member. The driving section of the movable member is removably engaged with the engaging inner periphery. By moving the movable member relative to the mounting portion, the handle can be selectively rotated freely or co-rotated with the head.
REFERENCES:
patent: 3283622 (1966-11-01), Wilson
patent: 4530262 (1985-07-01), Pownall
patent: 5168601 (1992-12-01), Liu
patent: 5492040 (1996-02-01), Bellas
patent: 5943925 (1999-08-01), Huang
patent: 6186033 (2001-02-01), Faro, Sr.
patent: 6401576 (2002-06-01), Wu
patent: 6895839 (2005-05-01), Hsien
patent: 2003/0159549 (2003-08-01), Rocco
patent: 2004/0179891 (2004-09-01), Watkins et al.
Hail III Joseph J.
Muller Bryan R.
Rosenberg , Klein & Lee
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