Wrench

Tools – Wrench – screwdriver – or driver therefor – Slidable jaw adjustments

Reexamination Certificate

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Details

C081S124500, C081S178000

Reexamination Certificate

active

06854365

ABSTRACT:
A wrench10including first11and second12jaw members each having first and second gripping portions23for gripping an article to be rotated about a work axis and a leverage portion spaced from the gripping portion, has one or two handles, one handle13being connected to the leverage portion of the first jaw member for pivoting movement relative thereto about a leverage axis parallel to the work axis and the other handle29(where provided) extending from the leverage portion of the second jaw member in the plane of rotation of the first handle, and an engagement mechanism on the handle for movement therewith for engagement with the leverage portion of the second jaw member to urge the first and second leverage portions apart, and a connector14connecting the first and second jaw members and holding them in opposed disposition, the connector being operatively interposed between the respective opposed gripping portions and the opposed leverage portions and being arranged to allow pivoting of the jaw members with respect to each other, the connector being adjustable in length to vary the distance between the gripping portions to suit different sized articles, where the connector is preferably in pivotal engagement with at least one jaw member, and is in the form of a length-adjustable nut and bolt assembly, the nut being in the form of a cylindrical pin having a diametral bore for receiving a length adjustable bolt comprising a sleeve26and a screw27in threaded engagement with a threaded bore extending axially into the sleeve

REFERENCES:
patent: 167085 (1875-08-01), Evarts
patent: 1053891 (1913-02-01), Steinke
patent: 1493741 (1924-05-01), Ellison
patent: 2537838 (1951-01-01), Logan
patent: 6223630 (2001-05-01), Stanton
patent: 6412372 (2002-07-01), Hsu
patent: 767401 (1957-02-01), None
patent: 1403411 (1963-10-01), None
patent: 628301 (1949-08-01), None
International Search Report Nov. 1, 2000.

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