Tools – Wrench – screwdriver – or driver therefor – Plural pivoted jaws and handle-lever
Reexamination Certificate
2005-03-08
2005-03-08
Thomas, David B. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Plural pivoted jaws and handle-lever
C081S176300
Reexamination Certificate
active
06862957
ABSTRACT:
A combination tool for assembling and dismantling a lock nut includes a middle column, two clamping blocks, a guide rod, and two links. Thus, the two clamping blocks, the two links and the middle column are interconnected with each other and are moved in concert with each other, so that the distance between the two clamping blocks can be adjusted rapidly and arbitrarily, thereby facilitating the user operating the combination tool.
REFERENCES:
patent: 2052458 (1936-08-01), Froelich
patent: 2403264 (1946-07-01), Cormier
patent: 2476608 (1949-07-01), Kinsey
patent: 3119290 (1964-01-01), Ivie
patent: 3910140 (1975-10-01), Rose
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