Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Patent
1990-08-10
1991-04-16
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Handle clutched to head
8117785, B25B 1346
Patent
active
050073117
ABSTRACT:
The slidable driving stud of present invention is usually maintained in position by means of a pin carried by the ratchet wheel and engaging within a longitudinal groove on the slidable driving stud for limiting the movement of the slidable driving stud with respect to the ratchet wheel, the improvement which comprises the longitudinal groove extending from one end to another end of the driving stud; and a pair of spring biased ball detents being mounted on the vertical groove and near each end of the driving stud respectively to block the vertical groove.
REFERENCES:
patent: 1807134 (1931-05-01), Pfauser
patent: 1873472 (1932-08-01), Pfauser
patent: 3638519 (1972-02-01), Rebold
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