Open end ratchet socket wrench

Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head

Patent

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Details

81 61, B25B 1300

Patent

active

046049193

ABSTRACT:
An open end ratchet socket wrench has sockets with a slot in the side wall. Teeth on the circumference of the socket engage and cooperate with pawls on the wrench head.

REFERENCES:
patent: 1373180 (1921-03-01), Durgan et al.
patent: 1422121 (1922-07-01), Millen
patent: 2401128 (1946-05-01), Anderson
patent: 2578687 (1951-12-01), Fish
patent: 2691315 (1954-10-01), Brame
patent: 2693123 (1954-11-01), Fish
patent: 3077801 (1963-02-01), Rostad
patent: 3620105 (1971-11-01), Batten

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