Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Patent
1990-01-22
1991-01-22
Schmidt, Frederick R.
Tools
Wrench, screwdriver, or driver therefor
Handle clutched to head
811771, 16116R, B25B 1346
Patent
active
049861476
ABSTRACT:
A ratchet wrench in which the body and an integrally formed handle are of molded plastics material. The body includes a head formed with an opening which contains the ratchet mechanism. A metal bar embedded in the handle during the plastics molding process substantially enhances the physical strength of the wrench, and metal clamp plates overlying and seated in recesses in opposed principal surfaces of the wrench are bolted to each other, and are coupled to internal core components in the head of the wrench to secure the ratchet mechanism in place. The metal bar in the handle imparts structural stability and integrity as well as increased mechanical strength to the composite assembly.
REFERENCES:
patent: 2522579 (1950-09-01), Le Rette
patent: 2798248 (1957-07-01), Sladky et al.
patent: 3078973 (1963-02-01), Kilness
patent: 3393587 (1968-07-01), Jolliff et al.
patent: 3656594 (1972-04-01), Marks et al.
patent: 4070932 (1978-01-01), Jeannotte
Berkman Michael G.
Cruz Lawrence
National Hand Tool Corporation
Schmidt Frederick R.
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