Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Patent
1994-04-05
1995-06-20
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Handle clutched to head
81 60, B25B 1346
Patent
active
054252911
ABSTRACT:
A driving head includes a housing having an open end enclosed by a cap, a core is rotatably disposed in the housing, the core includes a block engaged in the housing and a stub extended through the cap. The block has a number of flat surfaces formed on the outer peripheral portion such that a number of spaces are formed between the flat surfaces and the housing. A number of rods are engaged in the spaces and engaged with the flat outer surfaces of the block when the core is rotated in the active direction, and the core is rotatable in the opposite direction.
REFERENCES:
patent: 2722149 (1955-11-01), Henley
patent: 3170374 (1965-02-01), Clan
patent: 3786600 (1974-01-01), Bloxsom
patent: 4051601 (1977-10-01), Godet
patent: 4051935 (1977-10-01), Nakayama
patent: 4669339 (1987-06-01), Cartwright
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