Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Patent
1991-06-17
1992-10-06
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Handle clutched to head
192 44, B25B 1300
Patent
active
051521970
ABSTRACT:
Toothless ratchet and clutch mechanisms characterized by substantially continuous engagement of the rachet wheel, thus allowing the mechanism to operate even under very limited-space conditions.
REFERENCES:
patent: 2997148 (1961-08-01), Linsley
patent: 3640158 (1972-02-01), Myers
patent: 3823625 (1974-07-01), Myers
patent: 4441387 (1984-04-01), Hendricks
patent: 4524652 (1985-06-01), Wenzel et al.
patent: 4939961 (1990-07-01), Lee
Szymber Oleg
Vassiliou Eustathios
PatCore, Incorporated
Smith James G.
Vassiliou E.
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