Tools – Wrench – screwdriver – or driver therefor – Responsive to torque on work
Patent
1979-03-16
1980-12-16
Jones, Jr., James L.
Tools
Wrench, screwdriver, or driver therefor
Responsive to torque on work
64 29, B25B 1900
Patent
active
042389780
ABSTRACT:
Torque wrench having an output shaft driven through a torque-limiting clutch including a clutch cam and a clutch ball held in driving relationship by a spring.
REFERENCES:
patent: 2157574 (1939-05-01), Siesel
patent: 2601799 (1952-07-01), Garwood
patent: 2923191 (1960-02-01), Fulop
patent: 3398611 (1968-08-01), Hahner
patent: 3442360 (1969-05-01), Fulop
patent: 3651718 (1972-03-01), Thomsian
patent: 3727432 (1973-04-01), Eaves et al.
Blodgett Gerry A.
Blodgett Norman S.
Jones Jr. James L.
Lowell Corporation
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