Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1981-03-12
1983-03-15
Jones, Jr., James L.
Tools
Wrench, screwdriver, or driver therefor
Machine
81 582, B25B 1700
Patent
active
043763960
ABSTRACT:
A powered tool for applying rotational force to a turnbuckle includes a power drive unit and a tool head mounted to the power drive unit. The tool head has a first slot formed therein adapted to permit passage of the turnbuckle therethrough. A force application disc is rotatably mounted in the tool head for applying rotational force to the turnbuckle. A second slot is formed in the disc and is adapted to receive the turnbuckle. A transmission unit is associated with the power drive unit and the force application disc to transmit power from the drive unit to the disc tending to rotate the disc. A retaining and braking mechanism is mounted on the tool head for selective movement between a first position adjacent the first slot and a second position spaced from the first slot. When the retaining and braking mechanism is in the first position, it cooperates with the tool head to prevent passage of the turnbuckle through the first slot. When the retaining and braking mechanism is in the second position, it cooperates with the transmission unit to oppose rotation of the disc.
REFERENCES:
patent: 1890213 (1932-12-01), Cameron et al.
patent: 2536172 (1951-01-01), Halperin
patent: 2938416 (1960-05-01), Maness
patent: 3535960 (1970-10-01), Borries
patent: 3620105 (1971-11-01), Batten
patent: 3979977 (1976-09-01), Dorma
patent: 3979977 (1976-09-01), Dorma
patent: 4064772 (1977-12-01), Boyd et al.
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