Supports – Pipe or cable – Extending through plate
Patent
1974-07-10
1976-08-31
McCall, James T.
Supports
Pipe or cable
Extending through plate
180 795, 188170, A47B 2100
Patent
active
039776360
ABSTRACT:
A turntable unit particularly suitable for mounting a construction assembly on a vehicle, for example, a rock drill comprising a first stationary non-rotatable member and a second member rotatably mounted on said first member, means to rotate said second member on said first member and braking means mounted on one of said first member and said second member adapted to engage the other of said first member and said second member.
REFERENCES:
patent: 1083681 (1914-01-01), Harris
patent: 1629521 (1927-05-01), Moore
patent: 2284484 (1942-05-01), Eksergian
patent: 2855110 (1958-10-01), Prichard
patent: 3648956 (1972-03-01), Paulson et al.
patent: 3688877 (1972-09-01), Day
patent: 3743061 (1973-07-01), Brown
patent: 3847254 (1974-11-01), Gardner
Hafer Robert A.
McCall James T.
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