Chain – staple – and horseshoe making – Chain making – Sprocket chain
Patent
1999-06-18
2000-03-07
Jones, David
Chain, staple, and horseshoe making
Chain making
Sprocket chain
59 11, B21L 2100
Patent
active
060324554
ABSTRACT:
A device to hold roller chain is disclosed for holding roller chain in position for repair, maintenance, and the like. The device includes first and second jaws which are generally parallel. Each jaw has first and second ends, inner and outer faces, and two side faces. Each of the jaws has a primary gripping recess in the inner face near one end to grip the roller chain. Each jaw may also have a secondary gripping recess at the opposite end of the jaw. First and second shank members extend between the jaws and through at least one of the jaws. Each shank member has a cylindrical shank with external threads. The device has two shank channels, with each shank channel extending from the inner to the outer face of one of the jaws. The shanks pass through the shank channels. A pair of nut members engage the threads of the shanks adjacent to the outer faces. A coil spring surrounds each shank between the first and second jaws and biases the jaws away from each other. The shank members and nut members allow the jaws to be adjusted to grip the roller chain, while the coil springs keep the device stable.
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patent: 5899125 (1999-05-01), Hegemier
Jones David
Litman Richard C.
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