Work holders – Holder mounted for movement – With indexing steps
Patent
1975-11-28
1976-09-21
Smith, Al Lawrence
Work holders
Holder mounted for movement
With indexing steps
211 22, 269243, B25B 114, B23Q 318
Patent
active
039814912
ABSTRACT:
On an upright support is an apparatus including a pair of relatively movable jaws between which a tubular frame member of a bicycle is securely clamped. One jaw has a rigid short sleeve terminating in a circular row of teeth adapted to mesh and lock with a similar circular row of teeth on the end of a rigid tube support in dentil fashion. Extending through the tube support is a shaft fixed to the short sleeve, which has a bushing bearing in the tube support. By a manually adjustable nut and screw device, the rows of teeth can be separated to enable the jaws to revolve thereby to position the bicycle in the most convenient work position. A manually adjustable nut and screw device enable the clamping jaws to be tightened or released.
REFERENCES:
patent: 3514091 (1970-05-01), Johnson et al.
Fraser Malcolm W.
Smith Al Lawrence
Watson Robert C.
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