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US 4,150,559 AGranted
Variable rate test joint
AssigneeIngersoll-Rand Company
InventorLloyd E. Levy
Life of this patent
Estimating the term…
Abstract
A device for simulating the tightening rate of a threaded fastener and for varying the joint rate. The torque applied to the joint is determined. The device is suitable for determining the torque scatter of the torque applied to the simulated joint by means of a torque applying device, such as a pneumatic power angle wrench or nut runner.
Claims8
Variable rate test joint comprising:
- a support;
- a brake attached to said support;
- a one-way clutch attached to said support and spaced apart from said brake;
- a torsion spring engaged with and mounted between said brake and said one-way clutch for rotation with said clutch and said brake;
- a means for actuating said brake;
- and
- a means for measuring torque applied to said torsion spring at its one-way clutch engaging end.
4 more elements
Dependencies are inferred from the claim text.