Measuring and testing – Brake testing – Single wheel rotating and resistance measuring means
Patent
1976-05-05
1978-07-25
Queisser, Richard C.
Measuring and testing
Brake testing
Single wheel rotating and resistance measuring means
73137, G01L 302
Patent
active
041021827
ABSTRACT:
A method for measuring the relationship between the angle of rotation of a threaded fastener and the torque applied to the threaded fastener and for detecting variations in the rate of increase of torque with respect to the corresponding angular displacement of the fastener within predetermined torque limits, the first torque limit being the lowest threshold torque that is experienced as the threaded fastener is tightened, the next higher torque limit being a calibrated starting point torque intermediate the lower torque limits for the zone of the desired maximum torque values for the fastener and the threshold torque, the next two higher torque limits defining the torque zone representing the desired maximum torque to be applied to the fastener to assure a quality assembly.
REFERENCES:
patent: 3440869 (1969-04-01), Hardiman
patent: 3643501 (1972-02-01), Pauley
patent: 3693726 (1972-09-01), Hornig et al.
patent: 3962910 (1976-06-01), Spyridakis et al.
patent: 3965778 (1976-06-01), Aspers et al.
patent: 3973434 (1976-08-01), Smith
patent: 3974685 (1976-08-01), Walker
patent: 4008772 (1977-02-01), Boys
Brown Lowell R.
Field Nathaniel L.
Ford Motor Company
Gorenstein Charles
Harrington Donald J.
Queisser Richard C.
Zerschling Keith L.
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