Measuring and testing – Dynamometers – Responsive to torque
Patent
1990-07-27
1992-06-23
Ruehl, Charles A.
Measuring and testing
Dynamometers
Responsive to torque
81483, G01L 524, B25B 23143
Patent
active
051232898
ABSTRACT:
A hand tool, having at least one handle which will provide a tactile response at a predetermined adjustable torque value is provided. The handle includes first and second sections telescopingly and pivotally interconnected. Detent means, including a roller journalled on one section and an axial bore in the other section in which the roller normally resides is provided. The roller and other section are translationally movable with respect to each other. The roller is configured in the form of a segment of a sphere and biased into the end of the bore. The other section also includes means to allow but limit pivotal movement of the roller out of the bore such that it will provide a tactile response at a given torque level and return into the bore when torque is released.
REFERENCES:
patent: 2786378 (1957-03-01), Ethington et al.
patent: 2877645 (1959-03-01), Nealy
patent: 2918834 (1959-12-01), Cranford
patent: 3165014 (1965-01-01), Grabovac
patent: 3577815 (1971-05-01), Bergquist
patent: 3599515 (1971-08-01), Grabovac
patent: 3633445 (1972-01-01), Aijala
patent: 4126062 (1978-11-01), Solomon
patent: 4316397 (1982-02-01), Skidmore et al.
Raybar Corporation
Ruehl Charles A.
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