Tools – Wrench – screwdriver – or driver therefor – Responsive to torque on work
Patent
1994-02-10
1995-03-07
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Responsive to torque on work
81483, B25B 23144
Patent
active
053947754
ABSTRACT:
A precision tuning tool for use in tuning a tunable lug rotatably mounted on a musical drum includes an elongated handle, a torque applying mechanism engageable with the lug for applying torque to the lug so as to tune the lug by pivoting the elongated handle relative thereto, a torque calibrating mechanism mounted to the elongated handle for defining a desired preset amount of torque to be applied to the lug by the torque applying mechanism, a preset torque indicating mechanism mounted to the elongated handle and mounting and supporting the torque applying mechanism adjacent to one end of the elongated handle and, in response to application of torque to the lug by the torque applying mechanism, being operable for producing an indication when the desired preset amount of torque has been applied to the lug, and a biasing mechanism mounted to the elongated tubular member and to the torque calibrating mechanism for applying a desired level of biasing force to the preset torque indicating mechanism in response to the desired preset amount of torque defined by the torque calibrating mechanism to thereby preset the amount of torque that can be applied to the lug before the indication is produced by the preset torque indicating mechanism.
REFERENCES:
patent: 2537997 (1951-01-01), Hattan
patent: 4126062 (1978-11-01), Solomon
patent: 4403530 (1983-09-01), Biddle
patent: 4561332 (1985-12-01), Wood
patent: 4732062 (1988-03-01), Grabovac et al.
patent: 5129293 (1992-07-01), Larson et al.
patent: 5152200 (1992-10-01), Kaplan
Flanagan John R.
Smith James G.
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