Tools – Wrench – screwdriver – or driver therefor – Responsive to torque on work
Patent
1995-11-07
1997-09-02
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Responsive to torque on work
81467, B25B 23159
Patent
active
056620128
ABSTRACT:
An improved and less costly torque wrench adjusting and calibrating structure for accurate axial biasing and adjustment of an elongate axially extending spring in an elongate axially extending tubular lever arm of an adjustable click-type torque wrench. The adjusting means includes a carrier nut securely engaged in the rear end portion of an elongate lever arm and spaced from the rear end of an elongate spring within the arm, an elongate machine screw bolt with a polygonal head within the lever arm between the spring and the carrier nut and an elongate shank engaged through the carrier nut and extending rearwardly from within the lever arm, an axially extending tubular hand grip rotatably carried by and projecting rearwardly from the lever arm, an elongate drive ring with front and rear ends and a central polygonal opening fixed in the grip and surrounding the shank, an elongate polygonal nut with a radially outwardly projecting flange at one end and engaged on the shank and within the ring with its flange engaging the front end thereof, and, a lock nut engaged on the shank and engaging the rear end of the ring.
REFERENCES:
patent: 2205501 (1940-05-01), Sunnen
patent: 2996940 (1961-08-01), Van Hoose
patent: 3599515 (1971-08-01), Grabovac
patent: 4485703 (1984-12-01), Grabovac et al.
patent: 4655104 (1987-04-01), Blattner
patent: 5394775 (1995-03-01), Fagerstrom
Consolidated Devices Inc.
Danganan Joni B.
Meislin D. S.
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