Tools – Wrench – screwdriver – or driver therefor – Stud-removal and implacement
Patent
1990-10-19
1991-07-02
Parker, Roscoe V.
Tools
Wrench, screwdriver, or driver therefor
Stud-removal and implacement
81 344, 411238, 411433, 188 77R, B25B 1350
Patent
active
050276786
ABSTRACT:
This invention is a cam actuator means with connector assembly with one embodiment being a stud extractor and wrench apparatus operable to utilize a cam insert member mounted within an outer housing member being engagable with a damaged bolt head on a stud member using a cam actuator clamping action to grasp same for inserting and removing. A second embodiment is a main brake lock apparatus having a brake insert member mounted within an outer brake housing member being engagable with a rotating shaft to achieve a braking or clutching action therewith through a cam actuator clamping action. The brake actuator assembly uses a piston and cylinder actuator assembly selectively operable through fluid control means to contact and engage the shaft for the braking or clutching action. A third embodiment is a bolt and elliptical lock nut apparatus having an inner lock cam insert member mounted within a main lock nut assembly. The inner lock cam insert member is engageable with a threaded bolt member at any longitudinal position being operable through relative rotational movement between the main lock nut assembly and the inner lock cam insert member to a achieve a cam actuator clamping action on a threaded body section of the bolt member. The nut and elliptical lock nut apparatus is operable to achieve a firm and economical clasping on a bolt member to achieve a lock nut feature of this invention.
REFERENCES:
patent: 1279349 (1918-09-01), Johnson
patent: 2167171 (1939-07-01), Dodge
patent: 2509647 (1950-05-01), Lipscomb
patent: 2560012 (1951-07-01), Valvano
patent: 2681582 (1954-06-01), Valvano
patent: 2746328 (1956-05-01), Valvano
patent: 2815788 (1957-12-01), Tarwater
patent: 4378187 (1983-03-01), Fullerton
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