Stud handling tool

Details Stud handling tool Stud handling tool

1980-01-25

1981-10-20

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5724, 81 5735, 81 5738, B25B 2900

Patent

active

042953936

ABSTRACT:
A tool (10) for inserting large studs (80) into and removing them from nuclear reactor pressure vessel closures and the like. The tool includes an air motor and gear reducer assembly (16) for rotating the stud (80), and an air cylinder assembly (14) for applying a predetermined upward preload to the stud (80) to prevent the weight of the stud (80) from binding the threads thereof. Regulator means (130) is provided for maintaining the preload constant as the stud (80) is threaded into or out of the closure.

REFERENCES:
patent: 3288000 (1966-11-01), Foster
patent: 3505913 (1970-04-01), Dickmann et al.

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