Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1991-08-27
1992-07-21
Watson, Robert C.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
E21B 1900
Patent
active
051311291
ABSTRACT:
A tool assembly for installing and removing a fastening apparatus in a mechanical joint between two or more elements includes a rod which is axially movable, a plurality of tools positionable on the movable rod, and a power source for moving the rod member between first and second positions. The fastening apparatus includes a reusable fastening member and a disposable and deformable ring adapted to be deformed into the joint by said tool assembly. The tools can be manipulated into various positions on the movable rod for installing and removing the fastening apparatus. Securing together large size elements, such as cutting edges and tooth adapters on earthmoving buckets and blades, using conventional nut and bolt threaded fasteners, requires extremely large service tools and considerable time and effort by several service personnel. The threaded fasteners are generally not reusable due to corrosion abrasive wear. The subject tool assembly quickly and easily installs, or removes, a reusable mechanical fastening apparatus in a joint between a plurality of large work elements.
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Caterpillar Inc.
Watson Robert C.
White Claude F.
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