Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1992-10-01
1994-06-28
Watson, Robert C.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
B23P 1904
Patent
active
053235193
ABSTRACT:
A removal system for a pin that connects a fifth wheel of a tractor to the tractor frame. The pin is modified by threading a hole in one end that receives a bolt on a washer; the washer when attached to the pin by the bolt prevents transverse movement of the pin in a first direction. The other end of the pin has another washer for preventing transverse movement in the opposing direction; that end of the pin couples to the end of rod on which is slidably carried a weight. The distal end of the rod has a stop. When the bolt and washer are removed from the first end and the weight is slung by a handle connected to the weight by a chain, the weight hits the stop which transmits the impulsive force along the rod to pin hammering it in the first direction. Depending on how tightly the pin is held in place, several attempts to hammer the pin out may be necessary, but while doing so the hands of the user are removed from the fifth wheel area.
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Mann Michael A.
Watson Robert C.
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