Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1989-03-17
1990-06-05
Eley, Timothy V.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291216, 291218, 29122, 29123, 29124, B60B 704
Patent
active
049302027
ABSTRACT:
A roll comprises a roller, having the circumference changing in length, mounted on a roller shaft which is bent with a central portion and both outer portions in different plane directions free of load. The roller forms at least one axial flat line along an external periphery while being rotated about the roller shaft. The roll has actions of preventing the object from deviation and expander action. The roll permits stable and high-speed running of an object being carried without causing deformation based on the flat line. The roll can be arranged oppositely in pair to effect uniform pinch pressure in width direction on the object being carried.
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patent: 4376643 (1983-03-01), Kahle et al.
patent: 4601775 (1986-07-01), Grong
Chin Frances
Eley Timothy V.
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