Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1981-02-23
1983-02-15
Abrams, Neil
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29113AD, B21B 3132
Patent
active
043732380
ABSTRACT:
In a support element with a flexible or inclinable head portion which faces a surface which is to be supported, the head portion is able to adapt to any changes in shape or position in order to maintain a parallel gap between the surface and the head portion. In order to support the head portion towards the surface which is to be supported, at least one pressure chamber is provided which can be acted upon by a pressure medium so that the force produced by this action of pressure medium acts on the head portion in the direction stated. A measuring device is provided, for measuring the size of the gap between the head portion and the surface to be supported. The pressure in the pressure chamber is regulated as a function of the measured size of the gap.
REFERENCES:
patent: 4091517 (1978-05-01), Lehmann et al.
patent: 4262400 (1981-04-01), Miesch
Abrams Neil
Escher Wyss Limited
Ostmann Robert A.
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