Expansible chamber devices – Spaced cylinder and piston walls define passage between...
Patent
1991-04-15
1993-03-30
Simmons, David A.
Expansible chamber devices
Spaced cylinder and piston walls define passage between...
156358, 156359, 1565801, 228 11, 384 99, F01B 3100, B32B 3100
Patent
active
051973715
ABSTRACT:
A force limiter for limiting the force between two articles getting into contact with each other, which force limiter comprises a control member (11) displaceable with respect to a holder (5), which member is pneumatically pre-stressed with a force which is substantially independent of the relative position between the holder (5) and the control member (11). The force limiter can be used in devices, in which after stopping a drive the contact force between the driven first article and the second article in contact therewith must not exceed a given threshold value. More particularly the use in ultrasonic deformation devices is considered.
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Bos Johan M.
van der Heijden Franciscus J. M.
Barry Chester T.
Simmons David A.
Spain Norman N.
U.S. Philips Corporation
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