F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
F15B 15/10 (2006.01) F16J 3/02 (2006.01)
Patent
CA 2134003
In a diaphragm actuator in which a central boss provided in a retainer plate is passed through a central opening of a diaphragm, to prevent any excessive stress or deformation developed in a freely deformable part of the diaphragm from being transmitted to the central opening fitted on the central boss, and adversely affecting the condition of coupling between them, a plurality of through holes are provided in the retainer plate so that, when vacuum is suddenly introduced into a vacuum chamber of the diaphragm actuator, the diaphragm is firmly secured to the retainer plate by suction produced by the through holes.
Endo Akira
Itoi Kenji
Okayasu Yosuke
Lesperance & Martineau S.e.n.c.
Mitsuba Corporation
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