Arrangement of connecting a diaphragm with an actuator rod in a

Pumps – Motor driven – Spring or weight motor

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Details

417470, 417479, F04B 1900

Patent

active

045576718

ABSTRACT:
An improved arrangement for connecting a diaphragm and an actuator rod in a diaphragm-operated device, which is simple in construction and easy to assemble or disassemble. The arrangement includes a diaphragm of elastic material having a movable central portion and a connection boss formed at the movable portion. The connection boss has a blind bore in which is fitted an actuator rod for elastic engagement. A retainer is fitted over the outer periphery of the connection boss for restraining deformation of the connection boss. The retainer is urged against the diaphragm by means of a return spring which acts to resiliently urge the diaphragm in one direction.

REFERENCES:
patent: 2549231 (1951-04-01), Perkins
patent: 2707074 (1955-04-01), Parker
patent: 2711134 (1955-06-01), Hughes
patent: 3039399 (1962-06-01), Everett
patent: 4403539 (1983-09-01), Motoki et al.

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