Vacuum unit for producing a stroke movement

Details Vacuum unit for producing a stroke movement Vacuum unit for producing a stroke movement

2006-03-14

2006-03-14

Lopez, F. Daniel (Department: 3745)

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

Reexamination Certificate

active

07011011

ABSTRACT:
A vacuum unit for producing a stroke movement due to an applied vacuum. The vacuum unit includes a housing, a spring disposed in the housing, a diaphragm and a drive rod arranged on the diaphragm. The drive rod is positioned centrally on the diaphragm and is mounted in a longitudinal guide in the housing.

REFERENCES:
patent: 3380349 (1968-04-01), James
patent: 3799008 (1974-03-01), Danek
patent: 4403538 (1983-09-01), Rise
patent: 4669264 (1987-06-01), Kobelt
patent: 5363743 (1994-11-01), Raddatz et al.
patent: 196 23 961 (1997-12-01), None

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