Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1987-05-06
1988-09-13
Eley, Timothy V.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29453, B21D 5300
Patent
active
047698870
ABSTRACT:
A valve construction and method of making the same are provided, the valve construction comprising a housing, a valve seat carried by the housing, a movable lever carried by the housing and having an opening passing through opposed sides thereof, a valve member for opening and closing the valve seat and having a stem projecting through the opening of the lever whereby the valve member is carried by the lever, and a tubular member disposed in the opening of the lever and telescopically receiving the stem of the valve member therein whereby the tubular member spaces the stem from the lever at the opening thereof.
REFERENCES:
patent: 3215396 (1965-11-01), Bergsma
patent: 3272285 (1966-09-01), Morris
patent: 3442483 (1969-05-01), Schwartz
patent: 3783893 (1974-01-01), Davison
patent: 4053136 (1977-11-01), Perl
patent: 4508314 (1985-04-01), Hemme
Eley Timothy V.
Robertshaw Controls Company
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