Expansible chamber devices – With inspection window in expansible chamber wall portion – With lock
Patent
1978-02-02
1980-03-11
Maslousky, Paul E.
Expansible chamber devices
With inspection window in expansible chamber wall portion
With lock
92 13, 92 94, 92129, 92165PR, 91DIG4, 92 99, F01B 3112, F15B 1524, F16J 110
Patent
active
041922239
ABSTRACT:
In a reciprocating pump, notably a metering pump, of the reciprocating type in which the pumping member, diaphragm or piston, is actuated by means of a slide block responsive to a rotating eccentric member, a ball is interposed between an adjustment screw controlling the length of the slide block stroke and the slide block. For this purpose, the ball engages an inclined surface formed in a hollow of the slide block. Preferably, the screw is magnetized and constantly attracts the ball to avoid movements of the ball in relation to the slide block and therefore any premature wear and tear of these members. The inclined surface may have a shape matching that of the ball.
REFERENCES:
patent: 1771907 (1930-07-01), Abramson
patent: 1856599 (1932-05-01), Sundstrond
patent: 2323950 (1943-07-01), Wade
patent: 2359960 (1944-10-01), Anderson
patent: 3036525 (1962-05-01), Schulze
patent: 3120811 (1964-02-01), Jemison et al.
patent: 3164024 (1965-01-01), Tarry et al.
patent: 3486455 (1969-12-01), Jemison
patent: 3841796 (1974-10-01), Schlonsky
Dosapro Milton Roy
Maslousky Paul E.
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