Piston drive assembly

Details Piston drive assembly Piston drive assembly

1975-07-07

1977-04-26

Geoghegan, Edgar W.

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

92 72, F16H 2118

Patent

active

040193950

ABSTRACT:
Apparatus is disclosed for translating rotary motion into reciprocating motion, of the type utilized in piston operated pumps. The apparatus includes a crank shaft having one or more axially offset diameter segments, each segment having a block bearing partially encircling it, and the block bearing having a raised shoulder for mating with a piston surface groove. The piston is spring biased so as to hold the assembly comprising the piston, block bearing, and offset diameter segment together in a unitary assembly, so that rotation of the shaft causes the piston to reciprocate.

REFERENCES:
patent: 1663927 (1928-03-01), Voreaux
patent: 2055046 (1936-09-01), Phillips et al.
patent: 2064750 (1936-12-01), Hurst
patent: 2219002 (1940-10-01), Beeh
patent: 2437738 (1948-03-01), Hanggi
patent: 2622444 (1952-12-01), Waldvogel
patent: 2678005 (1954-05-01), Messick
patent: 2770972 (1956-11-01), Gratzmuller
patent: 3118381 (1964-01-01), Keil
patent: 3195420 (1965-07-01), Johannsen
patent: 3259076 (1966-07-01), Halberg et al.
patent: 3288080 (1966-11-01), Madej
patent: 3320902 (1967-05-01), Paschke

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