Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Patent
1985-08-12
1987-02-03
Callaghan, Thomas F.
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
74569, 91499, 92 71, F16H 2512
Patent
active
046401440
ABSTRACT:
Apparatus for interconverting reciprocating and rotative motion is comprised of a disc shaped rotative slant having a first continuous groove formed on its top surface and a second continuous groove formed in its bottom surface. The first and second continuous grooves have an elliptical configuration and they are defined by harmonic curves. An axle passes through the center of the rotative slant and the rotative slant makes an acute angle with respect to the longitudinal axis of the axle. At least one ball is adapted to ride in the first and second continuous grooves of the rotative slant and each of these pairs of balls have a coupling slide with structure for capturing the balls in these grooves while permitting free rotation therein. Within the housing for the apparatus is a track assembly for each of the coupling members that permit the coupling to travel in a reciprocal motion. Attached to the top of each of the coupling members is an extension rod which in turn has a piston mounted on its upper end and it travels within a cylinder mounted on the housing of the apparatus.
REFERENCES:
patent: 970640 (1910-09-01), McClintock
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patent: 3249052 (1966-05-01), Karlak
patent: 3356080 (1967-12-01), Howard
patent: 4077269 (1978-03-01), Hodgkinson
patent: 4563915 (1986-01-01), Tibbals, Jr.
Callaghan Thomas F.
Logan II Charles C.
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