Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Reexamination Certificate
2007-10-02
2007-10-02
Joyce, William C. (Department: 3682)
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
C123S197100
Reexamination Certificate
active
11124981
ABSTRACT:
A grooved cylinder (2) is alternatively mobile in two opposing cylinder guides (10, 11) mounted on a crankcase (14). This cylinder (2) is mounted coaxially inside a double crown piece of revolution (5) with an indented portion (6a) to rotate around the axis (2a) of the cylinder (2) over bearings (B2) coupled between a third groove (16) of the respective crankcase cover (14a, 14b) and the respective housing (9) of the external bases of the ends (6) of the crown (5); these cylinder (2) and crown (5) are coupled by means of bearings (B1) placed between a first groove in zigzag (3) in the side surface of the cylinder (2) and the first housings (8) in the inside of the crown (5), and other bearings (B1) placed between some straight grooves (4), also on the side surface of the cylinder (3) extending between its ends and the valleys (3a) of the first groove (3), and third housings (15) provided in the respective crankcase cover (14a, 14b).
REFERENCES:
patent: 2508253 (1950-05-01), Haggardt
patent: 3388603 (1968-06-01), Clark
patent: 5161491 (1992-11-01), Graves
patent: 2 206 458 (1973-08-01), None
patent: 581 975 (1994-02-01), None
patent: 2 264 187 (1975-10-01), None
Adams Evans P.A.
Joyce William C.
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