Refrigerating apparatus

Claim 1

IN A SEALED MOTOR-COMPRESSOR UNIT, AN INVERTED CUPSHAPED STAMPED SHEET METAL CASING, A STAMPED SHEET METAL BASE PLATE FOR CLOSING THE OPEN END OF SAID CASING, SAID PLATE HAVING A PLURALITY OF INWARDLY EMBOSSED SPRING SEATS FORMED THEREON, A MOTOR-COMPRESSOR ASSEMBLY DISPOSED WITHIN SAID CASING, SAID ASSEMBLY INCLUDING A STAMPED SHEET METAL FRAME ELEMENT, SPRING SEATS CARRIED BY SAID STAMPED FRAME ELEMENT AND ARRANGED SUBSTANTIALLY IN VERTICAL ALIGNMENT WITH SAID EMBOSSED SPRING SEATS, SPRING MEMBERS DISPOSED BETWEEN SAID VERTICALLY ALIGNED SPRING SEATS, SAID STAMPED SHEET METAL FRAME ELEMENT HAVING SECURED THERETO A BEARING ELEMENT, A SHAFT ROTATABLY DISPOSED WITHIN SAID BEARING ELEMENT, A MOTOR INCLUDING A ROTOR SECURED TO ONE END OF SAID SHAFT, SAID SHAFT HAVING AN ECCENTRIC PORTION FORMED THEREON, RING MEANS DISPOSED ON SAID ECCENTRIC PORTION, SAID RING MEANS HAVING AN APERTURE THROUGH WHICH SAID ECCENTRIC PORTION PROJECTS, SAID APERTURE BEING OFFSET FROM THE CENTER OF SAID RING MEANS, SAID RING MEANS HAVING A PRESS FIT ON SAID ECCENTRIC PORTION WHEREBY THE RELATIVE POSITION OF SAID RING ON SAID ECCENTRIC PORTION WHEN ASSEMBLED DETERMINES THE OVERALL EFFECTIVE ECCENTRICITY OF THE OUTER PERIPHERY OF SAID RING MEANS, CYLINDER MEANS CARRIED BY SAID FRAME ELEMENT, A RECIPROCATING PISTON OPERATED BY SAID ECCENTRIC PORTION AND DISPOSED WITHIN SAID CYLINDER MEANS, SAID PISTON INCLUDING A PORTION ARRANGED TO DIRECTLY ENGAGE SAID RING MEANS SO AS TO BE RECIPROCATED THEREBY.