Supports: cabinet structure – Knockdown or setup type – Foldable
Patent
1977-01-03
1978-07-25
Nunberg, Casmir A.
Supports: cabinet structure
Knockdown or setup type
Foldable
16 42T, 280 4711, F16M 1124
Patent
active
041025563
ABSTRACT:
A rear support structure for a cabinet is disclosed. The support structure includes provision for automatically adjusting the level of the rear of a cabinet to compensate for a supporting surface which slopes from side to side. The support structure comprises mounting means affixed to the rear, underside of the cabinet and extending transversely of the cabinet. In a preferred embodiment, a cylindrical roller having an axial bore therein encircles an axle and is rotatable on the axle to facilitate movement of the cabinet. Either the axle or the bore of the roller or both are arcuate in shape lengthwise of the roller to permit tilting of the roller relative to the axle which in turn permits tilting of the rear of the cabinet with respect to the supporting surface while insuring that the full length of the roller contacts the supporting surface.
In another embodiment, the rear support structure comprises an ellipsoidal member mounted to a channel member affixed to the rear of the cabinet. A flexible track surrounds the ellipsoidal member and has an arcuate internal surface in engagement with the arcuate outer surface of the ellipsoidal member. The track is permitted to tilt relative to the channel member and the ellipsoidal member by the arcuate engaging surfaces to compensate for the side-to-side slope of the supporting surface. The flexible track is movable around the ellipsoidal member to facilitate movement of the cabinet over the supporting surface.
REFERENCES:
patent: 2964778 (1960-12-01), Frey
patent: 2986746 (1961-06-01), Jackson
patent: 3822892 (1974-07-01), Browning
patent: 3954241 (1976-05-01), Carlson
Boos Francis H.
General Electric Company
Nunberg Casmir A.
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