Gear driven linkage for moving members between limit positions

Details Gear driven linkage for moving members between limit positions Gear driven linkage for moving members between limit positions

1974-12-02

1976-04-13

Nunberg, Casmir A.

Supports: cabinet structure

Mounted on wall, ceiling or spaced panels

Movably mounted housing or compartment

108147, 312306, A47B 6702, A47B 5706

Patent

active

039500500

ABSTRACT:
Apparatus for moving an article such as a kitchen wall cabinet or the like, mounted for sliding movement on the kitchen wall, between a normal elevated position at which the cabinet top is spaced from the kitchen ceiling and at which upper spaces in the cabinet are relatively inaccessible and a lowered position at which such spaces are accessible, in which a drive mechanism disposed between the top of the cabinet and the kitchen ceiling includes a lemniscate gear which is carried by a floating shaft and which is held in operative relationship with a drive gear carried by a motor driven shaft rotatably mounted at a fixed location by means of a plurality of idler gears interconnected each with the other and with the drive gear by means of a parallel motion linkage, two arms of which provide the input to a lazy tongs type linkage, the output arms of which are connected to the cabinet adjacent to its upper end, so that a single revolution of the input shaft moves the cabinet from its elevated position to its lowered position and back to its elevated position.

REFERENCES:
patent: 2212488 (1940-08-01), Bell
patent: 3203670 (1965-08-01), Farris
patent: 3415586 (1968-12-01), Hammond
patent: 3462772 (1969-08-01), Morrison
patent: 3768883 (1973-10-01), Kauffman

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