Scissors lift table

Details Scissors lift table Scissors lift table

1983-03-08

1985-04-16

Foss, J. Franklin

Supports

Stand

Adjustable vertically

108147, F16M 1300

Patent

active

045111103

ABSTRACT:
A drive for the scissors mechanism of a scissors lift table (10) which comprises a lift platform (12) supported on a base frame (14) by a scissors mechanism comprising at least two laterally adjacent pairs of scissors lift arms (18,20). The drive comprises at least one cylindrical roller (38) which is motor-driven in rotation and provided with an indexing groove (40) machined in its cylindrical surface. The indexing groove (40) is engaged by an indexing pin (42) which is attached to an elongate carriage (44) slidable parallel to the axis of rotation of the cylindrical roller (38). The carriage (44) carries a rack (46), which meshes with a toothed pinion (48), which is mounted on a shaft provided with further toothed pinions (56), which in turn mesh with toothed segments (58) provided on one (20) of the scissors arms (18,20) of each pair of the scissors mechanism.

REFERENCES:
patent: 1080375 (1913-12-01), Senderling
patent: 1534364 (1925-04-01), Diaz
patent: 1697364 (1929-01-01), McCollum et al.
patent: 1890361 (1932-12-01), Beattie
patent: 2752205 (1956-06-01), Ward et al.
patent: 3314637 (1967-04-01), Fudala
patent: 3438514 (1969-04-01), Bose et al.
patent: 3923296 (1975-12-01), Oksala et al.
patent: 4031982 (1977-06-01), Lindfors
patent: 4073386 (1978-02-01), Denomme
patent: 4232901 (1980-11-01), Harrington et al.

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