Supports – Machinery support – Movable machine
Patent
1997-05-02
1999-12-07
Ramirez, Ramon O.
Supports
Machinery support
Movable machine
248157, F16M 100
Patent
active
05996961&
ABSTRACT:
A height-adjustable workstand support incorporates a pair of laterally spaced, structurally independent but synchronously driven, screw-type scissor lifts which support a top surface for machinery such as a sewing machine or the like. The support is adapted to convert a fixed-height workstand to one which is adjustable to accommodate operators of different heights, whether sitting or standing.
REFERENCES:
patent: 451006 (1891-04-01), Singer
patent: 2321486 (1943-06-01), Holt
patent: 2348043 (1944-05-01), Webb et al.
patent: 2415820 (1947-02-01), Herring
patent: 2531880 (1950-11-01), Herring
patent: 2624535 (1953-01-01), Bolhoefer
patent: 4548051 (1985-10-01), Moessner
patent: 4576352 (1986-03-01), Ogden
patent: 5423502 (1995-06-01), Thomason et al.
Le Tan
Ramirez Ramon O.
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