Screw and floating drive nut assembly

Details Screw and floating drive nut assembly Screw and floating drive nut assembly

1980-10-06

1983-02-08

Lyddane, William E.

Horizontally supported planar surfaces

Horizontally adjustable

74 8915, 744248R, 108 20, 248657, 269 60, A47B 1300, F16H 118

Patent

active

043722229

ABSTRACT:
A precision drive assembly for the table (b 10) of a machine tool incorporates a screw (12) and floating ball nut (14). The nut is supported by a pair of rods (18,20) which, in turn, are connected to a bracket (26) mounted on the table. The nut is prevented from rotating about its axis by a torque arm (38) extending from the side of the nut and anchored to a bracket (52) attached to the table. Because of this arrangement the nut may move sideways or vertically without substantially altering its linear position.

REFERENCES:
patent: 2571552 (1951-10-01), Elderkin et al.
patent: 3347116 (1967-10-01), Anderson et al.
patent: 3495519 (1970-02-01), Alfsen etal.
patent: 4193317 (1980-03-01), Oono et al.
patent: 4274294 (1981-06-01), Siryj et al.
patent: 4302981 (1981-12-01), Wayman

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