Drive for tiltable X-ray table

Details Drive for tiltable X-ray table Drive for tiltable X-ray table

1975-11-25

1977-03-22

Frazier, Roy D.

Horizontally supported planar surfaces

Tiltable surfaces

With horizontal adjustment

250439P, 269323, A47F 512

Patent

active

040130193

ABSTRACT:
To overcome floor clearance problems, a tiltable X-ray table is tilted at an accelerated rate between level and upright positions by a variable ratio positive gear drive. Simultaneously the table is caused to translate at a constant or linear rate by primary drive means mounted directly on the movable table body or chassis. Thus, the ratio of table body translation to tilt is greater at the beginning of table body travel than at later stages of travel. Table body translation is effected by twin ball nut screw shaft assemblies carried by opposite sides of the table body or chassis.

REFERENCES:
patent: 2534623 (1950-12-01), Pitts et al.
patent: 2680046 (1954-06-01), Stava
patent: 2816806 (1957-12-01), Zaalberg
patent: 2872584 (1959-02-01), Schiring et al.
patent: 3131301 (1964-04-01), Barrett et al.
patent: 3525308 (1970-08-01), Koopmans
patent: 3656362 (1972-04-01), Buchsteiner
patent: 3823617 (1974-07-01), Infanger et al.

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