Work holders – Miscellaneous
Patent
1977-06-09
1977-11-22
Watson, Robert C.
Work holders
Miscellaneous
A61G 1300
Patent
active
040592553
ABSTRACT:
A physical therapy table is mounted on a platform and arranged to be vertically raised by the platform between first and second positions by a single hydraulic cylinder and piston arrangement. The frame of the table is further pivoted to the platform at a transverse pivot point in such a manner that the same hydraulic cylinder and piston can be used to tilt the table relative to the platform from a horizontal position towards a vertical position. A mechanical interlocking coupling is provided and responsive to movement of a pivoted foot rest at the end of the table to lock the table to the platform when the foot rest is in a folded out-of-the-way position so that operation of the hydraulic cylinder will raise and lower both the platform and table and to unlock the table from the platform when the foot rest is swung to a utilization position such that when the cylinder is actuated, the desired tilting takes place. A single hydraulic cylinder and piston thus serves to effect two distinct movements.
REFERENCES:
patent: 3488047 (1970-01-01), Hayat
patent: 3640520 (1972-02-01), Wieland et al.
patent: 3806109 (1974-04-01), Weber et al.
Adjusting Tables Inc.
Pastoriza Ralph B.
Watson Robert C.
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