Work holders – Miscellaneous
Patent
1978-02-27
1979-07-03
Watson, Robert C.
Work holders
Miscellaneous
A61G 1300
Patent
active
041598229
ABSTRACT:
A working mechanism for moving a treatment table including an expandable and contractable pneumatic spring coupled to the table, a pneumatic control pressure circuit for controlling the expansion and contraction of the pneumatic spring and a hydraulic checker coupled to the treatment table whereby the treatment table is smoothly moved and maintained at any heighth.
REFERENCES:
patent: 1344037 (1920-06-01), Heymann
patent: 3089692 (1963-05-01), Blomquist
patent: 3521861 (1970-07-01), Freudenthal et al.
patent: 3845945 (1974-11-01), Lawley et al.
patent: 3868103 (1975-02-01), Pageot et al.
Inoue Keizo
Ota Sadayasu
Kabushiki Kaisha Morita Seisakusho
Watson Robert C.
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