Surgery – Truss – Perineal
Patent
1981-07-24
1983-09-20
Apley, Richard J.
Surgery
Truss
Perineal
A61F 500
Patent
active
044049668
ABSTRACT:
A headrest is provided for use with a chiropractic table and comprises a base plate and a strap for securing the base plate to the table. A support plate is hinged on one edge to one edge of the base plate so that the support plate is pivotal between an upper first position and a lower second position. A latch assembly retains the support plate in its upper first position but releases upon the application of a predetermined pressure on the support plate to permit the support plate to move to its lower second position.
REFERENCES:
patent: 1582950 (1926-05-01), Weaver et al.
patent: 2727510 (1955-12-01), Thompson
patent: 2756744 (1956-07-01), Thompson
patent: 2791215 (1957-05-01), Thompson
patent: 2878805 (1959-03-01), Sunich
patent: 2886029 (1959-05-01), Thompson
patent: 2926660 (1960-03-01), Thompson
patent: 3343531 (1967-11-01), Thompson
Apley Richard J.
Brown David J.
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