1976-01-29
1976-09-28
Frinks, Ronald L.
3 30, A61F 108, A61F 104
Patent
active
039822788
ABSTRACT:
The invention provides an alignment device for use between a tube socket and a weight-bearing element of an artificial limb in which a desired angular relationship set by jacking screws and maintained by a controlled degree of friction between concentric part-spherical surfaces is maintainable despite the unlocking of clamping screws applying force between the said surfaces.
REFERENCES:
patent: 3538516 (1970-11-01), Bailey et al.
patent: 3551915 (1971-01-01), Woodall
patent: 3659294 (1972-05-01), Glabiszewski
Frinks Ronald L.
J. E. Hanger & Company Limited
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