Jaw exerciser

Details Jaw exerciser Jaw exerciser

1990-02-02

1991-07-30

Bahr, Robert

Undertaking

A63B 2300

Patent

active

050354205

ABSTRACT:
An exerciser is provided for application of an anatomically applied force to the jaw for pivoting of the jaw at its tempero-mandibular joint or to provide a motion to the jaw, or resistance to motion of the jaw which is beneficial in facial orthopedics. A structure is provided having curvilinear guide tracks which guide movement of a carriage according to the character of movement that is desired. The carriage is movable to thereby allow corresponding movement of a mandibular jaw member supported by the carriage relative to a maxillary jaw member supported by the exerciser body. Through suitable linkages, motion may be imparted to the carriage or resistance exerted against its motion by manual action, by a spring or by a motor. The linkage may provide for adjustment of mechanical advantage or range of motion through selection of slots or holes formed in parts of the linkage structure.

REFERENCES:
patent: 742698 (1903-10-01), Mason
patent: 3550584 (1970-12-01), Ring
patent: 3721439 (1973-03-01), Rudolph
patent: 3985125 (1976-10-01), Rose
patent: 4002162 (1977-01-01), Weisser
patent: 4292026 (1981-09-01), Yokota
patent: 4597382 (1986-07-01), Perez, Jr.
patent: 4686966 (1987-08-01), Tsai
patent: 4700695 (1987-10-01), Davis et al.
patent: 4807600 (1989-02-01), Hayes
patent: 4909502 (1990-03-01), Beeuwkes et al.

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