Breakaway device for orthodontic traction appliances

Details Breakaway device for orthodontic traction appliances Breakaway device for orthodontic traction appliances

1992-06-18

1993-11-23

O'Connor, Cary E.

Dentistry

Orthodontics

Including extra-oral force transmitting means

A61C 300

Patent

active

052638570

ABSTRACT:
A breakaway device for orthodontic traction appliances comprising a case having a spring clasp therein for releasably clasping a coupling member, the coupling member separating from the clasp when subjected to pull exceeding a predetermined value, with an adjustment for the clasp to adjust its grip on the coupling member for adjusting the breakaway pull.

REFERENCES:
patent: 3212637 (1970-07-01), Dougherty et al.
patent: 4087915 (1978-05-01), Andrews
patent: 4115921 (1978-09-01), Armstrong
patent: 4155161 (1979-05-01), Armstrong
patent: 4215983 (1980-08-01), Frazier
patent: 4226589 (1980-10-01), Klein
patent: 4238188 (1980-12-01), Armstrong
patent: 4734032 (1988-03-01), DeWoskin
patent: 5030088 (1991-07-01), Rogow

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