J-hook force-adjustable and disconnectible connector for orthodontic headgear
US4704086A · kind A · utility
2Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1986 |
| Grant date | Nov 3, 1987 |
| Priority date | — |
| Expiry date | Sep 30, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C7/06
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A force-producing connector connecting a force reaction orthodontic headcap or neckstrap and a J-hook for applying a force to a wearer's jaw includes a slide carrying a force-producing spring and guided for movement lengthwise of an elongated sidepiece base. The elongated base has a row of slots extending lengthwise of it selectively engageable by the toe of a pawl pivoted on the slide, which pawl can be held in locking position by a latch including an aperture in the pawl engageable with a catch on a post carried by the slide over which the pawl aperture can be moved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.