Device for releasably connecting two parts of a dental handpiece

Details Device for releasably connecting two parts of a dental handpiece Device for releasably connecting two parts of a dental handpiece

1979-12-18

1981-03-10

Mancene, Gene

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

403316, A61C 108

Patent

active

042551439

ABSTRACT:
A device for releasably connecting two parts together characterized by a projection on one part slideably received in a socket or recess of another part to prevent twisting and to guide the two parts as they begin at connection until stop surfaces abut to define the final connecting position and a connecting mechanism having at least one pair of connecting elements mounted on the parts with one connecting element of the pair having an engagement surface for engaging the other element of the pair and being mounted for rotation on the one part with the engagement surface moving in an arc between an unlocked position to a lock position and the mechanism includes a resilient member acting on the one element to urge the engagement surface along the arc at least during the last part of travel towards the lock position so that two parts are held in a final connecting position by the resilient element acting on the one element.

REFERENCES:
patent: 1743241 (1930-01-01), Schmidt
patent: 1903445 (1933-04-01), Ernst
patent: 2284180 (1942-05-01), Thomas
patent: 2942903 (1960-06-01), Giladett
patent: 3229369 (1966-01-01), Hoffmeister
patent: 3647248 (1972-03-01), Ferris et al.
patent: 3830579 (1974-08-01), Roe
patent: 3909946 (1975-10-01), Watanabe
patent: 4071029 (1978-01-01), Richmond et al.
patent: 4182558 (1980-01-01), Matsuo

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