Coupling device for a dental instrument

Details Coupling device for a dental instrument Coupling device for a dental instrument

1981-07-31

1983-09-13

Wilson, John J.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433 82, 285316, A61C 108

Patent

active

044039590

ABSTRACT:
In dental instruments such as a dental handpiece and a syringe, a coupling device for detachably connecting a hose portion, which supplies air or liquid to these instruments, to an instrument body. The coupling device comprises a sleeve fitted over the hose portion with a clearance formed therebetween, a ball-like stop member inserted into at least one opening formed in a peripheral surface at the front end of the sleeve and movable in a diametral direction of the sleeve, a connection cylinder having one end coaxially mounted on the rear end of the instrument body and inserted into the sleeve, and an operating ring fitted over the sleeve and movable in an axial direction of the sleeve.

REFERENCES:
patent: 3295868 (1967-01-01), Bac
patent: 3656781 (1972-04-01), Paine et al.
patent: 3698088 (1972-10-01), Austin, Jr.
patent: 4176899 (1979-12-01), Betts
patent: 4217101 (1980-08-01), Loge

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