Chuck device for dental handpiece

Details Chuck device for dental handpiece Chuck device for dental handpiece

1988-12-22

1991-04-30

Swiatek, Robert P.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433128, A61C 114

Patent

active

050114085

ABSTRACT:
A chuck device for a dental handpiece includes a dental bur, a sleeve for accommodating and attaching the dental bur, a push button for detaching the dental bur, and a connecting-removal unit for removably holding and securing the dental bur within the sleeve. The connecting-removal unit includes an elastic engagement member normally engaging with an engaging projection of the dental bur for securing the dental bur within the sleeve, and an opening for accommodating the elastic engagement member within the sleeve or an upper sleeve portion for fitting the elastic engagement member on the outer side of the sleeve. The elastic engagement member has a slit and can be extended apart. When the push button is pushed downwards, the cam surface of the push button abuts on and extends the elastic engagement member apart to release the engagement between the elastic engagement member and the engaging projection of the dental bur to detach the dental bur from the sleeve.

REFERENCES:
patent: 3051514 (1962-08-01), Consolloy
patent: 3094338 (1963-06-01), Page
patent: 4012841 (1977-03-01), Mosimann
patent: 4370132 (1983-01-01), Wohlgemuth
patent: 4398886 (1983-08-01), Schuss et al.
patent: 4436512 (1984-03-01), Garcia
patent: 4493645 (1985-01-01), Nakanishi
patent: 4690641 (1987-09-01), Luiset et al.

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