Dental treatment device

Details Dental treatment device Dental treatment device

1986-03-26

1988-01-19

Peshock, Robert

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

A61C 108

Patent

active

047202661

ABSTRACT:
This device comprises a dental handpiece (15), notably a contra-angle, detachably coupled to a socket (35) so that the handpiece can rotate freely relative to the socket, this socket incorporating a micromotor for driving the dental treatment tool. The handpiece comprises means for illuminating the treatment area and the electric power supply between the two elements is taking place by means of spring loaded contact pistons (19, 22) parallel to the handpiece axis and projecting from the front face of one of the two elements, the contact pistons being adapted, in the coupled condition, to be urged against corresponding annular electric tracks (18, 21) provided at the end of the other element, these tracks being insulated from each other by a ring (20).

REFERENCES:
patent: 4433957 (1984-02-01), Nakanishi
patent: 4507085 (1985-03-01), Mosimann et al.
patent: 4600384 (1986-07-01), Olsen

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