Socket to clampingly hold dental tools

Details Socket to clampingly hold dental tools Socket to clampingly hold dental tools

1987-12-11

1989-10-17

Wilson, John J.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433127, 279 43, 279 50, A61C 114

Patent

active

048743143

ABSTRACT:
A socket, which receives a tool having a cylindrical shaft and which is mounted for rotation to rotate the tool, has an outer sleeve which receives a clamping sleeve and a ram for engaging a first end of the clamping sleeve. The first end of the clamping sleeve is provided with slots defining resilient tongues which are moved from a clamping position radially outward to a position for releasing the shaft by engagement with the ram. The ram has either an outer conically tapered surface or partially conically outer tapered surfaces on projections which engage inner tapered surfaces of each of the tongues or fingers. Preferably, the tapers of the ram and fingers are selected so that only substantially a line contact is formed therebetween to reduce the force necessary to move the fingers or tongues radially outward to the declamping or disengaging position.

REFERENCES:
patent: 495267 (1893-04-01), Richmond
patent: 3094338 (1963-06-01), Page
patent: 4089115 (1978-05-01), Heil et al.
patent: 4198754 (1980-04-01), Lares et al.
patent: 4370132 (1983-01-01), Wohlgemuth
patent: 4398886 (1983-08-01), Schuss et al.
patent: 4621960 (1986-11-01), Tollner
patent: 4661062 (1987-04-01), Seigneurin

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