Swivel hose coupling for dental handpiece or the like

Details Swivel hose coupling for dental handpiece or the like Swivel hose coupling for dental handpiece or the like

1984-12-24

1985-09-17

Wilson, John J.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433 29, A61C 108

Patent

active

045418020

ABSTRACT:
A swivel coupling for connecting a hose containing a drive air conduit, a secondary air conduit, a water conduit and an optical fiber conduit to a handpiece, such as a dental handpiece, having like conduits. The coupling permits unlimited swiveling, and efficient use of space by means of concentric annular passages in a central swivel tube.

REFERENCES:
patent: 4213243 (1980-07-01), Flatland
patent: 4260382 (1981-04-01), Thomson
patent: 4398885 (1983-08-01), Loge et al.
patent: 4403956 (1983-09-01), Nakanishi
patent: 4403957 (1983-09-01), Mossle et al.
patent: 4431412 (1984-02-01), Lares et al.

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