Dental handpiece and drive arrangement therefor

Details Dental handpiece and drive arrangement therefor Dental handpiece and drive arrangement therefor

1977-06-29

1980-09-16

Mancene, Louis G.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433114, A61C 110

Patent

active

042227380

ABSTRACT:
A dental handpiece having a drive arrangement which provides for different speeds to be imparted to a dental tool. The drive arrangement comprises a planetary gear arrangement and a transmission member adapted for intercoupling to provide the different speeds at an output drive shaft for the dental tool. Interengagement means comprising axial slots are provided on the planetary gear arrangement, and a counter-engagement means including balls having segments which protrude from the transmission are provided to engage the interengagement axial slots to transmit the different speeds from a drive motor to the dental tool.

REFERENCES:
patent: 663089 (1900-12-01), Mitchell
patent: 3050321 (1962-08-01), Howe et al.
patent: 3115791 (1963-12-01), Dean
patent: 3292459 (1966-12-01), Krzyszczuk
patent: 3436980 (1969-04-01), Loge et al.
patent: 3566471 (1971-03-01), Bull
patent: 3942392 (1976-03-01), Page, Jr. et al.
patent: 3999642 (1976-12-01), Johnson
patent: 4121342 (1978-10-01), Flatland

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