1976-06-22
1978-02-28
Peshock, Robert
A61C 110
Patent
active
040757617
ABSTRACT:
A dental handpiece provided with a handle having one end connected to a supply hose with several supply lines for liquid or gaseous media. A head section with a dental tool is connected to another end of the handle, and the handle is provided with hollow conductors for carrying the media from the supply lines to the head section. The handle may be rotated about the longitudinal axis of the handle, and relative to the supply hose. The means for rotating the handle is located inside the handle, and the latter is further divided into two portions which are turnable with respect to each other. One of the portions is adjacent to the supply hose, and is non-rotatable with respect to the supply hose. The other portion is connected to the head section and has a length which is at least one-third and at most two-thirds of the overall length of the handle. The part of the handle which is connected to the head section, is in the form of a sleeve-shaped end element which is inserted into a suitably formed mating piece in the other handle portion. The sleeve-shaped element is supported by bearing elements against the respective handle portion.
REFERENCES:
patent: 3858323 (1975-01-01), Flatland
Behne Ernst-August
Straihammer Reinhard
Peshock Robert
Siemens Aktiengesellschaft
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