Dental handpiece and rotor cartridge replacement assembly therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 26, 1980
Grant Date -
N/A
app pub date -
Sep 20, 1978
filing date -
Sep 20, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dental handpiece equipped with an improved rotor cartridge and, in particular, a rotor cartridge replacement assembly for such a handpiece. The rotor cartridge takes the form of a subassembly of a rotor, bearings for the rotor, resilient rings supporting the bearings, and a plastic cup member extending about the lower bearing assembly and the resilient support ring therefor. In addition to the rotor cartridge, the replacement assembly may also include a threaded cap and a support tool which not only holds the cap and cartridge together but also may be used for inserting and securing the parts in place within the head housing of a dental handpiece.
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Family
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Cited Art Landscape
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