Patent ID: 11872096
Assignee: TTBIO CORP.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A dental handpiece, comprising:
a transmission assembly, having one end connected with a handpiece head;
a fixing structure being a positioning sleeve, sleeved onto the transmission assembly, the positioning sleeve having a positioning member thereon;
a casing, having a front casing in the form of a curved tube and a rear casing in the form of a straight tube, the front casing being sleeved onto the positioning sleeve for covering the transmission assembly and the positioning sleeve, the rear casing being detachably connected to one end of the front casing opposite to the handpiece head, the front casing being provided with a push member, the push member being inserted toward an inside of the front casing to lean against the positioning member for the positioning member to be tightly pressed against the transmission assembly so that the front casing, the positioning sleeve and the transmission assembly are fixed and connected together;
wherein the transmission assembly includes a protective cover and a transmission shaft inserted in the protective cover, the positioning member on the positioning sleeve is in the form of an elastic sheet, the front casing has an inner wall, the inner wall is formed with a locking hole, an opening direction of the locking hole is obliquely directed to the positioning member, the push member is locked in the locking hole, and one end of the push member leans against the positioning member so that the positioning member is tightly pressed against an outer circumferential surface of the protective cover.