Quick-updating stethoscope receiver

Details Quick-updating stethoscope receiver Quick-updating stethoscope receiver

2005-01-25

2005-01-25

Mei, Xu (Department: 2644)

Electrical audio signal processing systems and devices

Stethoscopes, electrical

C181S131000, C181S132000

Reexamination Certificate

active

06847720

ABSTRACT:
A quick-updating stethoscope receiver comprises a receiver, a listening disk at a lower end of the receiver, the listening disk can be embedded into a lower end of the receiver; an upper cover at a top end of the receiver; and a transducer combining at a lateral wall of the receiver and a connector at a rear end of the transducer. A lower end of the receiver has an axial extended shaft. The shaft is formed with an annular trench. An elastic tightening ring is embedded into the trench. A diameter of a cross section of the tightening ring is larger than a depth of the trench so that part of the tightening ring protrudes out of the trench. A center of the round disk has an opening. By the elastic expanding force of the tightening ring, the round disk is tightly engaged to the shaft so that the round disk can not drop out.

REFERENCES:
patent: 5920038 (1999-07-01), Foster
patent: 5945640 (1999-08-01), Rossini et al.

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