SCREW STRUCTURE, FEEDING DEVICE, MEDICAL APPARATUS, AND INFUSION PUMP

Title:

SCREW STRUCTURE, FEEDING DEVICE, MEDICAL APPARATUS, AND INFUSION PUMP

Document Type and Number:

WIPO Patent Application WO/2017/002870

Kind Code:

A1

Abstract:

The cross sections of a thread (22) of a screw shaft (20) and a thread (32) of a half nut (30) include substantially trapezoidal bases (60, 65) and tops (70, 75). Each of the tops (70, 75) has an apex (71, 76) and slopes (72, 77) sloping from the apex (71, 76) toward the base (60, 65).

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Inventors:

YAMASHITA KAZUHIRO (JP)
OKAMURA ISAO (JP)

Application Number:

PCT/JP2016/069308

Publication Date:

January 05, 2017

Filing Date:

June 29, 2016

Export Citation:

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Assignee:

MINEBEA CO LTD (JP)

International Classes:

F16H25/24; A61M5/145; F16H25/20

Foreign References:

JP2003056667A	2003-02-26
JPH02173452A	1990-07-04
JP2009503373A	2009-01-29

Attorney, Agent or Firm:

TORANOMON-IP FIRM (JP)

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