FALL-PROOF COMPONENT FOR SCREW, FALL-PROOF SCREW ASSEMBLY, FALL-PROOF SCREW-NUT ASSEMBLY AND CORRESPONDING PART, COMBINATION STRUCTURE AND ASSEMBLY

Title:

FALL-PROOF COMPONENT FOR SCREW, FALL-PROOF SCREW ASSEMBLY, FALL-PROOF SCREW-NUT ASSEMBLY AND CORRESPONDING PART, COMBINATION STRUCTURE AND ASSEMBLY

Document Type and Number:

WIPO Patent Application WO/2021/087872

Kind Code:

A1

Abstract:

Herein disclosed is a fall-proof component (1) for a screw (2), comprising: a first structure configured to act on a portion of the screw (2) to stop the screw (2); and a second structure configured to be fitted and latched onto a part which is to be fixed by the screw (2); wherein the first structure and the second structure cooperate with each other to prevent the screw (2) from falling and the fall-proof component (1) is configured to be adapted to be disposed adjacent to a head (21) of the screw (2) in a fitted status. Also disclosed are a corresponding fall-proof screw assembly, a corresponding fall-proof screw-nut assembly, a corresponding part suitable for the fall-proof screw assembly, a corresponding combination structure and a corresponding assembly. According to the disclosure, the fall-proof component has a simple structure and a low cost and can be reusable.

Inventors:

BREHM WINFRIED (DE)
GERCKE GESA (DE)
LIANG CLARK (CN)
ZHANG YIJIA (CN)

Application Number:

PCT/CN2019/116293

Publication Date:

May 14, 2021

Filing Date:

November 07, 2019

Export Citation:

Click for automatic bibliography generation Help

Assignee:

FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH (DE)
FRESENIUS MEDICAL CARE R&D SHANGHAI CO LTD (CN)

International Classes:

F16B39/02; F16B21/08

Foreign References:

CN106369037A	2017-02-01
US20050072948A1	2005-04-07
CN103256290A	2013-08-21

Other References: