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Patent Searching and Data


Title:
SCREW LIMIT STRUCTURE AND TUNABLE FILTER
Document Type and Number:
WIPO Patent Application WO/2018/059336
Kind Code:
A1
Abstract:
Provided in an embodiment of the present application are a screw limit structure and a tunable filter, relating to the field of filters, and solving the problem of low limit accuracy of a screw limit structure in the prior art. The structure comprises a screw and a fitting piece, the fitting piece being provided with a threaded hole. The screw comprises a screw head and a screw rod fixed on a first surface of the screw head. The screw rod is matched with the threaded hole. A plurality of first protrusions are distributed on the first surface of the screw head in a circumferential direction. A plurality of second protrusions are distributed on the fitting piece at positions corresponding to the first protrusions. When the screw and the fitting piece are rotated along a mutually approaching direction to a preset position, at least one side of the first protrusions abuts against at least one side of the second protrusions.

Inventors:
HOU, Lintao (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
TIAN, Wei (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
WANG, Mingming (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
Application Number:
CN2017/103041
Publication Date:
April 05, 2018
Filing Date:
September 22, 2017
Export Citation:
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Assignee:
HUAWEI TECHNOLOGIES CO., LTD. (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
International Classes:
H01P1/20; F16B39/282
Attorney, Agent or Firm:
BEIJING ZBSD PATENT & TRADEMARK AGENT LTD. (8F Building 11, No. 31 Jiaoda East Road Haidian District, Beijing 4, 100044, CN)
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