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Patent Searching and Data


Title:
HANDHELD MINIATURE ELECTRIC TRACTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/140743
Kind Code:
A1
Abstract:
A handheld miniature electric traction device comprises a housing, a power supply portion (28), a power motor (3), a reduction gear set, a braking portion, and a reel (19). The power motor (3), the reduction gear set, and the reel (19) are arranged in the housing. The power supply portion (28) is connected to the power motor (3). A control circuit is arranged between the power supply portion (28) and the power motor (3). The power motor (3) is linked to the reel (19) via the reduction gear set. A traction cord is wound around a surface of the reel (19), and one end of the traction cord is a free end. A hook (25) is arranged outside the housing. The reduction gear set comprises a planetary gear. A sun gear of the planetary gear is concentric to the reel (19). The reel (19) is drivingly connected to the planetary gear. The power motor (3) or a motor shaft (9) of the power motor is inserted in an inner ring of the reel (19). The power motor shaft (9) is linked to the planetary gear. The device reduces the volume of a traction tool. The winding ratio of the reel diameter to the diameter of the traction cord is large, such that an improved configuration is achieved during winding of the cord and knotting is prevented.

Inventors:
ZHANG, Guogang (No. 1689, Xianyuan RoadJinhua, Zhejiang 7, 321017, CN)
XIAO, Keqian (No. 1689, Xianyuan RoadJinhua, Zhejiang 7, 321017, CN)
TANG, Kan (No. 1689, Xianyuan RoadJinhua, Zhejiang 7, 321017, CN)
ZHANG, Chunxiang (No. 1689, Xianyuan RoadJinhua, Zhejiang 7, 321017, CN)
TANG, Liangdao (No. 1689, Xianyuan RoadJinhua, Zhejiang 7, 321017, CN)
ZHANG, Renyi (No. 1689, Xianyuan RoadJinhua, Zhejiang 7, 321017, CN)
Application Number:
CN2018/077500
Publication Date:
July 25, 2019
Filing Date:
February 28, 2018
Export Citation:
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Assignee:
ZHEJIANG NOWVOW MECHANICAL AND ELECTRICAL CORP., LTD (No. 1689, Xianyuan RoadJinhua, Zhejiang 7, 321017, CN)
International Classes:
B66D3/22; B66D1/22
Foreign References:
CN103130141A2013-06-05
US4096404A1978-06-20
CN205973563U2017-02-22
GB553870A1943-06-09
Attorney, Agent or Firm:
ZHEJIANG HANGZHOU JINTONG PATENT OFFICE CO., LTD (19th Floor, Shengkexie Building No. 8 Wulin Square, Xiacheng Distric, Hangzhou Zhejiang 3, 310003, CN)
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