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Patent Searching and Data


Title:
PRECISE ELECTRIC SCREWDRIVER
Document Type and Number:
WIPO Patent Application WO/2019/105097
Kind Code:
A1
Abstract:
A precise electric screwdriver, comprising a screwdriver bit and a housing (1). A motor (2) is provided in the housing (1); the screwdriver bit is positioned in front of the housing (1); a composite mechanism for implementing switching between manual and automatic modes is provided between the screwdriver bit and the motor (2); the proximal end (42) of an output shaft (4) of the composite mechanism is a step having a larger diameter than the distal end (41); the peripheral surface of the step is formed by a group of curved surfaces; the group of curved surfaces are formed by connecting outer convex surfaces (43) and inner concave surfaces (44) spaced from each other.

Inventors:
LONG, Jun (Room 602, Build C18# Jinfang Road, Industrial Par, Suzhou Jiangsu 3, 215123, CN)
Application Number:
CN2018/104553
Publication Date:
June 06, 2019
Filing Date:
September 07, 2018
Export Citation:
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Assignee:
DOLVIS INTELLIGENT TECHNOLOGY CO., LTD. (Room 602, Build C18# Jinfang Road, Industrial Par, Suzhou Jiangsu 3, 215123, CN)
International Classes:
B25B21/00; B25F5/00; B25F5/02
Foreign References:
CN107791188A2018-03-13
CN104802117A2015-07-29
CN104227632A2014-12-24
CN204135965U2015-02-04
JP2009142942A2009-07-02
CN204546402U2015-08-12
US20140318820A12014-10-30
Attorney, Agent or Firm:
NANJING IPLEADER INTELLECTUAL PROPERTY AGENCY FIRM (Room618, Administration Building of Xu Zhuang Administrative Committee699-1 Xuanwudadao Roa, Nanjing Jiangsu 0, 210000, CN)
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