TW201129449A - Structure improvement of a screw drive device with magnetism - Google Patents

Structure improvement of a screw drive device with magnetism

Info

Publication number
TW201129449A
TW201129449A TW99105672A TW99105672A TW201129449A TW 201129449 A TW201129449 A TW 201129449A TW 99105672 A TW99105672 A TW 99105672A TW 99105672 A TW99105672 A TW 99105672A TW 201129449 A TW201129449 A TW 201129449A
Authority
TW
Taiwan
Prior art keywords
magnetism
magnetic attraction
drive device
screw drive
structure improvement
Prior art date
Application number
TW99105672A
Other languages
Chinese (zh)
Inventor
jing-hui Cai
Original Assignee
Meng Rui Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meng Rui Co Ltd filed Critical Meng Rui Co Ltd
Priority to TW99105672A priority Critical patent/TW201129449A/en
Publication of TW201129449A publication Critical patent/TW201129449A/en

Links

Landscapes

  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

This invention provides structure improvement of a screw drive device with magnetism, which includes a drive tool, a magnetic attraction piece and a retaining collar. At the front end of the drive tool is provided a non-circular tool hole, which is inwardly extended to form a receiving groove with a smaller aperture. The magnetic attraction piece has a magnetic attraction end at one side, and expands outwardly to form an abutment flange at the other end. The bottom of the abutment flange is made to have a cavity along the axial direction for the installation of an elastic piece. The retaining collar is made to have a sleeve hole to match up with the magnetic attraction piece; the diameter of the sleeve hole is smaller than tube diameter of the abutment flange, and the outer periphery of the retaining collar is annularly provided with convex teeth. With the above structure, a structure improvement of a screw drive device with magnetism is constructed.
TW99105672A 2010-02-26 2010-02-26 Structure improvement of a screw drive device with magnetism TW201129449A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW99105672A TW201129449A (en) 2010-02-26 2010-02-26 Structure improvement of a screw drive device with magnetism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW99105672A TW201129449A (en) 2010-02-26 2010-02-26 Structure improvement of a screw drive device with magnetism

Publications (1)

Publication Number Publication Date
TW201129449A true TW201129449A (en) 2011-09-01

Family

ID=50180008

Family Applications (1)

Application Number Title Priority Date Filing Date
TW99105672A TW201129449A (en) 2010-02-26 2010-02-26 Structure improvement of a screw drive device with magnetism

Country Status (1)

Country Link
TW (1) TW201129449A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI462805B (en) * 2012-06-21 2014-12-01
TWI595979B (en) * 2015-09-08 2017-08-21 Nitto Kohki Co Screw together the material fastening tools and counting devices
US10065295B2 (en) 2012-06-21 2018-09-04 Hong Ann Tool Industries Co., Ltd. Tool head

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI462805B (en) * 2012-06-21 2014-12-01
US9375829B2 (en) 2012-06-21 2016-06-28 Hong Ann Tool Industries Co., Ltd. Tool head
US10065295B2 (en) 2012-06-21 2018-09-04 Hong Ann Tool Industries Co., Ltd. Tool head
TWI595979B (en) * 2015-09-08 2017-08-21 Nitto Kohki Co Screw together the material fastening tools and counting devices

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