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Title:
PLIER
Document Type and Number:
Japanese Patent JP2017019093
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a plier which applies maximum holding force on a screw head in holding, and prevents pressing force in a direction of putting in an object to be held and generates tensile force in a removing direction by an angle of opening a jaw part as a sharp front end of a covering step part is in contact with a lower end surface of the object to be held in holding the object to be held.SOLUTION: A plier 100 includes a jaw part 21 formed of a left jaw part 1 and a right jaw part 2 which are oppositely arranged. A plurality of longitudinally holding teeth 7 are arranged on front parts of contact surfaces of the left jaw part 1 and the right jaw part 2. The longitudinally holding teeth 7 are long tooth shaped parts 70 formed from a front end to a rear part of the contact surface. The long tooth shaped part 70 includes a covering step part 8 which is positioned on a front part of the contact surface and covers the object to be held, and a support step part 9 which is positioned on a rear part of the contact surface and holds the object to be held. The covering step part 8 is tilted or is curved from a front end of the long tooth shaped part 70.SELECTED DRAWING: Figure 3

Inventors:
WANG ZHENG GUO
CAI SHU JUN
Application Number:
JP2015229287A
Publication Date:
January 26, 2017
Filing Date:
November 25, 2015
Export Citation:
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Assignee:
MERIDIAN INT CO LTD
International Classes:
B25B7/02
Domestic Patent References:
JP2010269434A2010-12-02
JP2007007772A2007-01-18
JPS58188165U1983-12-14
Attorney, Agent or Firm:
Patent Business Corporation Cosmos Patent Office