Title:
POLYGONAL WRENCH
Document Type and Number:
Japanese Patent JP2021065965
Kind Code:
A
Abstract:
To provide a polygonal wrench configured to be adaptable to fitting holes with multiple sizes, which can be more surely fitted into the fitting holes with the respective sizes.SOLUTION: In a polygonal wrench 1, a wrench body 4 has a fixed tubular part 4A having a first wrench part 10, an advancing/retreating part 4B having a second wrench part 20, and an energizing part 80 that energizes the advancing/retreating part 4B to one side in a predetermined direction. The second wrench part 20 is maintained at a protruding position in a state where pressing force toward the other side in the predetermined direction is not applied to the second wrench part 20, and is displaced to a retreat position when pressed toward the other side in the predetermined direction against energization by the energizing part 80.SELECTED DRAWING: Figure 1
Inventors:
OYA AKIHIRO
Application Number:
JP2019192580A
Publication Date:
April 30, 2021
Filing Date:
October 23, 2019
Export Citation:
Assignee:
PALOMA LTD
International Classes:
B25B13/54
Attorney, Agent or Firm:
Patent Business Corporation Grund Patent Office