Title:
SOUND INSULATION BOX OF ENGINE DRIVING TYPE WORKING MACHINE
Document Type and Number:
Japanese Patent JP2022133046
Kind Code:
A
Abstract:
To improve attachability and waterproofness of a component attachment plate which covers a base in an exhaust chamber.SOLUTION: Lengths l of a first side 40a and a second side 40b, disposed in a width direction of a base 10, of sides 40a to 40d of a component attachment plate 40, which closes an upper opening of the base 10 at a formation position of an exhaust chamber 30b and has a rectangular shape in a plan view, are formed longer than a distance Win between inner surfaces of two side walls 12 forming a longitudinal direction of the base 10. The component attachment plate 40 is attached to the base 10 in a state that a bottom surface of the component attachment plate 40 is placed on upper end edges of the side walls 13a, 13a as seen in the longitudinal direction of the base 10 and an upper end edge of one side wall 13b as seen in the width direction.SELECTED DRAWING: Figure 1
Inventors:
YONEDA KAZUHIRO
Application Number:
JP2021031861A
Publication Date:
September 13, 2022
Filing Date:
March 01, 2021
Export Citation:
Assignee:
HOKUETSU KOGYO CO
International Classes:
F02B77/13; F02B63/04
Attorney, Agent or Firm:
Kokura Patent Office