Impact driving tool

Details Impact driving tool Impact driving tool

2011-04-12

2011-04-12

Nash, Brian D (Department: 3721)

Tool driving or impacting

Impacting devices

Hammer head driven by relatively moving motion transmitting...

C173S048000, C173S091000, C173S128000, C173S205000

Reexamination Certificate

active

07921933

ABSTRACT:
In a driving tool, a diameter of an intermediate member is enlarged to increase a mass of the intermediate member and an outside diameter of a cylinder at a position where the intermediate member is internally provided is enlarged in accordance with the enlarged diameter of the intermediate member. Further, in the driving tool, a bearing thickness of a ball bearing is reduced correspondingly to a dimension of the enlarged outside diameter of the cylinder and a washer is provided at a part where the ball bearing abuts on the cylinder in the forward and backward moving direction thereof.

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