Depth adjustment device for power tool

Details Depth adjustment device for power tool Depth adjustment device for power tool

2008-11-18

2010-10-12

Shakeri, Hadi (Department: 3727)

Tools

Wrench, screwdriver, or driver therefor

Responsive to movement of work

C081S054000

Reexamination Certificate

active

07810414

ABSTRACT:
A depth adjustment device is mounted to a front end of a power tool, having a coupling member fixed to the front end of the power tool, a hollow stationary sleeve, and a hollow adjustment sleeve. The coupling member includes a limit recess and a lock recess at an external periphery thereof. The stationary sleeve is sleeved onto the coupling member, having two first lock portions corresponding to the limit recess, a springy part formed at a rear end thereof, and a second lock portion formed at a distal end of the springy part. The first lock portions are stopped against the lock recess. The second lock portion is locked to the lock recess. The adjustment sleeve includes a lip portion at a front end thereof for lying against a surface of a workpiece and is threadably connected with the stationary sleeve to be movably mounted to the stationary sleeve.

REFERENCES:
patent: 4030383 (1977-06-01), Wagner
patent: 4647260 (1987-03-01), O'Hara et al.
patent: 5341704 (1994-08-01), Klemm
patent: 6240816 (2001-06-01), Riedl et al.
patent: 6499381 (2002-12-01), Ladish et al.
patent: 6912932 (2005-07-01), Kriaski et al.

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