Hand machine tool with depth stop

Details Hand machine tool with depth stop Hand machine tool with depth stop

2001-09-13

2003-08-26

Howell, Daniel W. (Department: 3722)

Cutting by use of rotating axially moving tool

With stopping upon completion of prescribed operation

C016S426000, C408S113000, C408S24100G

Reexamination Certificate

active

06609860

ABSTRACT:

RELATED ART
The invention is based on a manual machine tool according to the preamble of claim
1
.
Manual machine tools, particularly manual boring machines and hammer drills, having a bit stop that can be attached to the neck of the housing are known, by means of which holes can be bored with a depth limitation that can be adjusted approximately identically. To adjust the bit stop to a desired extent using the known manual machine tools, a clamping bolt must be loosened, so that the rod-shaped bit stop can be adjusted in its longitudinal guide. The clamping bolt must then be tightened in its selected adjusted position in order to prevent the adjusted position from changing unintentionally, whereby the loosening and tightening of the clamping bolt is time-consuming, complicated and, due to the non-positive manner of fastening, unstable.
ADVANTAGES OF THE INVENTION
The manual machine tool according to claim
1
has the advantage that the bit stop can be adjusted conveniently and quickly without having to support the manual machine tool on a base.
Additionally, the position of the bit stop is more stable as a result of its positive fixation, because it is more difficult to move unintentionally.


REFERENCES:
patent: 1929585 (1933-10-01), Henry
patent: 2978931 (1961-06-01), Broden
patent: 3456740 (1969-07-01), Paule et al.
patent: 3537336 (1970-11-01), Schmuck
patent: 3633682 (1972-01-01), Moores, Jr.
patent: 3779663 (1973-12-01), Ruggles
patent: 4113404 (1978-09-01), Lippacher et al.
patent: 4256422 (1981-03-01), Theissig et al.
patent: 4276675 (1981-07-01), Pioch
patent: 4354779 (1982-10-01), Vaughan
patent: 4368556 (1983-01-01), Wanner et al.
patent: 4820090 (1989-04-01), Chen
patent: 4881294 (1989-11-01), Riedl
patent: 5049012 (1991-09-01), Cavedo
patent: 5690451 (1997-11-01), Thurler et al.
patent: 5918685 (1999-07-01), Ulbrich et al.
patent: DL-234814 (1986-04-01), None
patent: 28 32 429 (1980-02-01), None
patent: 2918586 (1980-11-01), None
patent: 3214182 (1983-10-01), None
patent: 36 32 377 (1988-03-01), None
patent: 3639281 (1988-05-01), None
patent: 2165480 (1986-04-01), None
patent: 2 288 757 (1995-11-01), None
patent: 227306 (1984-12-01), None
patent: 188612 (1987-08-01), None

Affiliated with

Also associated with

Rating

Hand machine tool with depth stop does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hand machine tool with depth stop, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hand machine tool with depth stop will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3077249