Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Frictionally engaging sides of opening in work
Reexamination Certificate
2005-03-22
2005-03-22
Howell, Daniel W. (Department: 3722)
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
Frictionally engaging sides of opening in work
C408S088000, C408S098000, C408S234000
Reexamination Certificate
active
06869258
ABSTRACT:
A drill stand (1) for a manually operable tool device (2) is formed of a fixedly mountable base plate (4) having a through passageway (5) extending perpendicularly therethrough for the passage of a clamping bolt (6) having at least one axially effective stop shoulder (7a, 7b), so that at least one detent means (8) with an axially effective counter shoulder (10a, 10b) for axial form-locking engagement of the shoulder stops (7a, 7b) of the clamping bolt (6). At least one manually operable eccentric cam (11a, 11b) affords axial clamping of the clamping bolt (6) locked by the detent means (8) and arranged relative to the through passageway (5).
REFERENCES:
patent: 2084686 (1937-06-01), Howard
patent: 2496939 (1950-02-01), Gonzalez
patent: 2963927 (1960-12-01), Hanger
patent: 3663115 (1972-05-01), Vindez et al.
patent: 5062746 (1991-11-01), Deremo
patent: 09323317 (1997-12-01), None
Flock Marcus
Hammerstingl Stefan
Hilti Aktiengesellschaft
Howell Daniel W.
Sidley Austin Brown & Wood LLP
Williams J
LandOfFree
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