Geometrical instruments – Straight-line light ray type – Alignment device
Reexamination Certificate
2005-05-31
2005-05-31
Fulton, Christopher W. (Department: 2859)
Geometrical instruments
Straight-line light ray type
Alignment device
C033S334000, C408S016000
Reexamination Certificate
active
06898860
ABSTRACT:
An auxiliary handle with a laser alignment device for drills comprises a grip portion for grasping, an opened collar which can be engaged with shoulder of the drill, and a clamp means for locking or loosing the opened collar. The auxiliary handle also comprises a first laser generator which can project a fanned planar laser beam, a battery pack which can be used to power the first laser generator, and a switch for turning on or turning off the first laser generator, the fanned laser beam which is projected by the first laser generator is in alignment with the central axis of the opened collar. Such that the fanned laser beam is in alignment with the central axis of the chuck when the auxiliary handle is mounted on the drill.
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United Kingdom Patent Office Search Report under Section 17(5) of Patents Act 1977—issued Feb. 9, 2004 for co-pending United Kingdom Application No. 0326883.6.
Chervon International Trading Co. Ltd.
Fulton Christopher W.
Wallenstein Wagner & Rockey Ltd.
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