Cutting by use of rotating axially moving tool – Machine including plural tools – Turret of tools
Reexamination Certificate
2008-05-13
2008-05-13
Howell, Daniel W. (Department: 3722)
Cutting by use of rotating axially moving tool
Machine including plural tools
Turret of tools
C173S046000, C173S214000
Reexamination Certificate
active
07371033
ABSTRACT:
A pistol grip drill (1) has two control triggers (3and9) on its hand grip (4). One trigger (3) controls power to a motor in a casing (2) of the drill and the other trigger (9) initiates a sequence which interchanges the positions of two chucks (20, 21). The chucks (20, 21) are mounted on a forward extension (8) of the casing (2). The extension (8) has two degrees of freedom. It is firstly capable of rotating through ninety degrees about the axis of a pivot (14) to bring the unused chuck to the driving position in front of the casing (2). The second degree of freedom allows the extension to be then rotated about the driving axis of a drill drive shaft (5) so that the displaced chuck is moved from an upwardly-pointing position to a downwardly position directly in front of the pistol grip. The interchanging of the chucks (20, 21) can be controlled by the hand of the user holding the hand grip (4).
REFERENCES:
patent: 2303565 (1942-12-01), Luna
patent: 2919609 (1960-01-01), Klingbeil
patent: 5573358 (1996-11-01), Gobbers et al.
patent: 6506002 (2003-01-01), Cummins
patent: 6715969 (2004-04-01), Eriksen
patent: 631615 (1990-10-01), None
patent: 4340740 (1995-06-01), None
patent: 20205898 (2002-09-01), None
patent: 0673723 (1995-09-01), None
patent: 2230444 (1974-12-01), None
patent: 2343646 (2000-05-01), None
patent: WO 2004/105986 (2004-12-01), None
Baker & Hostetler LLP
Howell Daniel W.
Whitehot Solutions Pty Ltd
LandOfFree
Twin chuck drill with one drive shaft does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Twin chuck drill with one drive shaft, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Twin chuck drill with one drive shaft will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2803224