Cutting by use of rotating axially moving tool – With signal – indicator – illuminator or optical means
Patent
1989-12-18
1990-11-27
Howell, Daniel W.
Cutting by use of rotating axially moving tool
With signal, indicator, illuminator or optical means
33334, 206379, 279 1K, 408241R, B23B 4500
Patent
active
049732056
ABSTRACT:
An apparatus is set forth wherein a hand drill includes a conventionally configured elongate housing with an elongate orthogonally extending handle relative thereto, with a forwardly mounted collet to receive drill bits therewithin. The apparatus further includes a transparent drill bit housing pivotally mounted to an upper surface of the central housing body of the drill formed with a snap-fit cover to receive drill bits in a convenient and accessible manner. A bifurcated chuck-key holder includes resilient legs defining a slot to resiliently secure a chuck-key therewithin. A series of spirit levels are further provided wherein the levels include a mercury encapsulate leveling member to accommodate vibration in use of the drill, wherein the levels are positioned within an extension housing of the drill bit housing to provide various visible orientations of the levels during use of the drill. Further, an illumination member in operative association with the trigger switch of the drill is mounted between the chuck-key holder and the associated chuck, wherein optionally the illumination member may be provided within a telescoping housing to provide enhanced illumination of workpieces.
REFERENCES:
patent: 3864839 (1975-02-01), Wolf
patent: 4402141 (1983-09-01), Sterrenberg
patent: 4432146 (1984-02-01), Klein
patent: 4457078 (1984-07-01), Suchy
patent: 4508221 (1985-04-01), Olson
patent: 4656749 (1987-04-01), Ashley et al.
patent: 4785544 (1988-11-01), Heinsius
patent: 4797040 (1989-01-01), Hibbard
Gilden Leon
Howell Daniel W.
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