Cutting by use of rotating axially moving tool – With product handling or receiving means
Patent
1984-05-14
1985-11-12
Bilinsky, Z. R.
Cutting by use of rotating axially moving tool
With product handling or receiving means
29DIG56, 74609, 74612, 144251A, 408241G, 409134, B23B 4734, B23Q 1108
Patent
active
045524947
ABSTRACT:
This safety shield is collapsible and for use with a vertical drill press to protect the press operator from injury. The shield includes a pair of interconnected telescoping hollow cylinders, with the top cylinder of elongated shape that is mounted to a non-rotating, vertically movable drill housing member, while the lower cylinder is also of elongated shape and it is suspended from the top cylinder and is capable of telescoping with respect to the top cylinder. The top end of the top cylinder has a novel adjustable clamping collar so the collar may expand and contract, and fastening means are used for tightening and loosening the collar with respect to the drill housing member. The lower cylinder of the shield is also fitted with an enlarged collar adjacent its top end of about the same size as the adjustable collar of the top cylinder. A vertical pair of opposed tubular bearings are mounted on the upper collar, and an aligned pair of vertical tubular bearings are mounted on the lower collar, and a vertical elongated slide pin is mounted between the aligned bearings of both collars. The lower end of the slide pin is fixed with respect to the lower collar of the lower cylinder. One side of the lower cylinder is removed for gaining ready access to the interior thereof for adjusting the drill chuck and replacing the drill bits. The bottom of the lower cylinder is closed by a wall that is furnished with a central opening supporting a downwardly projecting tubular drill guide.
REFERENCES:
patent: 1058149 (1913-04-01), Campbell
patent: 1563887 (1925-12-01), Wiespetat
patent: 3704959 (1972-12-01), John
patent: 3787138 (1974-01-01), Vernon et al.
patent: 4132497 (1979-01-01), Weller et al.
patent: 4290717 (1981-09-01), Aslen
Bilinsky Z. R.
Caslin Richard L.
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