Metal working – Means to assemble or disassemble – Spreading parts apart or separating them from face to face...
Patent
1986-11-20
1988-03-15
Watson, Robert C.
Metal working
Means to assemble or disassemble
Spreading parts apart or separating them from face to face...
24278, 206355, 206359, B23P 1904
Patent
active
047303760
ABSTRACT:
A blade removal apparatus for a changeable blade scalpel in which a blade is removably mounted on a scalpel handle by fitting a mounting hole formed in the blade over a blade mounting part having a narrow width provided on the tip end of the scalpel handle. The blade removal apparatus has a box part having an open top and a side wall and an acceptor part projecting laterally from the upper part of the side wall, and a cover part closing the open top and having a visored part extending over the acceptor part. A guide edge on the acceptor part defines a lower gap tapered so as to become narrower as it extends to the inside of the box part and into which blade mounting parts of changeable blade scalpels of various types can be inserted. The cover part has a stopping stepped part defining an upper gap between the lower surface of the visored part and the guide edge and into which upper gap a blade on a scalpel is insertable. The stopping stepped part has an angle notch engageable by a blade root end edge on a blade, a pair of stoppers projecting from the lower side of the cover part of both sides of the lower gap, and a push button which can be pushed down from the cover into the box part and having a pair of projection pieces which, make contact with the stoppers for forcing the blade surface located on both sides of the blade mounting part on the scalpel down for lifting the blade root end edge of the blade and thereby causing the blade root and edge to be engaged with the angle notch of the stopping stepped part.
REFERENCES:
patent: 3172316 (1965-03-01), Grieshaber
patent: 3941243 (1976-03-01), Yamada et al.
patent: 4168777 (1979-09-01), Gaskell et al.
patent: 4180162 (1979-12-01), Magney
patent: 4270416 (1981-06-01), Thompson
patent: 4386457 (1983-06-01), Coombs
patent: 4395807 (1983-08-01), Eldridge et al.
patent: 4466539 (1984-08-01), Frauenhoffer
Feather Kogyo Kabushiki Kaisha
Watson Robert C.
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