Device for cutting a cylindrical article

Details Device for cutting a cylindrical article Device for cutting a cylindrical article

1977-06-02

1979-04-03

Whitehead, Harold D.

Cutlery

Pipe and rod cutters

Rotary

B23D 2104

Patent

active

041469593

ABSTRACT:
A device for cutting a cylindrical article, such as a window shade or the like, comprises a tubular support for encircling the article and a guide mounted with the support for rotation about the support axis. The guide has a radially outwardly projecting arm that is formed to be engaged by an operator. A knife blade, having a cutting edge, is mounted in the guide for movement from a first position with the cutting edge tangentially intersecting the tubular section defined by the support to a second position with the cutting edge chordally intersecting the tubular section. A spring urges the knife from its first to its second position while the guide is rotated about the support.

REFERENCES:
patent: 717800 (1903-01-01), Bell
patent: 823796 (1906-06-01), Leyes
patent: 1165176 (1915-12-01), Hornor
patent: 2615516 (1952-10-01), Hyde
patent: 2817255 (1957-12-01), Lormeau
patent: 2869413 (1959-01-01), Anderson
patent: 2903064 (1959-09-01), Blonder
patent: 3169315 (1965-02-01), Mankovitz
patent: 3254407 (1966-06-01), Apa et al.
patent: 3688404 (1972-09-01), Muller
patent: 3714712 (1973-02-01), Hoffman

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