Cutlery – Pipe and rod cutters – Rotary
Patent
1993-05-19
1994-04-12
Seidel, Richard K.
Cutlery
Pipe and rod cutters
Rotary
30 92, 33773, B23D 2108
Patent
active
053014278
ABSTRACT:
A rigid housing has an axially extending opening which receives a length of cylindrical tubing therethrough. A measuring assembly is mounted to the housing and has a circular friction wheel which is rotatable about an axis which is perpendicular to the axis of the tubing. The friction wheel extends into the opening into engagement with the tubing, such that as the tubing is advanced through the housing, the wheel is turned. An encoder wheel is fixed to the friction wheel to allow a photodetector to determine the angular displacement of the wheel. An electric controller receives signals from the photodetector and calculates the linear length of tubing which has passed beneath the wheel and displays this on a liquid crystal display. A cutting assembly is mounted to the housing and spaced axially from the measuring assembly. The cutting assembly has a cutting blade which is rotatable about an axis substantially perpendicular to the friction wheel axis. The cutting assembly is vertically adjustable to be clear of the pipe as it is advanced through the housing, and to be brought into cutting contact when the desired length of tubing is shown on the display. Spring loaded wedges are adjustable to securely position tubing of different diameters.
REFERENCES:
patent: 76729 (1868-04-01), DeGalleford et al.
patent: 1811046 (1981-06-01), Goldhagen
patent: 2517355 (1950-08-01), Runnells
patent: 3049956 (1962-08-01), Lynch, Sr.
patent: 4205447 (1980-06-01), Smith
patent: 4457071 (1984-07-01), Alphonso
patent: 4481714 (1984-11-01), Nelson
patent: 4831732 (1989-05-01), Garton
patent: 5033153 (1991-07-01), Post
patent: 5033344 (1991-07-01), Ohnedea et al.
Peterson Kenneth E.
Seidel Richard K.
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