Cutting – With control means responsive to replaceable or selectable...
Patent
1984-03-26
1986-07-29
Watts, Douglas D.
Cutting
With control means responsive to replaceable or selectable...
30133, 30202, 132 45R, B26D 530
Patent
active
046025421
ABSTRACT:
An automatic hair cutting apparatus comprises a hair cutter, hair cutter control mechanism for adjusting the cut length, a frame for holding the human head in a specific fixed position, a robot arm coupled to the hair cutter and to the frame for positioning the hair cutter at specific positions on the human head, and a computer coupled to the cutter control mechanism and to the robot arm for controlling the hair cutter position and length according to a desired haircut style. The hair cutter comprises a vacuum source, a cutter tube with one end opening coupled to the vacuum source and another end opening having powered blades that do not obstruct the air flow and impart cutting action to the entire cross section of the cutter tube, a stretcher tube that can slide over the cutter tube for changing the length of the cut, a stepper motor with threaded shaft connected to the cutter tube and the stretcher tube for adjusting the length of the cut.
The frame comprises a first member with a notch at one end positioned to fit over the nose bridge of the human head, a second member positioned to touch the front of the chin, a third and fourth members positioned to touch the sides of the jaws, and a fifth member positioned to touch the underside of the chin.
REFERENCES:
patent: 1238061 (1917-08-01), Bourdelat
patent: 3413985 (1968-12-01), Dlouhy et al.
patent: 3828377 (1974-08-01), Fary
patent: 4133235 (1979-01-01), Gerber
patent: 4235472 (1980-11-01), Sparks et al.
patent: 4314405 (1982-02-01), Park
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