US 4,454,866 AGranted

Bathroom appliance for concurrently sharpening razor blades and treating gum tissue by spaced pressure pulses of liquid

OwnerCarl F. Fayeninventor

Life of this patent

Estimating the term…

Loading patent…

Abstract

A bathroom appliance for concurrently sharpening single or double edged razor blades and treating gum tissue by applying spaced pressure pulses of liquid to depress discrete areas of gum tissue with the spacing of said pulses one from the other of a duration which provides for rebound time for the gum tissue including a gum treating modular assembly and a razor blade sharpening modular assembly having a sharpening roller rotatably driven by the motor which drives the pump of the gum treating modular assembly and having a razor blade holder, the axis of which is parallel to the axis of the sharpening roller. The liquid holding means of the gum treating modular assembly includes a liquid level indicator designating the minimum amount of liquid needed in the reservoir to require operation of the pump and motor to the minimum extent necessary to drive the sharpening roller the number of rotations to impart and maintain a uniformly sharp edge on the razor blade.

Claims9

Dependent claims

Apparatus for sharpening single or double edged razor blades and for concurrently treating gum tissue by applying spaced pressure pulses of liquid to depress discrete areas of gum tissue with the spacing of said pulses one from the other of duration which provides for rebound time for said gum tissue comprising a gum-treating modular assembly comprising:

(a) a liquid pump having an intake port, a discharge port and means for supplying time-spaced pressure pulses of liquid to said discharge port;
(b) a reservoir for holding a supply of said liquid, said reservoir being provided with a liquid level indicator designating the minimum amount of liquid needed in said reservoir to require operation of said pump and motor to the minimum extent necessary to drive said sharpening roller the number of rotations required to maintain a uniformly sharp edge on said razor blade;
(c) means for supplying liquid from said reservoir to said intake port;
and
(d) a motor for driving said pump means;
and a razor blade sharpening modular assembly comprising
(e) a sharpening roller rotatably driven by said motor;
and
(f) a blade holder having its axis parallel to the axis of said roller for holding said razor blade with its edge against said sharpening roller in sharpening contact therewith.

6 more elements

Dependencies are inferred from the claim text.