Hair-cutting apparatus comprising a hair suction device

• US 20050204564A1
• Filed: 06/18/2003
• Published: 09/22/2005
• Est. Priority Date: 06/26/2002
• Status: Active Grant

• Current Assignee: Koninklijke Philips Electronics N.V. (Koninklijke Philips N.V.)
• Original Assignee: Koninklijke Philips Electronics N.V. (Koninklijke Philips N.V.)
• Inventors: Obermann, Wolfgang Johannes
• Granted Patent: US 7,228,630 B2
• Time in Patent Office: Days
• US Class Current: 30/124
• CPC Class Codes: B26B 19/44 Suction means for collecting severed hairs or for the skin to be shaved

Abstract

In a hair-cutting apparatus (1) with a cutting device (9) for cutting hair, a suction device (17) is provided for drawing off cut of hair, wherein the suction device (17) is equipped with a suction channel (21), which is bounded by channel walls (22, 23, 24, 25, 26, 27, 28, 29) and is equipped with a suction opening (30), located in the vicinity of the cutting device (9) wherein the suction device (17) is equipped with at least one component (35, 37) to change the flow rate in the are in the area of the suction opening (30).

Claims

1. A hair-cutting apparatus (1)

with a cutting device (9) for cutting hair, and

with a suction device (17) for drawing off cut pieces of hair, said suction device (17) being equipped with a suction channel (21), which is bounded by channel walls (22, 23, 24, 25, 26, 27, 28 29), at least some of which (22, 24, 26, 28) extend into the vicinity of the cutting device (9) and, with the ends located in the vicinity of the cutting device (9), bound a suction opening (30) through which air can be drawn into the suction channel (21) in one suction direction (31) at a specific flow rate,

wherein the suction device (17) being equipped with varier means (36) for varying the flow rate in the area of the suction opening (30).

2. A hair-cutting apparatus (1) as claimed in claim 1,

wherein the varier means (36) comprising a section (35) of a channel wall (22), which section (35) bounds the suction opening (30) and which section (35) being more able in relation to the other channel walls (23, 24, 25, 26, 27, 28, 29).

3. A hair-cutting apparatus (1) as claimed in claim 2,

wherein the varier means (36) being equipped with a spring means (37) interacting with the section (35) of channel wall (22), said spring means (37) spring-loads the section (35) counter to suction direction (31), and

wherein the section (35) being designed and disposed to interact with the hair to be cut and, during the interaction with the hair to be cut, being more able counter to the force of spring means (37).

4. A hair-cutting apparatus (1) as claimed in claim 3,

wherein the spring means (37) being in the form of a rod-type or leaf-type spring (37) that extends essentially transversely to the suction direction (31), and has a curved shape.

5. A hair-cutting apparatus (1) as claimed in claim 4,

wherein the spring force of the rod-type or leaf-type spring (37) lies in a range between 10 mN and 50 mN.