Electric shaver

• US 20070227007A1
• Filed: 05/29/2007
• Published: 10/04/2007
• Est. Priority Date: 07/22/2003
• Status: Abandoned Application

• Current Assignee: Panasonic Electric Works Company Limited (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Electric Works Company Limited (Panasonic Holdings Corporation)
• Inventors: Ikuta, Toshio, Fukutani, Makoto
• Application Number:
  US11/802,973
• Publication Number:
  US 20070227007A1
• Time in Patent Office: Days
• US Class Current: 30/43.100
• CPC Class Codes: B26B 19/10 involving two or more different types of reciprocating cutting elements, e.g. a pair of toothed shearing elements combined with a pair of perforated cutting elements or a combined toothed and perforated cutting assembly

Abstract

An electric shaver includes a plurality of outer cutter frames connected to an electric shaver main body, the outer cutter frames accommodating therein short hair cutter blocks and long hair cutter blocks. Each of the outer cutter frames is floatably and swingably movable with respect to the electric shaver main body according to an amount of pressure applied to the outer cutter frame by a skin.

Claims

1. An electric shaver comprising, a plurality of outer cutter frames connected to an electric shaver main body, the outer cutter frames accommodating therein short hair cutter blocks and long hair cutter blocks, wherein each of the outer cutter frames is floatably and swingably movable with respect to the electric shaver main body according to an amount of pressure applied to the outer cutter frames by a skin.

2. The electric shaver of claim 1, wherein each hair cutter block includes a stationary cutter and a movable cutter and each of the outer cutter frames is floatably and swingably movable on a plane substantially parallel to a moving direction of the movable cutter.

3. The electric shaver of claim 1, further comprising an outer cutter frame block fixedly mounted on the electric shaver main body, the outer cutter frames being movably installed on the outer cutter frame block,

wherein each of the outer cutter frames includes two opposite end portions into each of which one of two opposite end portions of the outer cutter frame block is loosely inserted to allow the outer cutter frames to make floatable and swingable movements independently with respect to each other.

4. The electric shaver of claim 3, wherein each of said two opposite end portions of each of the outer cutter frames is provided with a groove into which said one of the end portions of the outer cutter frame block is inserted, said one of the end portions of the outer cutter frame block having a plate shape of which a thickness is smaller than a width of the groove.

5. The electric shaver of claim 4, wherein the groove runs substantially normal to a moving direction of a movable cutter included in a hair cutter block such that an opening portion of the groove is wider than a base portion thereof.

6. The electric shaver of claim 4, wherein a couple of protrusions are formed inside the groove and said one of the end portions of the outer cutter frame block is movably placed between the protrusions, allowing each of the outer cutter frames to move floatably and swingably with respect to the outer cutter frame block.

7. The electric shaver of claim 4, wherein the groove has a connecting member formed across inner wall surfaces thereof and said one of the end portions of the outer cutter frames block is provided with a slit into which the connecting member is movably inserted such that the connecting member is slidable along the slit.

8. The electric shaver of claim 7, wherein the slit is provided with a separation prevention member preventing the connecting member from being separated from the slit.

9. The electric shaver of claim 1, wherein the electric shaver main body includes:

a main body head portion having the outer cutter frames attached thereto; and

a main body grip portion,

wherein the main body head portion is connected to the main body grip portion via a plurality of resilient members disposed around a peripheral portion thereof, so that the main body head portion is floatably and swingably movable with respect to the main body grip portion.

10. The electric shaver of claim 1, wherein at least two of the outer cutter frames are independently movable with respect to each other.

11. The electric shaver of claim 1, wherein at least two of the hair cutter blocks accommodated in the outer cutter frames are independently movable with respect to each other.

12. An electric shaver comprising:

an electric shaver main body; and

a plurality of outer cutter frames connected to the electric shaver main body, each of the outer cutter frames having a short hair cutter block and a long hair cutter block,

wherein each of the outer cutter frames is linearly and rotationally movable with respect to the electric shaver main body.

13. The electric shaver of claim 12, wherein each hair cutter block includes a stationary cutter and a movable cutter and each of the outer cutter frames is linearly and rotationally movable on a plane substantially parallel to a moving direction of the movable cutter.

14. The electric shaver of claim 12, further comprising an outer cutter frame block fixedly mounted on the electric shaver main body, the outer cutter frames being movably installed on the outer cutter frame block,

wherein each of the outer cutter frames includes two opposite end portions into each of which one of two opposite end portions of the outer cutter frame block is loosely inserted to allow the outer cutter frames to make linear and rotating movements independently with respect to each other.

15. The electric shaver of claim 14, wherein each of said two opposite end portions of each of the outer cutter frames is provided with a groove into which said one of the end portions of the outer cutter frame block is inserted, said one of the end portions of the outer cutter frame block having a plate shape of which a thickness is smaller than a width of the groove.

16. The electric shaver of claim 15, wherein the groove runs substantially normal to a moving direction of a movable cutter included in a hair cutter block such that an opening portion of the groove is wider than a base portion thereof.

17. The electric shaver of claim 15, wherein a couple of protrusions are formed inside the groove and said one of the end portions of the outer cutter frame block is movably placed between the protrusions, allowing each of the outer cutter frames to move linearly and rotationally with respect to the outer cutter frame block.

18. The electric shaver of claim 15, wherein the groove has a connecting member formed across inner wall surfaces thereof and said one of the end portions of the outer cutter frames block is provided with a slit into which the connecting member is movably inserted such that the connecting member is slidable along the slit.

19. The electric shaver of claim 18, wherein the slit is provided with a separation prevention member preventing the connecting member from being separated from the slit.

20. The electric shaver of claim 12, wherein the electric shaver main body includes:

a main body head portion having the outer cutter frames attached thereto; and

a main body grip portion,

wherein the main body head portion is connected to the main body grip portion via a plurality of resilient members disposed around a peripheral portion thereof, so that the main body head portion is linearly and rotationally movable with respect to the main body grip portion.