IP Library Granted Patent US 11,813,761
Granted Patent B2
US 11,813,761 · App. 18/043,718 · Granted Nov 14, 2023

Handle bending razor

Inventor: Masashi Usuda (Seki, JP)
Assignee: KAI R&D CENTER CO., LTD.
B26B21/521B26B21/225
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Quick Facts
Patent No.
US 11,813,761
App. No.
18/043,718
Granted
Nov 14, 2023
Kind
B2
Abstract

A handle bending razor includes a grip portion, a razor head, and a head coupling portion. The razor head has a blade body, a blade assembly body, a connecting portion, and an elastic support body. The handle bending razor includes a switching mechanism which can change an angle formed by a contact surface and an up-down direction and, when an external force is not applied, switches between a first state in which a neutral angle formed by the contact surface and the up-down direction is a first angle, and the contact surface and the up-down direction become substantially parallel and a second state in which the neutral angle is a second angle larger than the first angle. In the second state, when the external force is applied, the blade assembly body is tiltable to a position where the contact surface and the up-down direction become substantially perpendicular.

Claims (32)

1. A handle bending razor, comprising:

a grip portion extending in an up-down direction and capable of being gripped by a user;

a razor head extending in a left-right direction;

a head coupling portion coupled with an upper end of the grip portion rotatably around a rotating shaft extending in the left-right direction crossing the up-down direction and coupled with the razor head,

wherein the razor head comprises:

a blade body with the left-right direction as a longitudinal direction;

a blade assembly body having a contact surface brought into contact with the user's skin together with the blade body and to which the blade body is assembled;

a connecting portion connected to the head coupling portion; and

an elastic support body which is provided between the connecting portion and the blade assembly body and supports the blade assembly body tiltably in the up-down direction and a front-back direction crossing the left-right direction; and

a switching mechanism coupled to the head coupling portion for changing an angle formed by the contact surface and the up-down direction by an operation by the user and, when the blade assembly body is at a neutral position where an external force is not applied, switches between a first state in which a neutral angle formed by the contact surface and the up-down direction is a first angle and the contact surface and the up-down direction become substantially parallel and a second state in which the neutral angle becomes a second angle larger than the first angle is provided,

wherein in the second state, when the external force is applied, the blade assembly body is tiltable to a position where the contact surface and the up-down direction become at least substantially perpendicular,

wherein the switching mechanism has an operation portion exposed to an outer side of the grip portion and includes a movable body moving between a first position where the first state is maintained and a second position where the second state is maintained,

wherein the movable body has movement from the first position to the second position regulated, and

wherein the regulation on the movement of the movable body from the first position to the second position is released by pressing-down on the operation portion by the user.

2. The handle bending razor according to claim 1 ,

wherein in the case of forward shaving, by having the first state, the contact surface can move on a skin of the user's cheek in the state where the grip portion extends to a lower direction and by having the second state, the contact surface can move on the skin under the user's chin without interference of a lower end of the grip portion with the user's body, and

wherein in the case of reverse shaving, by having the second state, the contact surface can move on the skin of the user's cheek in the state where the grip portion extends to the lower direction.

3. The handle bending razor according to claim 1 ,

wherein the first angle is in the range from 5° to 25°, and

wherein in the second state, when the external force is applied, the blade assembly body is tiltable such that the second angle formed by the contact surface and the up-down direction becomes 80° or more.

4. The handle bending razor according to claim 1 ,

wherein a difference between the second angle and the first angle is in the range from 20° to 40°.

5. The handle bending razor according to claim 1 ,

wherein in the grip portion, a groove accommodating a part of the movable body is formed along the up-down direction, and

wherein a width in the left-right direction of the operation portion is larger than a width in the left-right direction of the groove.

6. The handle bending razor according to claim 1 ,

wherein in the first state, a first direction from the rotating shaft to the elastic support body is substantially parallel to the up-down direction in which the grip portion extends, and

wherein in the second state, a second direction from the rotating shaft to the elastic support body is directed to a rear side, which is a side opposite to the front side to which a blade edge of the blade body in the first state can be exposed as compared with the first direction.

7. The handle bending razor according to claim 1 ,

wherein the grip portion has a part recessed and formed on a front side of the grip portion and between the upper end and a lower end of the grip portion when viewed on a plan view from the left-right direction.

8. The handle bending razor according to claim 1 ,

wherein in the grip portion, at least a part of an outer periphery between the upper end and a lower end of the grip portion is smaller than an outer periphery of the lower end.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 18, 2023
From: USUDA, MASASHI
To: KAI R&D CENTER CO., LTD.
Reel/Frame 063687/0385 →
Priority Claims (1)
JP 2020-149243 · Sep 4, 2020 · national
Continuity (1)
Related Publication 20230249370A1 · Aug 10, 2023