Switch

Patent metadata

Field	Value
Publication number	US-9812267-B2
Application number	US-201615142681-A
Country	US
Kind code	B2
Filing date	Apr 29, 2016
Priority date	May 29, 2015
Publication date	Nov 7, 2017
Grant date	Nov 7, 2017

Abstract

A switch, with enhanced operability and capable of changing control circuits independently by one hand, has a printed circuit board, first and second wiring patterns provided on one surface of the printed circuit board, first and second crank members supported for rotation above the printed circuit board, a first switching slider configured to rotate with the first crank member as the first switching slider slides an the first wiring pattern; and a second switching slider configured to rotate with the first crank member as the second switching slider slides on the second wiring pattern. The first and second crank members are positioned at respective positions where they are driven by one hand of an operator.

First claim

What is claimed is:

1. A switch mechanism, comprising:
a first switching member configured to reciprocally move straight in a direction;
a second switching member configured to reciprocally move straight in the direction, the first switching member and the second switching member being disposed close to each other so that an operator can operate the first switching member and the second switching member by his or her one hand;
a first crank member mounted for rotation about a first axis, the first crank member being engaged with the first switching member so that the first crank member reciprocally rotates about the first axis as the first switching member reciprocally moves straight;
a second crank member mounted for rotation about a second axis, the second crank member being engaged with the second switching member so that the second crank member reciprocally rotates about the second axis as the second switch member reciprocally moves straight;
a first slider mounted on the first crank member;
a second slider mounted on the second crank member;
a printed circuit board;
a first wiring pattern printed on the circuit board, the first wiring pattern being disposed so that the first slider makes contacts with the first wiring pattern during the rotation of the first crank member; and
a second wiring pattern printed on the circuit board, the second wiring pattern being disposed so that the second slider makes contacts with the second wiring pattern during the rotation of the second crank member.

2. The switch mechanism of claim 1 ,
wherein the first slider includes a first contact portion and a second contact portion; and
wherein the first wiring pattern comprises:
a first wiring portion extending continuously in a first peripheral direction about the first axis so that the first contact portion is always in contact with the first wiring portion during the rotation of the first crank member; and
a second wiring portion having a first segment and a second segment, the first segment and the second segment being spaced away from each other to define therebetween a zone in which the second contact portion is in contact with neither the first segment nor the second segment.

3. The switch mechanism of claim 2 ,
wherein the second slider comprises a first contact portion and a second contact portion,
wherein the second wiring pattern comprises:
a first wiring portion extending continuously in a second peripheral direction about the second axis so that the first contact portion of the second slider is always in contact with the first wiring portion of the second wiring pattern during the rotation of the second crank member, and
a second wiring portion comprising a first segment, a second segment, and a third segment, the second segment and the third segment of the second wiring pattern being disposed on opposite sides of the first segment of the second wiring pattern and spaced away from the first segment of the second wiring pattern in the peripheral direction about the second axis.

4. A power tool, comprising the switch of claim 1 .

5. A power tool, comprising the switch of claim 3 .

Assignees

• Omron Tateisi Electronics Co

Inventors

• Hozumi Akihiro

Classifications

• H01H15/005

  adapted for connection with printed circuit boards · CPC title

• H01H15/22

  having a single operating part protruding from different sides of switch casing for alternate actuation from opposite ends · CPC title

• B25B21/00

  Portable power-driven screw or nut setting or loosening tools; (details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F5/00; {for mounting or dismounting wheels B60B29/006}); Attachments for drilling apparatus serving the same purpose (machines B23P19/06) · CPC title

• H01H9/063 Primary

  enclosing a reversing switch · CPC title

• H01H2009/065

  Battery operated hand tools in which the battery and the switch are directly connected · CPC title