发明名称 |
Multimeter |
摘要 |
A multimeter includes: a rotary switch which selects a measurement function; a common terminal hole into which a connector of a test probe is inserted; selection terminal holes into which the connector of the test probe is selectively inserted; and shutter plates which selectively open the selection terminal holes. The rotary switch includes convex portions. The shutter plate includes a hole corresponding to the common terminal hole so that the shutter plate rotates by using the center of the common terminal hole as the rotation axis and includes a concave portion engageable with the convex portion so that the shutter plate rotates to open the selection terminal holes by the movement of the convex portion. The shutter plate includes a concave portion engageable with the convex portion so that the shutter plate opens and closes the selection terminal hole by the movement of the convex portion. |
申请公布号 |
US8981759(B2) |
申请公布日期 |
2015.03.17 |
申请号 |
US201313929072 |
申请日期 |
2013.06.27 |
申请人 |
Hioki E.E. Corporation |
发明人 |
Heishi Toshio;Miyazawa Yoshiyuki |
分类号 |
G01R15/08;G01R1/00;G01R1/38;G01R1/04;G01R15/00;G01R15/12 |
主分类号 |
G01R15/08 |
代理机构 |
Oliff PLC |
代理人 |
Oliff PLC |
主权项 |
1. A multimeter comprising:
a rotary switch which selects a measurement function; a common terminal hole into which a connector of a test probe is inserted; a plurality of selection terminal holes into which a connector of the other test probe is selectively inserted; and a shutter plate which is driven by the rotation of the rotary switch and selectively opens the selection terminal holes, wherein the rotary switch includes a first convex portion and a second convex portion which move along with the rotation thereof, a first shutter plate and a second shutter plate are provided as the shutter plate, the first shutter plate includes a hole corresponding to the common terminal hole so that the first shutter plate rotates by using a center of the common terminal hole as a rotation axis and includes a first concave portion engageable with the first convex portion so that the first shutter plate rotates in a reciprocating manner so as to open any one of a first selection terminal hole and a second selection terminal hole by the movement of the first convex portion, and the second shutter plate includes a second concave portion engageable with the second convex portion so that the second shutter plate rotates in a reciprocating manner so as to open and close a third selection terminal hole by the movement of the second convex portion. |
地址 |
Ueda JP |