電力失陥時に解除状態となる、薄型空圧駆動ドッキングモジュール

Japanese Patent JP4139224

B2

A docking mechanism for docking a test head with a peripheral includes a latching mechanism that extends from a pneumatically actuated piston. The latching mechanism includes a latch barrel, a latchpin, and a biasing spring. The latchpin moves within the latch barrel for establishing latched and unlatched positions. An application of fluid pressure to the latchpin via a first fluid path causes the latchpin to advance to the latched position. A release of fluid pressure from the first path causes the latchpin to retract, in compliance with the biasing spring, to the unlatched position. An application of fluid pressure via a second fluid path to a surface of the piston causes the latching mechanism as a whole to retract. When the test head and peripheral are latched together, this retraction causes the peripheral to be pulled down against the test head, and thus causes electrical connections to be formed between the test head and a device under test. Because the docking mechanism is actuated by fluid pressure, it can be constructed with a very low profile, to have a relatively small impact on the placement of other equipment in its area. Because it unlatches upon the release of fluid pressure, the docking mechanism allows a test head and a peripheral to be easily separated upon an accidental loss of power.

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Bossie, Brian Jay
Louis Neck, David W

JP2002563008A

August 27, 2008

February 04, 2002

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TERADYNE INCORPORATED

G01R31/26; G01R31/317; G01R31/28

JP10221404A
JP6002246U
JP11082450A
JP10048288A
JP9014210A
JP10153623A
JP4268469A
JP2063475U

Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita

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