Customizable nest for positioning a device under test

Details Customizable nest for positioning a device under test Customizable nest for positioning a device under test

2001-12-21

2003-02-04

Gutierrez, Diego (Department: 2859)

Geometrical instruments

Gauge

Collocating

C248S346060, C269S902000, C269S296000

Reexamination Certificate

active

06513260

ABSTRACT:

REFERENCE TO RELATED APPLICATION
The present application is related to United States patent application of Russell S. Krajec, entitled “Adjustable Electrical Connector for Test Fixture Nest, and filed Nov. 17, 1999; and United States patent application of Russell S. Krajec and Wallace J. Lannen, entitled “Signal Transfer Device for Probe Test Fixture,” and filed Nov. 17, 1999, both of which are incorporated herein by reference as if fully set forth.
FIELD OF THE INVENTION
The present invention relates to a customizable nest plate for use in positioning and securely holding a device under test.
BACKGROUND OF THE INVENTION
Certain devices are more easily tested and worked on while held securely in position. For example, when performing maintenance on cellular phones, a person may more easily work with the phone if it is held securely in position. In addition, holding the device under test in position serves to protect it from potential damage while being worked on. For certain applications, a nest plate may be custom-made for a particular device under test. In order to customize a nest plate, the device under test is measured and appropriate configuration and machining is made of the nest plate to accommodate the device under test, along with a mechanism to hold it in place such as nest pins located in predetermined locations. In addition, certain devices require that they be elevated above a nest plate. Therefore, a nest plate must sometimes include a custom-made mechanism for elevating a device under test above the nest plate.
Accordingly, a need exists for an improved method of customizing a nest plate and other mechanisms for accommodating a device under test while positioned on a nest plate.
SUMMARY OF THE INVENTION
An adjustable stop block consistent with the present invention is used for nesting a device under test. It includes a base for placement against a nest plate having a plurality of nest apertures. The base defines an elongated aperture for use in adjustably securing the base to the nest plate using a fastener positioned in the elongated aperture and connected to one of the nest apertures. The adjustable stop block also includes a vertical portion having first and second ends. The first end of the vertical portion is connected to the base and the second end of the vertical portion extends away from the nest plate when the base is secured to the one nest aperture. When in use to nest the device under test, the vertical portion contacts the device.
A ramp consistent with the present invention is used for elevating a device under test above a nest plate. The ramp includes a base for placement against a nest plate having a plurality of nest apertures, and the base defines an elongated aperture for use in adjustably securing the base to the nest plate using a fastener positioned in the elongated aperture and connected to one of the nest apertures. A vertical portion is connected to the base and includes a variable portion for contacting the device under test and elevating the device under test above the nest plate. The ramp optionally includes an adjustment portion for joining together two of the ramps and adjusting a distance between the variable portions of the two ramps for use in adjusting the height of the device under test above the nest plate.


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