VIBRATOR UNIT FOR TESTING A MOTOR VEHICLE FOR RATTLES AND SQUEAKS

A vibrator unit for detecting rattles and squeaks in selected parts of a motor vehicle; the detector having a cylinder in which a piston is pneumatically reciprocable to develop vibrations in the cylinder. An adjustable clamp is mounted upon the cylinder for detachably clamping the cylinder to a sel...

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Bibliographic Details
Main Author BARROWS R,US
Format Patent
LanguageEnglish
Published 31.07.1973
Subjects
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Summary:A vibrator unit for detecting rattles and squeaks in selected parts of a motor vehicle; the detector having a cylinder in which a piston is pneumatically reciprocable to develop vibrations in the cylinder. An adjustable clamp is mounted upon the cylinder for detachably clamping the cylinder to a selected part of a motor vehicle so as to transmit the vibrations of the cylinder to the part and general area. A live air supply hose line having a pressure regulator therein is connected to an inlet of the cylinder; the regulator being manually operable to selectively vary the pressure of operating air flow to the cylinder and as a consequence varying the operating frequency of the piston; and the hose line being lengthy so as to permit operation of the regulator at distances remote from the cylinder. A noise muffler is connected by a hose line to an exhaust port of the cylinder to obtain a quiet environment for better discerning sounds of rattles and squeaks.
Bibliography:Application Number: USD3748896