Measuring and testing – Vibration – By mechanical waves
Patent
1979-08-29
1981-06-23
Gill, James J.
Measuring and testing
Vibration
By mechanical waves
73634, G01N 2904
Patent
active
042742897
ABSTRACT:
An articulated arm having first and second pairs of parallel spaced apart pivotable linkages associated with a tire casing holding fixture for moving an array of ultrasonic transmitting transducers to and from a location exterior to the tire casing and a location between the two sidewalls of the tire casing with the faces of the transducers being a predetermined spaced distance from the interior surface of the tread bearing portion of the casing. Only a single piston/cylinder type actuator linked to the arm is required to achieve the desired movement and positioning of the transducer array.
REFERENCES:
patent: 2378237 (1945-06-01), Morris
patent: 3336794 (1967-08-01), Wysoczanski et al.
patent: 3670562 (1972-06-01), Muto et al.
patent: 4117733 (1978-10-01), Gugel
Christensen David C.
Sikkema Bruce H.
Weiss Arnold A.
AMF Incorporated
Gill James J.
Haugen Orrin M.
Nikolai Thomas J.
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