Pneumatic actuator with rack and pinion assembly
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United States of America Patent
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Feb 20, 1996
Grant Date -
N/A
app pub date -
Feb 14, 1994
filing date -
Feb 14, 1994
priority date (Note) -
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Abstract
A pneumatic actuator including a first housing having a first cylinder formed therein, a first piston slidably positioned within the cylinder of the first housing, a first rack connected to the first piston and extending therefrom, a second housing having a second cylinder formed therein, a second piston slidably positioned within the second cylinder of the second housing, a second rack connected to the second piston and extending therefrom, and a pinion engaging the first and second rack and rotatable relative to a movement of the first and second racks. The first piston has a center axis aligned with a point of contact between the first rack and the pinion. The second piston has a center axis aligned with a point of contact between the second rack and the pinion. Each rack is supported against the pinion by a pin supported by support members arranged transverse to the axis of the pinion.
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