| 摘要 |
A pusher for a conveyor system or accumulator is provided. The pusher has an equalized motion across its length which is created by a drive train linkage including first and second rack and pinion assemblies wherein the pinion gears rotate about a common axis and are joined together by a connecting rod. The drive train linkage allows the pusher bar to be actuated by a single pneumatic or hydraulic cylinder connected to the pusher bar outwardly of the rack and pinion drive linkage. Positioning the pneumatic drive cylinder outwardly of the support linkage achieves a lower profile than achieved by prior art pushers.
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