| 摘要 |
A vibratory conveying apparatus embodying the principles of the present invention includes a base, a trough, and at least one spring assembly mounting the trough on the base for vibratory conveyance of material in the trough. At least one of the spring assemblies of the conveying apparatus is configured for selective adjustment of the spring rate of the assembly, so that the conveying apparatus can be efficiently tuned for conveying different types of materials, without resort to varying the air gap of the associated electromagnetic vibratory drive, or by otherwise altering spring rates or weight ratios of the conveying apparatus.
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