There should be a slidingagent between the base type support and upper structure such as a slide plateor grease, or something of that nature. That will allow the upper structure tomove axially or laterally without affecting the operation of the base-typeconstant.
![Stock Upthrust Constants Modified With An Auxillary Platform Stock Upthrust Constants Modified With An Auxillary Platform](/wp-content/uploads/2017/10/127_200-U-Type-Constant-Spring-Supports-Designed-for-Large-Spring-Coils_jpg-1.jpg)
Stock Upthrust Constants Modified with an Auxillary Platform