TANDEM SPRING SYSTEM

摘要

A dual-rate tandem spring system is described. The system may include a higher force spring and a lower force spring. The spring system may comprise gas springs. The spring system may be included in a table system to provide lift or descent assist of objects such as a patient. A damper may be installed in the spring system to provide smooth transition between lower and higher force springs.

主权项

1. A spring system, comprising:
a higher force spring comprising a first spring body and a first rod extending from the first spring body; a lower force spring comprising a second spring body and a second rod extending from the second spring body; a damper assembly attached to the first rod or the second rod; wherein the first spring body is positioned adjacent to the second spring body; and wherein the higher force spring, the lower force spring, and the damper assembly provide force in the same direction.