| 摘要 |
A low rate spring loading for a shaft axially rotatable in either direction from a defined home position is obtained by a spiral coiled spring loaded spool in combination with tension cable carried on the spool and circumferentially anchored to the shaft. Shaft rotation in either direction from home position imparts a proportional increase in loading from a selectable preload level at home position. A pivotable cable anchoring means carried by the shaft minimizes cable flexing at the anchor point as the shaft rotates through home position.
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