Adjusting device for synchronized adjustment of extendable members

摘要

An adjusting device having first and second extendable members includes a synchronizing mechanism for making adjustments of the first and second extendable members. Each of the first and second extendable members defines an extension axis and includes an extendable portion adjustable along the extension axis to an extended length. The synchronizing mechanism is connected to the first and second extendable members and is operable to simultaneously adjust an extended length of the first and second extendable portions such that the extended length of the first extendable portion and the extended length of the second extendable portion are substantially equal.

主权项

1. An adjusting device comprising:
first and second extendable members; wherein each of the first and second extendable members defines an extension axis and includes an extendable portion adjustable along the extension axis to an extended length; and a synchronizing mechanism connected to the first and second extendable members and operable to simultaneously adjust an extended length of the first and second extendable portions such that the extended length of the first extendable portion and the extended length of the second extendable portion are substantially equal; wherein:
each extendable member includes an extension rod;each extendable portion is moveably attached to the respective extension rod such that the extendable portion is adjustable to the extended length by movement of the extendable portion along the extension axis and relative to the extension rod;each extendable portion is rotatably attached to the respective extension rod such that the extendable portion is adjustable to the extended length by rotation of the extension rod relative to the extendable portion;the synchronizing mechanism is operable to simultaneously rotate the extension rods of the first and second extendable members;each of the extension rods includes a sprocket; andthe synchronizing mechanism includes a chain operatively attached to each of the sprockets to simultaneously rotate the extension rods of the first and second extendable members.