Gas spring lift
    56.
    发明授权

    公开(公告)号:US09743754B2

    公开(公告)日:2017-08-29

    申请号:US15185678

    申请日:2016-06-17

    Applicant: Ergotron, Inc.

    Abstract: A height adjustable device that can include: a work surface; and at least one leg assembly connected to the work surface, the at least one leg assembly including: a first member; and a second member moveable relative to the first member along a longitudinal axis; a counterbalance mechanism connected to the height adjustable device and configured to counteract a force exerted on the work surface, the counterbalance mechanism including: a gas spring having a cylinder and a moveable piston; a wheel moveably connected to the gas spring; and first tension member engaged to the wheel, the first tension member connected to the at least one leg assembly; a second tension member engaged to the wheel, the second tension member connected to the at least one leg assembly; and a guide member mounted inside of one of the first member and the second member, the guide member being slidably engaged with the cylinder.

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