Height adjustable support assembly

摘要

A support assembly (10) optionally for supporting a patient during an operation or surgical procedure having an upper platform (11); a base structure (13); and a height adjustment mechanism which includes a pair of legs (14, 15) wherein each leg (14, 15) is located at opposed ends of the upper platform (11) and is pivotally attached thereto and is also pivotally attached to the base structure (13) and a pair of control links (40, 41) wherein each control link (40, 41) is pivotally attached to an adjacent leg (14, 15) intermediate its height and also pivotally attached to the base structure (13) characterised in that a lower end of each leg (14, 15) is movably mounted in an associated guide track (50, 51) or guide tracks (50, 51) located on the base structure (13).

主权项

1. A support assembly comprising:
(i) an upper platform; (ii) a base structure; and (iii) a height adjustment mechanism which includes:
a single pair of legs wherein each leg is located at generally opposed ends of the upper platform, each leg is pivotally attached to the upper platform, and each leg is pivotally attached to the base structure by a respective moveable pivot point located at an adjacent end of the base structure when the upper platform is at a maximum height, anda single pair of control links, each control link including a first end pivotally attached to a respective adjacent leg of the single pair of legs intermediate its height, and each control link including a second end pivotally attached to a respective fixed pivot point which is located on the base structure; whereina lower end of each of the pair of legs is moveably mounted in one or more associated guide tracks;each leg is moveable in separate one or more guide tracks and independently of each other so that respective bottom ends thereof move past each other in use; andeach leg is located proximate a central vertical plane extending along and passing through a longitudinal axis of the upper platform such that one leg is located to one side of the central vertical plane and another leg is located to another side of the central vertical plane.