Class 14/42 - Lift

Subclass of Class 14 - Bridges
Definition: Drawbridges moving vertically (either up or down from normal
No. of patents: 4
Last issue date: 08/16/2005

Number	Title	Issue Date
6928683	Extendable support structures Various types of extendable support structures provide a lateral dimension that is defined by at least one lazy tong, and the longitudinal dimension is variable by extension and retraction of the at least one lazy tong. The extendable structure may include a plurali...	08/16/2005
5454127	Unbalanced bascule bridge with concrete slab roadway An unbalanced bascule bridge having an unbalanced bridge span including a pair of longitudinal girders with a low torsional stiffness interconnected at a pivoting end by a torsionally rigid cross-girder and interconnected along a longitudinal expanse of t...	10/03/1995
4473916	Access means A gangway designed to extend between a pair of relatively movable bodies (2, 50), such as an off-shore field rescue vessel and a rig or platform has a series of telescopic platforms (36, 37) defining a substantially planar walk-way surface and linked by a...	10/02/1984
4296516	Vertically adjustable bridge for connection with ships A vertically adjustable bridge for connection with ships, particularly ships with their own flaps such as car ferries and the like, comprises a ramp (6) including girders and the like and has an upper surface suitable as bedding for transport. At its land...	10/27/1981

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