Patent ID: 7748545

Claim:
An apparatus for retaining elongated gas cylinders comprising: a. a stationary outer frame including an upper annular ring b. a movable circular inner frame mounted within said outer frame for rotation about a central axis, said inner frame defining a plurality of gas cylinder receptacles opening outwardly relative to said central axis and including a horizontally extending upper plate wherein said upper plate extends outwardly intermediate said receptacles toward said upper ring and carries a set of rollers which engage said upper ring and hold said upper plate in spaced relation to said upper ring, at least one vertical member connecting said upper plate to a cylinder support member with a plurality of bearings supporting said cylinder support member; wherein said stationary outer frame defines an opening for ingress and egress of said cylinders into one of said gas cylinder receptacles only when said receptacle is aligned with said opening; and a latch coupling said movable inner frame and said stationary outer frame and limiting rotation of said inner frame to a first direction about said central axis and wherein said latch aligns at least one of said cylinder receptacles of said inner frame over at least one of said supporting bearings.