Patent attributes
Provided is a portable cylinder including a tank having a mounting collar coupled to an upper portion of the tank, and a handle assembly attached to the mounting collar. The mounting collar has an upwardly extending portion and a plurality of circumferentially spaced tabs extending radially outwardly from the upwardly extending portion, wherein a respective gap is formed between adjacent ones of the plurality of circumferentially spaced tabs. The handle assembly includes a handle having a shroud portion and a handle portion extending from the shroud portion, and an attachment member configured to be coupled to the shroud portion to prevent rotational movement of the handle relative to the collar, the attachment member having a body, a first projection projecting from a front wall of the body for engaging the shroud portion, and a second projection projecting from a back wall of the body for engaging the shroud portion.