| 摘要 |
Fitness equipment for use in an outdoor prison environment which includes frame and arm assemblies manufactured from hollow steel members that are hot-dipped galvanized, both externally and internally, and are welded together and capped. The fitness equipment further includes a fixed weight stack assembly that includes control rods, weight plates slidably mounted on the control rods, a base assembly and a yoke and collar assembly which precludes removal of the weight plates. Moving parts of the fitness equipment, such as pivotal attachments or the areas where control rods slide within the yoke and collar assembly, include self-lubricating elements such as high speed bearings with grease fittings or oil-light bushings. The fitness equipment may also include a seat assembly or deck assembly. The various assemblies of the fitness equipment are designed to be manufactured as component parts which may be assembled to create various forms of fitness equipment including a bench press, an arm curl shoulder raise, a shoulder press, a squat machine, a tricep press and a lat pull down.
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