| CPC E04H 4/0056 (2013.01) [F16B 7/185 (2013.01)] | 10 Claims |

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1. A pool frame comprising:
a substantially vertical frame member, a first beam,
a second beam,
an upper joint configured to connect to the first beam,
a lower joint configured to connect to the second beam, wherein the lower joint connects to the upper joint and the substantially vertical frame member,
a pin that locks the upper joint in an orientation relative to the lower joint via the pin passing through a first hole in the upper joint and a second hole in the lower joint,
wherein the upper joint partially encloses the lower joint.
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