Abstract: An erection of triangular spaced ground implemented metal rods embodying a plurality of tiers of vertically spaced ring members removably engaging said rods to secure the same in forming a stable structure.

Abstract: A bale wire twister having a shaft mounted gear internal of the housing thereof being manually operable and an aligned slot through the housing and into the gear and into the shaft supporting the gear, the slot receiving a double strand of baling wire, a hub depending from the gear having an arcuate slot partially thereabout and projection from the shaft into the slot whereby a hand crank moves said gear and hub to overlie the slot and lock in the wire in the slot, the hub engaging the projection to cause the shaft to rotate and twist the wire locked therein, the slot being realigned to release a twisted wire.

Abstract: A self locking file folder suspension hanger made up of two u-shaped end members supporting a pair of transversely spaced horizontal suspension members, the end members having upwardly extending free ends having doubled over end portions with the upper closed end portion being doubled over to form a pair of spaced closed upper ends and a depending closed end, the suspension members being disposed through and engaging the undersides of the upper closed ends and a cross member at each end underlying the ends of said suspension members, said cross member having angled end portions being disposed to underlie said suspension members in a downwardly angled position and being rotated axially through 180.degree. to have its angled ends bear up against the suspension members to engage and self-lock the same in a pressure action against the overlying upper closed ends.