Expanding arbor

Details Expanding arbor Expanding arbor

1986-01-27

1987-09-22

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Work holding

242 682, 242 721, 279 2R, B65H 7524

Patent

active

046945598

ABSTRACT:
The present invention relates to an expandable arbor which is removably attached to a standard decoiler mechanism. The expandable arbor has at least two opposed sections, each having an elongated transversely curved outer surface interconnected by a guide and track to the decoiler mechanism. The guide and track convert lateral movement of the decoiler mechanism into radial movement of the sections. The sections are laterally moveable into the axial bore of a coil of material and thereafter expanded by relative movement of the decoiler mechanism between the sections of the expandable arbor. An equalizer is provided to retract and coordinate movement of the sections.

REFERENCES:
patent: 2943807 (1960-07-01), Loop
patent: 3552673 (1971-01-01), Evers
patent: 3843641 (1974-09-01), Level
patent: 3881666 (1975-05-01), Greenhalgh
patent: 3997176 (1976-12-01), Wyckoff et al.
patent: 4148444 (1979-04-01), Hehner
patent: 4149682 (1979-04-01), Gustafson et al.
patent: 4284251 (1981-08-01), Castillo

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