Interlocked core shaft

Details Interlocked core shaft Interlocked core shaft

1996-08-09

1997-11-25

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Radially expansible or contractile

242599, 2426091, 492 38, B65H 7522, B65H 7524

Patent

active

056903006

ABSTRACT:
A core or a core shaft is formed from a plurality of identical, extruded pieces. Each piece has complementary grooves on opposite sides, so that the pieces interlock. Each piece extends the length of the core or core shaft. The pieces are held together by a series of pins and are connected to a core shaft journal or a core cap by a series of screws that fit into receptacles in the pieces. When used as a core shaft, each piece includes a channel for a bladder.

REFERENCES:
patent: 662046 (1900-11-01), Winter
patent: 825674 (1906-07-01), Oberbeck
patent: 969652 (1910-09-01), Parker
patent: 4124173 (1978-11-01), Damour
patent: 4176804 (1979-12-01), Nemoto et al.
patent: 4991791 (1991-02-01), Cocito
patent: 5253816 (1993-10-01), Kastingschafer et al.
Dyna-Grip Metal Bladder Shafts brochure, Double E Company, Inc., West Bridgewater, MA.
Series 100 Shaftless Single Roll Unwind/Rewind Stand brochure, McBride Machine Corp., Danville, PA.
Expanding Air Shafts brochure, International Expanding Shafts SRL, San Giuliano Milanese, Italy.
Rotocoat Extruder brochure, Rotomec America, Incorporated, West Hartford, CT.

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