Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1977-03-21
1978-09-12
McCarthy, Edward J.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 741, B21C 1710
Patent
active
041131983
ABSTRACT:
A reel body is formed with a stop. At least three shell portions are mounted on and expansible relative to the reel body and comprise at least one first shell portion and at least one second shell portion. Expanding and clamping means are operable to expand the shell portions relative to said reel body. The expanding and clamping means comprise a first radially movable clamping bar, which is in engagement with the first shell portion and defines a clamping gap therewith and is also in engagement with the second shell portion at one side of the latter, and a second radially movable clamping bar, which is formed with a bearing surface in slidable engagement with the second shell portion on the side thereof opposite to the first clamping bar. The first clamping bar being radially outwardly movable to expand said first shell portion into engagement with the stop and adapted to clamp a strip end portion in the clamping gap when the first shell portion is in engagement with the stop. The second shell portion and the reel body comprise cooperating constraining means permitting the second shell portion to move only parallel to the gap. The second shell portion is arranged to be expanded relative to said reel body parallel to said gap in response to outward radial movements of said first and second expanding bars and constituting a transition member adapted to support a strip portion adjacent to said strip end portion when the latter is clamped in said gap.
REFERENCES:
patent: 2920837 (1960-01-01), Wingard
patent: 3666194 (1972-05-01), Gosnell
patent: 3840197 (1974-10-01), Rodach
patent: 3854671 (1974-12-01), Rodach
Irma Ungerer geb. Dollinger
McCarthy Edward J.
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