Communications: directive radio wave systems and devices (e.g. – Clutter elimination – Mti
Patent
1996-11-12
1997-11-25
Darling, John P.
Communications: directive radio wave systems and devices (e.g.,
Clutter elimination
Mti
2425975, B65H 1910
Patent
active
056902999
ABSTRACT:
A dispenser includes an openable housing having a front opening, a parallel-spaced pair of guide slots being supported proximate opposite sides of the housing, each guide slot having a generally vertically oriented first segment, a generally horizontally oriented second segment intersecting the first segment, and a generally vertically oriented third segment intersecting the second segment in offset relation to the first segment, the first segment having a bottom extremity below the second segment. A dual mandrel has parallel-spaced portions for receiving respective rolls, and a bridge portion rigidly connecting the mandrel portions. The dual mandrel, is locatable with opposite ends of each mandrel portion guidable from a first position wherein a lowermost of the mandrel portions is in a first dispensing position at the bottom extremity of the first segment, the other mandrel portion being in a reserve position and, following substantial consumption of the sheet material from the lowermost mandrel, to a second position wherein the lowermost of the mandrel portions is in an expended position at a bottom extremity of the third segment of the guide slot, and the other mandrel portion is in a second dispensing position within the first segment. A catch member is biasingly coupled to the housing for retaining the lowermost of the mandrel portions in the expended position.
REFERENCES:
patent: 2299301 (1942-10-01), Britt et al.
patent: 3126234 (1964-03-01), Batlas et al.
patent: 3381909 (1968-05-01), Tucker et al.
patent: 3387902 (1968-06-01), Perrin et al.
patent: 3677485 (1972-07-01), Berg
patent: 3690580 (1972-09-01), Jespersen
patent: 3770222 (1973-11-01), Jespersen
patent: 4422584 (1983-12-01), Dashnier et al.
patent: 4422585 (1983-12-01), Schultz et al.
Perrin Patrick C.
Whittington, deceased Jimmie L.
Darling John P.
Perrin Manufacturing
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