Flexible adjustable wedge

Details Flexible adjustable wedge Flexible adjustable wedge

1988-03-07

1988-11-15

Spruill, Robert L.

Package making

Miscellaneous

53291, 53384, 53567, 493309, B65B 4326, B65B 6500

Patent

active

047839490

ABSTRACT:
A flexible adjustable wedge of tetrahedronal structure is provided wherein four swivel-jointed arms are attached at their respective ends by pin connections. Flexible adjusting arms provide dimensional stability by interconnecting either opposing corners or opposing arms of the tetrahedronal wedge. The adjusting arms are provided with some degree of flexibility in order to allow the wedge to automatically conform its size to minor variations in the flat width of the film passing thereover. Where changes in overall size of the wedge are desired, the adjusting arms can be easily lengthened or shortened.

REFERENCES:
patent: 3059548 (1962-10-01), Kaplan et al.
patent: 3503176 (1970-03-01), Crane et al.
patent: 3961459 (1976-06-01), Wolske
patent: 4309861 (1982-06-01), Karpisek
patent: 4666423 (1987-05-01), Herrington
patent: 4693059 (1987-09-01), O'Donnell

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