US PATENT SUBCLASS 271 / 217-- .~.~.~.~ Lowering as pack-height increases

US PATENT SUBCLASS 271 / 217
.~.~.~.~ Lowering as pack-height increases

Current as of: June, 1999
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271 /	HD	SHEET FEEDING OR DELIVERING

278	DF	DELIVERING {13}
207	DF	.~ To receiver for pack of sheets {7}
213	DF	.~.~ With movable sheet-surface support {1}
214	DF	.~.~.~ Receding from delivery zone (e.g., retractor) {3}
217		.~.~.~.~ Lowering as pack-height increases {2}
218	DF	.~.~.~.~.~> With auxiliary support for part of pile
219	DF	.~.~.~.~.~> Spring-loaded support

DEFINITION

Classification: 271/217

(under subclass 213) Device wherein the direction of movement of the backing or platform is vertical and downward and such movement occurs in synchronism with the delivery of sheets thereto, whereby the platform recedes in relation to the growth of the stack of sheets accumulating thereon.

SEE OR SEARCH THIS CLASS, SUBCLASS:

147+, for a device having similar structure used for advancing a pile to a sheet feeder, and see the Search Notes therein for other pile advancer subclasses.