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CONTAMINATION CONTROL GATE

IP.com Disclosure Number: IPCOM000025619D
Original Publication Date: 1986-Oct-31
Included in the Prior Art Database: 2004-Apr-04
Document File: 2 page(s) / 92K

Publishing Venue

Xerox Disclosure Journal

Abstract

When the developer housing assembly of a copying machine 1s removed for cleaning, a "sump sucker" or contamination control vacuum hose often must be disconnected. Usually this hose is full of unused toner which is laying loose inside the hose so that when the hose is disconnected, toner falls out into the machine where it contaminates the adjoining machine mechanical components Sometimes the loose toner falls onto the floor and dirties the clothes of the person servicing the machine.

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XEROX DISCLOSURE JOURNAL

CONTAMINATION CONTROL GATE Proposed Classification David R. Gaul U.S. C1.355/3DD

Znt. Cl. G03g 15/00

Volume 11 Number 5 SepternbedOctober 1986 231

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CONTAMINATION CONTROL GATE (Cont'd)

When the developer housing assembly of a copying machine 1s removed for cleaning, a "sump sucker" or contamination control vacuum hose often must be disconnected. Usually this hose is full of unused toner which is laying loose inside the hose so that when the hose is disconnected, toner falls out into the machine where it contaminates the adjoining machine mechanical components Sometimes the loose toner falls onto the floor and dirties the clothes of the person servicing the machine.

To avoid this, the contamination control gate 5 shown in Figure 1 IS provided Gate 5 consists of a thin (i.e 0 020" thick) flat member 6 formed from a suitable pliable plastic One end of member 6 has an opening 8, the dimension of opening 8 being chosen to permit the machine contamination control vacuum hose 9 (seen in Figures 2 and 3) to fit relatively snugly therewithin The opposite end 10 ofmember 6 is solid

Referring to Figure 2, a notch 12 is cut in the vacuum hose 9, the cut made in hose 9 for notch 12 extending approximately 150" around the circumference of hose 9 Notch 12 is close to the lower end 14 of hose 9 such that when hose 9 is inserted over the end of the machine developer housing tube 15, tube 15...