US4650312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Residual toner removal and collection apparatus
Assignee: Xerox Corp
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Filing: 1985-11-15
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Granted: 1987-03-17
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Expires: 2005-11-15
Abstract
Abstract Apparatus for removing toner from a charge-retentive surface and collecting the toner in a receptacle for subsequent disposal thereof. This apparatus is characterized by the provision of structure for minimizing bridging or packing of toner in the flights of an auger forming a part of the removal and collection system as disclosed in the specification. The toner anti-bridging structure provides for imparting vibratory motion directly to the auger. To this end the anti-bridging structure includes a pendulum which is caused to periodically bang into the auger to create vibrations in the auger structure.
Inventors
- 👤 John E. Vineski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:28
CPC Classifications
G; G03; G03G; G03G21/00; G03G21/10; G03G21/105
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
119 words
Apparatus for removing toner from a charge-retentive surface and collecting it for subsequent removal, said apparatus comprising: blade means for removing residual toner from said charge-retentive surface; a receptacle for collecting said residual toner; means for conveying said residual toner from where it is removed from said charge-retentive surface into said receptacle; said conveying means comprising conduit means and auger means; and means for imparting vibratory motion in said auger means by direct contact therewith whereby toner bridging in said auger is minimized, said means for imparting vibratory motion comprising a pendulum which is caused to periodically bang into said auger means, said pendulum being carried by a pulley having a hub attached to the shaft of said auger.
Claim 2
Dependent Claim
119 words
Apparatus for removing toner from a charge-retentive surface and collecting it for subsequent removal, said apparatus comprising: blade means for removing residual toner from said charge-retentive surface; a receptacle for collecting said residual toner; means for conveying said residual toner from where it is removed from said charge-retentive surface into said receptacle; said conveying means comprising conduit means and auger means; and means for imparting vibratory motion in said auger means by direct contact therewith whereby toner bridging in said auger is minimized, said means for imparting vibratory motion comprising a pendulum which is caused to periodically bang into said auger means, said pendulum being carried by a pulley having a hub attached to the shaft of said auger.
Claim 3
Dependent Claim
17 words
Apparatus according to claim 1 wherein said pendulum comprises an opening through which said pulley hub protrudes.
References Cited (Backward Citations)
US3927937A
Cited
JPS58102269A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-03-16 | 1990-09-15 | 1991-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-03-16 | 1994-09-15 | 1995-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-03-16 | 1998-09-15 | 1999-03-17 | $7700.00 | Window Closed / Lapsed |