Patent US4844440A successfully refreshed from Google Patents.
US4844440A
Expired / Lapsed
US
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Sheet registration apparatus
Assignee: Xerox Corp
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Filing: 1988-06-15
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Granted: 1989-07-04
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Expires: 2008-06-15
Abstract
Abstract Apparatus for registering one or more sheets in a registration position defined for example in a corner formed by two edge stops has a sheet support member and a tamping member that engage the edge or edges of the sheet or sheets on the support member. The tamping member is mounted on the end of an arm which is mounted for angular movement about a shaft. On movement of the arm the tamper moves so as to push the sheet(s) into the registration position. The tamping member includes a brush having bristles that engage the edge(s) of the sheet(s).
Inventors
- 👤 John R. Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:38
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/65; G03G15/6538; G03G15/6541; B; B65; B65H; B65H31/00; B65H31/34; B65H31/38; B65H9/00; B65H9/10; B65H9/101; G03G2215/00; G03G2215/00362; G03G2215/00535; G03G2215/00658; G03G2215/00789; G03G2215/00822; G03G2215/00827
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
84 words
Apparatus for registering at least one sheet in a registration position comprising a sheet support member, a tamping member adapted to engage at least one edge of said at least one sheet on the support member and means to cause the tamping member to reciprocate so as to push said at least one shut into the registration position, the tamping member comprising a brush the side edges of the bristles of which engage said at least one edge of said at least one sheet.
Claim 2
Dependent Claim
84 words
Apparatus for registering at least one sheet in a registration position comprising a sheet support member, a tamping member adapted to engage at least one edge of said at least one sheet on the support member and means to cause the tamping member to reciprocate so as to push said at least one shut into the registration position, the tamping member comprising a brush the side edges of the bristles of which engage said at least one edge of said at least one sheet.
Claim 3
Dependent Claim
28 words
The apparatus of claim 1 wherein the tamping member is mounted at one end of an arm which is arranged to make angular movements about its other end.
Claim 4
Dependent Claim
27 words
The apparatus of claim 1 wherein said sheet support member is a tray member, and wherein the brush bristles protrude through a slot in said tray member.
Claim 5
Dependent Claim
22 words
The apparatus of claim 3 wherein said slot is an arcuate slot having a radius appropriate to the length of said arm.
References Cited (Backward Citations)
GB191411722A
Cited
GB542628A
Cited
CH414690A
Cited
US3291480A
Cited
US3970299A
Cited
US4073391A
Cited
US4147342A
Cited
US4319743A
Cited
US4295645A
Cited
US4475733A
Cited
JPS59177251A
Cited
US4648589A
Cited
US4641949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-07-03 | 1993-01-02 | 1993-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-03 | 1997-01-02 | 1997-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-03 | 2001-01-02 | 2001-07-04 | $7700.00 | Window Closed / Lapsed |