1. An organophotoreceptor comprising an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:
(a) a charge transport material having the formula
where R1 and R2 are, each independently, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group;
R3 and R4 are, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group;
X1 and X2 are, each independently, a linking group;
Y1 and Y2, each independently, comprise an arylamino group; and
Z is a bridging group having the formula \u2014Q1\u2014X3\u2014Q2\u2014 where Q1 and Q2 comprise, each independently, O or S, and X3 comprises a \u2014(CH2)p\u2014 group where p is an integer between 1 and 20, inclusive, and at least one of the methylene groups is replaced by O, S, C\u2550O, O\u2550S\u2550O, an aryl group, a CRh group, a CRiRj group, or a SiRkR1 where Rh, Ri, Rj, Rk, and Rl are, each independently, H, a hydroxyl group, a thiol group, a carboxyl group, an alkyl group, an alkoxy group, an alkenyl group, an alkynyl group, or an aryl group; and
(b) a charge generating compound.
2. An organophotoreceptor according to claim 1 wherein Y1 and Y2, each independently, comprise a carbazolyl group, a julolidinyl group, or an (N,N-disubstituted)arylamino group.
3. An organophotoreceptor according to claim 1 wherein X1 and X2 are, each independently, a \u2014(CH2)m\u2014 group, where m is an integer between 1 and 20, inclusive, and one or more of the methylene groups is optionally replaced by O, S, N, C, B, Si, P, CO\u2550O, O\u2550S\u2550O, a heterocyclic group, an aromatic group, an NRa group, a CRb group, a CRcRd group, or a SiReRf where Ra, Rb, Rc, Rd, Re, and Rf are, each independently, H, a hydroxyl group, a thiol group, a carboxyl group, an amino group, an alkyl group, an alkoxy group, an alkenyl group, an alkynyl group, a heterocyclic group, an aromatic group, or a part of a ring group.
4. An organophotoreceptor according to claim 3 wherein X1 and X2 are, each independently, a \u2014(CH2)2\u2014 group.
5. An organophotoreceptor according to claim 1 wherein X3 is an aryl group or a \u2014R5\u2014Q3\u2014R6\u2014 group where R5 and R6 are, each independently, an aromatic group; and Q3 is O or S.
6. An organophotoreceptor according to claim 1 wherein the photoconductive element further comprises a second charge transport material.
7. An organophotoreceptor according to claim 6 wherein the second charge transport material comprises an electron transport compound.
8. An organophotoreceptor according to claim 1 wherein the photoconductive element further comprises a binder.
9. An electrophotographic imaging apparatus comprising:
(a) a light imaging component; and
(b) an organophotoreceptor oriented to receive light from the light imaging component, the organophotoreceptor comprising an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:
(i) a charge transport material having the formula
where R1 and R2 are, each independently, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group;
R3 and R4 are, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group;
X1 and X2 are, each independently, a linking group;
Y1 and Y2, each independently, comprise an arylamino group; and
Z is a bridging group having the formula \u2014Q1\u2014X3\u2014Q2\u2014 where Q1 and Q2 comprise, each independently, O or S, and X3 comprises a \u2014(CH2)p\u2014 group where p is an integer between 1 and 20, inclusive, and at least one of the methylene groups is replaced by O, S, C\u2550O, O\u2550S\u2550O, an aryl group, a CRh group, a CRiRj group, or a SiRkRl where Rh, Ri, Rj, Rk, and Rl are, each independently, H, a hydroxyl group, a thiol group, a carboxyl group, an alkyl group, an alkoxy group, an alkenyl group, an alkynyl group, or an aryl group; and
(ii) a charge generating compound.
10. An electrophotographic imaging apparatus according to claim 9 wherein Y1 and Y2, each independently, comprise a carbazolyl group, a julolidinyl group, or an (N,N-disubstituted)arylamino group.
11. An electrophotographic imaging apparatus according to claim 9 wherein X1 and X2 are, each independently, a \u2014(CH2)m\u2014 group, where m is an integer between 1 and 20, inclusive, and one or more of the methylene groups is optionally replaced by O, S, N, C, B, Si, P, C\u2550O, O\u2550S\u2550O, a heterocyclic group, an aromatic group, an NRa group, a CRb group, a CRcRd group, or a SiReRf where Ra, Rb, Rc, Rd, Re, and Rf are, each independently, a bond, H, a hydroxyl group, a thiol group, a carboxyl group, an amino group, an alkyl group, an alkoxy group, an alkenyl group, an alkynyl group, a heterocyclic group, an aromatic group, or a part of a ring group.
12. An electrophotographic imaging apparatus according to claim 11 wherein X1 and X2 are, each independently, a \u2014(CH2)2\u2014 group.
13. An electrophotographic imaging apparatus according to claim 9 wherein X3 is an aryl group or a \u2014R5\u2014Q3\u2014R6\u2014 group where R5 and R6 are, each independently, an aromatic group; and Q3 is O or S.
14. An electrophotographic imaging apparatus according to claim 9 wherein the photoconductive element further comprises a second charge transport material.
15. An electrophotographic imaging apparatus according to claim 14 wherein second charge transport material comprises an electron transport compound.
16. An electrophotographic imaging apparatus according to claim 9 further comprising a toner dispenser.
17. An electrophotographic imaging process comprising;
(a) applying an electrical charge to a surface of an organophotoreceptor comprising an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising
(i) a charge transport material having the formula
where R1 and R2 are, each independently, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group;
R3 and R4 are, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group;
X1 and X2 are, each independently, a linking group;
Y1 and Y2, each independently, comprise an arylamino group; and
Z is a bridging group having to formula \u2014Q1\u2014X3\u2014Q2\u2014 where Q1 and Q2 comprise, each independently, O or S, and X3 comprises a \u2014(CH2)p\u2014 group where p is an integer between 1 and 20, inclusive, and at least one of the methylene groups is replaced by O, S, C\u2550O, O\u2550S\u2550O, an aryl group, a CRh group, a CRiRj group, or a SiRkRl where Rg, Rh, Ri, Rj, Rk, and Rl are, each independently, H, a hydroxyl group, a thiol group, a carboxyl group, an alkyl group, an alkoxy group, an alkenyl group, an alkynyl group, or an aryl group; and
(ii) a charge generating compound;
(b) imagewise exposing the surface of the organophotoreceptor to radiation to dissipate charge in selected areas and thereby form a pattern of charged and uncharged areas on the surface;
(c) contacting the surface with a toner to create a toned image; and
(d) transferring the toned image to the substrate.
18. An electrophotographic imaging process according to claim 17 wherein Y1 and Y2, each independently, comprise a carbazolyl group, a julolidinyl group, or an (N,N-disubstituted)arylamino group.
19. An electrophotographic imaging process according to claim 17 wherein X1 and X2 are, each independently, a \u2014(CH2)m\u2014 group, where in is an integer between 1 and 20, inclusive, and one or more of the methylene groups is optionally replaced by O, S, N, C, B, Si, P, O\u2550O, O\u2550S\u2550O, a heterocyclic group, an aromatic group, an NRa group, a CRb group, a CRcRd group, or a SiReRf where Ra, Rb, Rc, Rd, Re, and Rf are, each independently, H, a hydroxyl group, a thiol group, a carboxyl group, an amino group, an alkyl group, an alkoxy group, an alkenyl group, an alkynyl group, a heterocyclic group, an aromatic group, or a part of a ring group.
20. An electrophotographic imaging process according to claim 19 wherein X1 and X2 are, each independently, a \u2014(CH2)2\u2014 group.
21. An electrophotographic imaging process according to claim 17 wherein X3 is an aryl group or a \u2014R5\u2014Q3\u2014R6\u2014 group where R5 and R6 are, each independently, an aromatic group; and Q3 is O or S.
22. An electrophotographic imaging process according to claim 17 wherein the photoconductive element further comprises a second charge transport material.
23. An electrophotographic imaging process according to claim 22 wherein the second charge transport material comprises an electron transport compound.
24. An electrophotographic imaging process according to claim 17 wherein the photoconductive element further comprises a binder.
25. An electrophotographic imaging process according to claim 17 wherein the toner comprises colorant particles.
26. A charge transport material having the formula
where R1 and R2 are, each independently, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group;
R3 and R4 are, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a hetero cyclic group;
X1 and X2 are, each independently, a linking group;
Y1 and Y2, each independently, comprise an arylamino group; and
Z is a bridging group having the formula \u2014Q1\u2014X3\u2014Q2\u2014 where Q1 and Q2 comprise, each independently, O or S, and X3 comprises a \u2014(CH2)p\u2014 group where p is an integer between 1 and 20, inclusive, and at least one of the methylene groups is replaced by O, S, C\u2550O, O\u2550S\u2550O, an arid group, a CRh group, a CRiRj group, or a SiRkRl where Rh, Ri, Rj, Rk, and Rl are, each independently, H, a hydroxyl group, a thiol group, a carboxyl group, an alkyl group, an alkoxy group, an alkenyl group, an alkynyl group, an aryl group.
27. A charge transport material according to claim 26 wherein Y1 and Y2, each independently, comprise a carbazolyl group, a julolidinyl group, or an (N,N-disubstituted)arylamino group.
28. A charge transport material according to claim 26 wherein X1 and X2 are, each independently, a \u2014(CH2)m\u2014 group, where m is an integer between 1 and 20, inclusive, and one or more of the methylene groups is optionally replaced by O, S, N, C, B, Si, P, C\u2550O, O\u2550S\u2550O, a heterocyclic group, an aromatic group, an NRa group, a CRb group, a CRcRd group, or a SiReRf where Ra, Rb, Rc, Rd, Re, and Rf are, each independently, H, a hydroxyl group, a thiol group, a carboxyl group, an amino group, an alkyl group, an alkoxy group, an alkenyl group, an alkynyl group, a heterocyclic group, an aromatic group, or a part of a ring group.
29. A charge transport material according to claim 28 wherein X1 and X2 are, each independently, a \u2014(CH2)2\u2014 group.
30. A charge transport material according to claim 26 wherein X3 is an aryl group or a \u2014R5\u2014Q3\u2014R6\u2014 group where R5 and R6 are, each independently, an aromatic group; and Q3 is O or S.
31. A charge transport material according to claim 30 wherein X3 is an aryl group.
32. A charge transport material according to claim 30 wherein Q1 and Q2 are, each independently, S.
33. A charge transport material according to claim 30 wherein R5 and R6 are, each independently, an aryl group.
34. A charge transport material according to claim 30 wherein Q1, Q2, and Q3 are, each independently, S.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A stacker wheel having an axis of rotation central to said stacker wheel, said stacker wheel comprising:
a plurality of tines attached to a central hub, said plurality of curved tines defining a plurality of slots therebetween, and each said slot having an end proximal to said central hub;
wherein said plurality of slots comprises at least one of a first type of slot and at least one of a second type of slot, said first type of slot having said end positioned closer to said axis of rotation than said end of said second type of slot;
wherein said plurality of slots comprises an equal number of said first type of slot and said second type of slot; and
wherein said slots of said first type and said second type are interleaved.
2. A stacker wheel having an axis of rotation central to said stacker wheel, said stacker wheel comprising:
a plurality of tines attached to a central hub, said plurality of curved tines defining a plurality of slots therebetween, and each said slot having an end proximal to said central hub;
wherein said plurality of slots comprises at least one of a first type of slot and at least one of a second type of slot, said first type of slot having said end positioned closer to said axis of rotation than said end of said second type of slot; and
wherein said first type of slot is wider than said second type of slot.
3. A media dispenser including a stacker wheel having an axis of rotation central to said stacker wheel, said stacker wheel comprising:
a plurality of tines attached to a central hub, said plurality of curved tines defining a plurality of slots therebetween, and each said slot having an end proximal to said central hub; and
wherein said plurality of slots comprises at least one of a first type of slot and at least one of a second type of slot, said first type of slot having said end positioned closer to said axis of rotation than said end of said second type of slot;
a first set of fingers arranged to remove media from said first type of slot;
a second set of fingers arranged to remove media from said second type of slot; and
wherein said first set of fingers are further arranged to dispatch media removed from said first type of slot to a purge bin; and said second set of fingers are further arranged to dispatch media removed said second type of slot to a dispenser slot.
4. An automated teller machine including a stacker wheel having an axis of rotation central to said stacker wheel, said stacker wheel comprising:
a plurality of tines attached to a central hub, said plurality of curved tines defining a plurality of slots therebetween, and each said slot having an end proximal to said central hub; and
wherein said plurality of slots comprises at least one of a first type of slot and at least one of a second type of slot, said first type of slot having said end positioned closer to said axis of rotation than said end of said second type of slot.
5. An automated teller machine according to claim 4 further comprising:
a first set of fingers arranged to remove media from said first type of slot; and
a second set of fingers arranged to remove media from said second type of slot.
6. An automated teller machine according to claim 5, wherein:
said first set of fingers are further arranged to dispatch media removed from said first type of slot to a purge bin; and
said second set of fingers are further arranged to dispatch media removed said second type of slot to a dispenser slot.