Patent US3910475A successfully refreshed from Google Patents.
US3910475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for electrically grounding or biasing a member
Assignee: Xerox Corp
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Filing: 1973-03-15
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Granted: 1975-10-07
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Expires: 1993-03-15
Abstract
Abstract A system for electrically grounding or biasing a member comprising providing a member comprising an insulating layer and a conductive layer and at least one indent in and at least through said insulating layer and temporarily contacting a grounded or biased conductive element with said indent from the insulating side of said member sufficiently to contact said element with said conductive layer whereby said element grounds or biases said member. Further disclosed are means for doing the above grounding or biasing a member while simultaneously advancing said member.
Inventors
- 👤 Arnold L Pundsack
- 👤 Jerome N Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:26
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/75; G03G15/754; G03G17/00; G03G17/04; G03G5/00; G03G5/10
Claims Analysis
Total Claims: 55
Claim 1
Independent Claim
79 words
A method of simultaneously advancing and electrically grounding or biasing a member comprising: a. providing a member comprising an insulating layer and a conductive layer and at least one indent in and at least through said insulating layer; and b. contacting an electrically grounded or biased conductive driving element with said indent from the insulating side of said member sufficiently to contact said element with said conductive layer whereby said element electrically grounds or biases and advances said member.
Claim 2
Independent Claim
79 words
A method of simultaneously advancing and electrically grounding or biasing a member comprising: a. providing a member comprising an insulating layer and a conductive layer and at least one indent in and at least through said insulating layer; and b. contacting an electrically grounded or biased conductive driving element with said indent from the insulating side of said member sufficiently to contact said element with said conductive layer whereby said element electrically grounds or biases and advances said member.
Claim 3
Dependent Claim
12 words
The method according to claim 1 wherein said member comprises a web.
Claim 4
Dependent Claim
13 words
The method according to claim 2 wherein said web comprises a reusable web.
Claim 5
Dependent Claim
19 words
The method according to claim 2 wherein there are plurality of perforations along the longitudinal axis of said web.
Claim 6
Dependent Claim
14 words
The method according to claim 3 wherein said reusable web comprises an endless web.
Claim 7
Dependent Claim
18 words
The method according to claim 1 wherein said electrically grounded or biased conductive driving element comprises a web.
Claim 8
Dependent Claim
13 words
The method according to claim 6 wherein said web comprises a reusable web.
Claim 9
Dependent Claim
14 words
The method according to claim 7 wherein said reusable web comprises an endless web.
Claim 10
Dependent Claim
18 words
The method according to claim 1 wherein the indent comprises at least one perforation completely through said member.
Claim 11
Dependent Claim
24 words
The method according to claim 9 wherein said electrically grounded or biased conductive driving element comprises at least one electrically grounded or biased finger.
Claim 12
Dependent Claim
46 words
The method according to claim 10 wherein said perforation comprises a plurality of perforations along at least one side of said member and said electrically grounded or biased conductive driving finger engages said perforations to contact said finger with said conductive layer and advance said member.
Claim 13
Dependent Claim
18 words
The method according to claim 11 wherein the electrically grounded or biased conductive driving finger comprises a sprocket.
Claim 14
Dependent Claim
49 words
The method according to claim 11 wherein the electrically grounded or biased conductive drive finger comprises a plurality of drive fingers perpendicularly attached to an electrically grounded or biased conductive endless web where at least one drive finger is making electrical contact with said conductive layer during said method.
Claim 15
Dependent Claim
13 words
The method according to claim 12 wherein the member comprises an imaging member.
Claim 16
Dependent Claim
18 words
The method according to claim 14 wherein the imaging member comprises a photosensitive layer overlying the conductive layer.
Claim 17
Dependent Claim
26 words
The method according to claim 14 wherein the imaging member comprises a layer of softenable material containing migration material, said softenable material overlying said conductive layer.
Claim 18
Dependent Claim
16 words
The method according to claim 16 wherein the migration material is dispersed throughout said softenable material.
Claim 19
Dependent Claim
34 words
The method according to claim 16 wherein the migration material is arranged in a fracturable layer contiguous the surface of said softenable material spaced apart from said conductive layer and contacting said softenable material.
Claim 20
Dependent Claim
14 words
The method according to claim 14 wherein the imaging member comprises a reusable web.
Claim 21
Dependent Claim
14 words
The method according to claim 19 wherein the reusable web is an endless belt.
Claim 22
Dependent Claim
25 words
The method according to claim 20 wherein the imaging member additionally comprises an overlayer of softenable material containing migration material and contacting said conductive layer.
Claim 23
Dependent Claim
16 words
The method according to claim 21 wherein the migration material is dispersed throughout said softenable material.
Claim 24
Dependent Claim
33 words
The method according to claim 21 wherein the migration material is arranged in a fracturable layer contiguous the surface of said softenable layer spaced apart from said substrate and contacting said softenable Material.
Claim 25
Dependent Claim
13 words
The method according to claim 1 wherein the member comprises an imaging member.
Claim 26
Dependent Claim
18 words
The method according to claim 24 wherein the imaging member comprises a photosensitive layer overlying the conductive layer.
Claim 27
Dependent Claim
26 words
The method according to claim 25 wherein the imaging member comprises a layer of softenable material containing migration material, said softenable material overlying said conductive layer.
Claim 28
Dependent Claim
16 words
The method according to claim 26 wherein the migration material is dispersed throughout said softenable material.
Claim 29
Dependent Claim
34 words
The method according to claim 26 wherein the migration material is arranged in a fracturable layer contiguous the surface of said softenable material spaced apart from said conductive layer and contacting said softenable material.
Claim 30
Dependent Claim
23 words
The method according to claim 1 wherein the member additionally comprises a second insulating layer, said second insulating layer overlying said conductive layer.
Claim 31
Dependent Claim
25 words
A method according to claim 1 wherein the portions of said element contacting said conductive layer are sequentially moved into and out of such contact.
Claim 32
Dependent Claim
82 words
Apparatus for simultaneously advancing and electrically grounding or biasing a reusable member comprising: a. a reusable member comprising an insulating layer and a conductive layer and at least one indent in and at least through said insulating layer; b. an electrically grounded or biased conductive driving element adapted to contact said indent; and c. drive means for advancing said electrically grounded or biased conductive driving element into contact with said indent whereby said element electrically grounds or biases and advances said member.
Claim 33
Dependent Claim
82 words
Apparatus for simultaneously advancing and electrically grounding or biasing a reusable member comprising: a. a reusable member comprising an insulating layer and a conductive layer and at least one indent in and at least through said insulating layer; b. an electrically grounded or biased conductive driving element adapted to contact said indent; and c. drive means for advancing said electrically grounded or biased conductive driving element into contact with said indent whereby said element electrically grounds or biases and advances said member.
Claim 34
Dependent Claim
14 words
The apparatus according to claim 31 wherein the reusable member comprises an endless web.
Claim 35
Dependent Claim
14 words
The apparatus according to claim 31 wherein the reusable member is an imaging member.
Claim 36
Dependent Claim
18 words
The apparatus according to claim 33 wherein the imaging member comprises a photosensitive layer overlying said conductive layer.
Claim 37
Dependent Claim
26 words
The apparatus according to claim 33 wherein the imaging member comprises a layer of softenable material containing migration material, said softenable material overlying said conductive layer.
Claim 38
Dependent Claim
16 words
The apparatus according to claim 35 wherein the migration material is dispersed throughout said softenable material.
Claim 39
Dependent Claim
34 words
The apparatus according to claim 35 wherein the migration material is arranged in a fracturable layer contiguous the surface of said softenable material spaced apart from said conductive layer and contacting said softenable material.
Claim 40
Dependent Claim
17 words
The apparatus according to claim 31 wherein the grounded or biased conductive driving element comprises a web.
Claim 41
Dependent Claim
13 words
The apparatus according to claim 38 wherein the web comprises a reusable web.
Claim 42
Dependent Claim
14 words
The apparatus according to claim 39 wherein the reusable web comprises an endless web.
Claim 43
Dependent Claim
18 words
The apparatus according to claim 31 wherein the electrically grounded or biased conductive driving element comprises a roller.
Claim 44
Dependent Claim
18 words
The apparatus according to claim 31 wherein said indent comprises at least one perforation completely through said member.
Claim 45
Dependent Claim
25 words
The apparatus according to claim 42 wherein said electrically grounded or biased conductive driving element comprises at least one electrically grounded or biased conductive finger.
Claim 46
Dependent Claim
45 words
The apparatus according to claim 43 wherein said perforation comprises a plurality of perforations along at least one side of said member and said grounded or biased conductive driving finger engages said perforations to contact said finger with said conductive layer and advance said member.
Claim 47
Dependent Claim
17 words
The apparatus according to claim 44 wherein the electrically grounded or biased conductive finger comprises a sprocket.
Claim 48
Dependent Claim
51 words
The apparatus according to claim 43 wherein the electrically grounded or biased conductive finger comprises a plurality of fingers perpendicularly attached to an electrically grounded or biased conductive endless web, said endless web parallel to said member and at least one drive Finger is making electrical contact with said conductive layer.
Claim 49
Dependent Claim
13 words
The apparatus according to claim 45 wherein the member comprises an imaging member.
Claim 50
Dependent Claim
18 words
The apparatus according to claim 47 wherein the imaging member comprises a photosensitive layer overlying said conductive layer.
Claim 51
Dependent Claim
26 words
The apparatus according to claim 47 wherein the imaging member comprises a layer of softenable material containing migration material, said softenable material overlying said conductive layer.
Claim 52
Dependent Claim
16 words
The apparatus according to claim 49 wherein the migration material is dispersed throughout said softenable material.
Claim 53
Dependent Claim
34 words
The apparatus according to claim 40 wherein the migration material is arranged in a fracturable layer contiguous the surface of said softenable material spaced apart from said conductive layer and contacting said softenable material.
Claim 54
Independent Claim
79 words
A method of electrically grounding or biasing an advancing web comprising: a. providing an advancing web comprising an insulating layer and a conductive layer and at least one indent in and at least through said insulating layer; and b. temporarily contacting an electrically grounded or biased conductive element with said indent from the insulating side of said advancing web sufficiently to physically contact said element with said conductive layer whereby said element electrically grounds or biases said advancing web.
Claim 55
Independent Claim
79 words
A method of electrically grounding or biasing an advancing web comprising: a. providing an advancing web comprising an insulating layer and a conductive layer and at least one indent in and at least through said insulating layer; and b. temporarily contacting an electrically grounded or biased conductive element with said indent from the insulating side of said advancing web sufficiently to physically contact said element with said conductive layer whereby said element electrically grounds or biases said advancing web.
References Cited (Backward Citations)
US3157330A
Cited
US3533692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-06 | 1979-04-07 | 1979-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-06 | 1983-04-07 | 1983-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-06 | 1987-04-07 | 1987-10-07 | $7700.00 | Window Closed / Lapsed |