US4307432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Charge apparatus
Assignee: Olympus Corp
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Filing: 1979-10-15
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Granted: 1981-12-22
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Expires: 1999-10-15
Abstract
Abstract Charged neutralizer apparatus including a charge neutralizing brush which is formed thin conductive wires brought into proximity with a charged body to cause a discharge thereof is disclosed herein. A spacer member is provided to prevent direct contact between the thin conductive wires and the charged body and defines a narrow clearance therebetween. The brush is disposed in a movable manner and adapted to move under its own weight or by biasing means, in following relationship with the changed body to thus enable an elimination of charge at any position of the charged body.
Inventors
- 👤 Masaji Nishikawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:12
CPC Classifications
H; H05; H05F; H05F3/00; H05F3/04; B; B65; B65H; B65H2301/00; B65H2301/50; B65H2301/51; B65H2301/513; B65H2301/5133
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
116 words
In charge neutralizer apparatus including a charge neutralizing brush having a plurality of extending thin conductive wires to be brought into a proximate relationship with a charged body being displaced in a feed path to cause a discharge thereof; the improvement comprising spacer means disposed adjacent to said charge neutralizing brush intermediate said charge neutralizing brush and said feed path, said spacer means for preventing direct contact between the thin conductive wires of said neutralizing brush and said charged body being displaced thereby, and movable support means for displaceably mounting said charge neutralizing brush so that said brush is movable to track and follow the movement of said charged body being displaced in said feed path.
Claim 2
Dependent Claim
116 words
In charge neutralizer apparatus including a charge neutralizing brush having a plurality of extending thin conductive wires to be brought into a proximate relationship with a charged body being displaced in a feed path to cause a discharge thereof; the improvement comprising spacer means disposed adjacent to said charge neutralizing brush intermediate said charge neutralizing brush and said feed path, said spacer means for preventing direct contact between the thin conductive wires of said neutralizing brush and said charged body being displaced thereby, and movable support means for displaceably mounting said charge neutralizing brush so that said brush is movable to track and follow the movement of said charged body being displaced in said feed path.
Claim 3
Dependent Claim
65 words
The charge neutralizer apparatus according to claim 1 wherein said spacer means includes a mounting portion fixedly secured to said neutralizing brush, and a plurality of depending spacer members extending from said mounting portion and disposed to contact a charged body being displaced in said feed path, said spacer members defining a narrow clearance between a charged body being displaced and said thin conductive wires.
Claim 4
Dependent Claim
36 words
The charge neutralizer apparatus according to claim 2 wherein said plurality of spacer members have free end portions located in substantial alignment with one another and project beyond said thin conductive wires toward said feed path.
Claim 5
Dependent Claim
29 words
The charge neutralizer apparatus according to claim 1 wherein said spacer means includes a retaining portion in which end portions of said plurality of thin conductive wires are secured.
Claim 6
Dependent Claim
40 words
The charge neutralizer apparatus according to claim 1 wherein said charge neutralizing brush which is displaceably mounted upon said support means is displaceable under its own weight, in a following relationship with a charged body present in said feed path.
Claim 7
Dependent Claim
25 words
The charge neutralizer apparatus according to claim 5 wherein said support means comprises flexible, string-like material connected between said neutralizing brush and a stationary member.
Claim 8
Dependent Claim
28 words
The charge neutralizer apparatus according to claim 5 wherein said support means comprises a curvilinear, filamentary member loosely fitted through an opening formed in said charge neutralizing brush.
Claim 9
Dependent Claim
44 words
The charge neutralizer apparatus according to claim 1 wherein said charged-body changes position as it is displaced in said feed path and said charge neutralizing brush is pivotably mounted upon said support means and is urged toward a following relationship with said charged body.
Claim 10
Dependent Claim
54 words
The charge neutralizer apparatus according to claim 8 wherein said support means comprises pivots formed at opposite end faces of said charge neutralizing brush, and said charge neutralizing brush is torsionally spring biased about said pivots to move angularly in a following relationship with a a charged body being displaced in said feed path.
Claim 11
Dependent Claim
61 words
The charge neutralizer apparatus according to claim 8 wherein said support means comprises a leaf spring having a first end portion secured to said charge neutralizing brush and a second end portion secured to a stationary member, said leaf spring acting to urge said charge neutralizing brush in a following relationship with a charged body being displaced in said feed path.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-12-21 | 1985-06-22 | 1985-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-12-21 | 1989-06-22 | 1989-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-12-21 | 1993-06-22 | 1993-12-22 | $7700.00 | Window Closed / Lapsed |