US3700327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch control means for an electrostatic book copier machine
Assignee: ICP Inc
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Filing: 1971-03-18
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Granted: 1972-10-24
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Expires: 1991-03-18
Abstract
Abstract An electrostatic book copier machine includes a movable carriage on which an original document is positioned, for reproducing onto a simultaneously moving length of copy paper. Switches for turning ''''on'''' the high intensity lamp and the corona and causing the carriage to move the document past a scanning area, are controlled by a cam means, activated after manually depressing a print button, and automatically activated when reproducing multiple copies.
Inventors
- 👤 Karl M Murgas
- 👤 Burton Greenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:38
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/28
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
179 words
In a photocopy machine having a power source, a first transport system operated by said power source for moving an original document through a scanning zone containing a light, a second transport system also operated by said power source for moving photosensitive sheet material on which copies are to be made through a corona apparatus and an image receiving zone in synchronization with the movement of an original document, means for coordinated actuation of said corona apparatus, said light and said first transport system comprising the combination of: a main cam slippably driven by said power source; an auxiliary cam adjustably secured to said main cam so as to move therewith; a cam stopper normally engaged with said main cam to prevent movement thereof; a start switch operably connected to said cam stopper to control disengagement thereof from said main cam; a first switch actuator disposed adjacent said main cam and operable thereby to actuate said corona apparatus and said light; a second switch actuator disposed adjacent said auxiliary cam and operable thereby to operate said first transport system.
Claim 2
Dependent Claim
179 words
In a photocopy machine having a power source, a first transport system operated by said power source for moving an original document through a scanning zone containing a light, a second transport system also operated by said power source for moving photosensitive sheet material on which copies are to be made through a corona apparatus and an image receiving zone in synchronization with the movement of an original document, means for coordinated actuation of said corona apparatus, said light and said first transport system comprising the combination of: a main cam slippably driven by said power source; an auxiliary cam adjustably secured to said main cam so as to move therewith; a cam stopper normally engaged with said main cam to prevent movement thereof; a start switch operably connected to said cam stopper to control disengagement thereof from said main cam; a first switch actuator disposed adjacent said main cam and operable thereby to actuate said corona apparatus and said light; a second switch actuator disposed adjacent said auxiliary cam and operable thereby to operate said first transport system.
Claim 3
Dependent Claim
21 words
The actuating means of claim 1 wherein said main cam is substantially circular with an arcuate neck portion protruding circumferentially therefrom.
Claim 4
Dependent Claim
21 words
The actuating means of claim 2 wherein said main cam has a flat side to which said auxiliary cam is secured.
Claim 5
Dependent Claim
48 words
The actuating means of claim 3 wherein said auxiliary cam is provided with a slot and said main cam is provided with a tightenable member projecting through said slot to permit positioning of said auxiliary cam in relation to said main cam within the limits of said slot.
Claim 6
Dependent Claim
32 words
The actuating means of claim 1 wherein a solenoid is provided to move said cam stopper out of engagement with said main cam and said solenoid is operated by said start switch.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |