US3829185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Housing assembly for electrostatic printing machine
Assignee: VERSATEC
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Filing: 1972-05-11
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Granted: 1974-08-13
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Expires: 1992-05-11
Abstract
Abstract A housing assembly for an electrostatic printing machine features: a sealed chamber for storage of a supply of printing material in either fan-fold or roll form; means for tensioning a web of the material as it is fed to an electrostatic printing head; and a broad leaf member extending transversely of the bin assembly between a supply of fan-fold web material and the tensioned web itself as stretched out to the recording head so as to prevent rubbing contact therebetween.
Inventors
- 👤 W Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:37
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/65; G03G15/6597; G01; G01D; G01D15/00; G01D15/28; G03G2215/00; G03G2215/00362; G03G2215/00367; G03G2215/00379; G03G2215/00383; G03G2215/00443; G03G2215/00447; G03G2215/00451; G03G2215/00455; G03G2215/00459; G03G2215/00518; G03G2215/00535; G03G2215/0054
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
186 words
In an electrostatic printing machine of a type employing a web of printing material to be fed to a printing station for recording upon the web, a housing assembly including a storage chamber for containing a supply of said material in atmospherically sealed condition for delivery therefrom to said station, said chamber comprising a bin assembly having bottom, side and end walls secured thereto to form a receiving zone adapted to loosely receive therein a supply of said web material, a closure assembly including a top panel and side and end walls secured thereto, means pivotally coupling said closure assembly to said bin assembly for movement of the former between closed and open positions relative to the latter, and means for forming an atmospherically sealed interface between said assemblies and extending around said assemblies for sealing the storage chamber from the atmosphere, said sealed interface including resilient strips carried by and bounding the periphery of one of said assemblies and elongate rigid supports carried by and bounding the periphery of the other of said assemblies in position to engage said resilient strips in sealing relation therebetween.
Claim 2
Dependent Claim
186 words
In an electrostatic printing machine of a type employing a web of printing material to be fed to a printing station for recording upon the web, a housing assembly including a storage chamber for containing a supply of said material in atmospherically sealed condition for delivery therefrom to said station, said chamber comprising a bin assembly having bottom, side and end walls secured thereto to form a receiving zone adapted to loosely receive therein a supply of said web material, a closure assembly including a top panel and side and end walls secured thereto, means pivotally coupling said closure assembly to said bin assembly for movement of the former between closed and open positions relative to the latter, and means for forming an atmospherically sealed interface between said assemblies and extending around said assemblies for sealing the storage chamber from the atmosphere, said sealed interface including resilient strips carried by and bounding the periphery of one of said assemblies and elongate rigid supports carried by and bounding the periphery of the other of said assemblies in position to engage said resilient strips in sealing relation therebetween.
Claim 3
Dependent Claim
82 words
In an electrostatic printer machine having a housing according to claim 1 including means forming an elongate knife edge element carried by one of said assemblies to extend transversely of said bin, a resilient seal strip element carried by the other of said assemblies and extending transversely of said bin assembly, one of said elements being disposed to move in a path into and out of sealing engagement with the other of said elements to form a portion of said sealed interface.
Claim 4
Dependent Claim
106 words
In an electrostatic printing machine having a housing according to claim 1 and including an electrically insulated lip element carried by said bin assembly to extend transversely of the path of said web of material and disposed at the discharge edge of said bin assembly to support said web from beneath durinG passage of said web from said chamber, and an elongate, pliant, resilient sealing strip substantially coextensive with said lip element and carried by said closure assembly to be disposed to yieldingly lie upon said web as said web passes across said lip element when said closure assembly is disposed in its said closed position.
Claim 5
Dependent Claim
71 words
In an electrostatic printing machine having a housing according to claim 1 including an elongate guide element extending transversely of said bin assembly and supported between the side walls of same for passing said web around said guide element and means carried from the underside of said closure assembly for pressing said web against said guide element to impart a drag to said web as it is drawn from said chamber.
Claim 6
Dependent Claim
88 words
In an electrostatic printing machine having a housing according to claim 4 wherein the last named means includes a broad leaf member hinged to the underside of said closure assembly, the distal edge of said leaf member moving in a path including said guide element and engaging said web trained about same when said closure assembly is moved to its said closed position and means carried by said leaf member for urging said leaf member toward said guide element to apply a drag to said web passing thereacross.
Claim 7
Dependent Claim
40 words
In an electrostatic printing machine having a housing according to claim 1 further comprising inspection ports formed in one of said assemblies and resilient closure diaphragms atmospherically sealed readily releasably in said ports to afford pressure relief within said chamber.
Claim 8
Dependent Claim
100 words
In an electrostatic printing machine having a housing according to claim 3 in which said bin assembly serves to contain a supply of web material disposed in fan-fold condition, further comprising an elongate guide element extending transversely of said bin assembly and means for supporting said guide element above said supply of web material and remote from said lip element for supporting a length of said material as a web extending between said lip element and said guide element, and a leaf member extending transversely of said bin assembly between said supply and said web to prevent rubbing contact therebetween.
Claim 9
Dependent Claim
151 words
In an electrostatic printing machine of a type employing a web of printing material to be fed to a printing station for recording upon the web, an open topped bin assembly for containing a supply of web material in fan-fold condition, an elongate guide element extending transversely of said bin assembly, means supporting said guide element above said supply at one end of said bin assembly, an elongate electrically insulative lip element disposed in substantially parallel spaced relation to said guide element and at the other end of said bin assembly for supporting a length of said material as a web to extend between said lip and guide elements, a bar extending transversely of and beneath said web, and means supporting said bar to ride freely upon the top of said supply for maintaining a spaced relation between said web and said supply to prevent rubbing contact between the surfaces thereof.
Claim 10
Dependent Claim
151 words
In an electrostatic printing machine of a type employing a web of printing material to be fed to a printing station for recording upon the web, an open topped bin assembly for containing a supply of web material in fan-fold condition, an elongate guide element extending transversely of said bin assembly, means supporting said guide element above said supply at one end of said bin assembly, an elongate electrically insulative lip element disposed in substantially parallel spaced relation to said guide element and at the other end of said bin assembly for supporting a length of said material as a web to extend between said lip and guide elements, a bar extending transversely of and beneath said web, and means supporting said bar to ride freely upon the top of said supply for maintaining a spaced relation between said web and said supply to prevent rubbing contact between the surfaces thereof.
Claim 11
Dependent Claim
70 words
In an electrostatic printing machine according to claim 8 further including a U-shaped bracket readily removably disposed in said bin and having upwardly extending arms bounding the side edges of said web material, means pivotally coupling a transverse edge of said bar to extend between said arms of the bracket and to permit a portion of said bar to freely ride up and down on the top of said supply.
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) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |