US4333088A — Disposable peristaltic pump assembly for facsimil…

Claim 1

Independent Claim 175 words

In facsimile apparatus of the type comprising ink jet apparatus for producing droplets of ink in response to print commands, said ink jet being supplied with ink from a disposable reservoir, said reservoir comprising means for priming and purging said jet and means for producing subatmospheric pressure in the vicinity of said jet to remove purged material, the improvement comprising said means for priming or purging said jet being of the peristaltic pump type comprising a first resilient tube having a first end and a second end, means for pressing said first tube closed at a point of closure intermediate said ends, and means for moving said point of closure from said first end of said tube towards said second end, and said means for producing subatmospheric pressure being of the peristaltic pump type comprising a second resilient tube having an inlet end and an outlet end, means for pressing said second tube closed at a point of closure near said inlet end, and means for moving said point of closure towards said outlet end.

Claim 2

Dependent Claim 175 words

In facsimile apparatus of the type comprising ink jet apparatus for producing droplets of ink in response to print commands, said ink jet being supplied with ink from a disposable reservoir, said reservoir comprising means for priming and purging said jet and means for producing subatmospheric pressure in the vicinity of said jet to remove purged material, the improvement comprising said means for priming or purging said jet being of the peristaltic pump type comprising a first resilient tube having a first end and a second end, means for pressing said first tube closed at a point of closure intermediate said ends, and means for moving said point of closure from said first end of said tube towards said second end, and said means for producing subatmospheric pressure being of the peristaltic pump type comprising a second resilient tube having an inlet end and an outlet end, means for pressing said second tube closed at a point of closure near said inlet end, and means for moving said point of closure towards said outlet end.

Claim 3

Dependent Claim 17 words

The facsimile apparatus according to claim 1 wherein said tubes are pressed closed against tube block means.

Claim 4

Dependent Claim 32 words

The facsimile apparatus according to claim 2 wherein said tubes comprise a rib adapted to be clamped between mating portions of said tube block means whereby the tubes may be held firmly.

Claim 5

Dependent Claim 21 words

Facsimile apparatus according to either of claims 1 or 2 wherein said means for pressing said tubes closed comprises roller means.

Claim 6

Dependent Claim 25 words

Facsimile apparatus according to claim 1 wherein said disposable reservoir further comprises said ink jet, said ink being supplied with and disposable with said reservoir.

Claim 7

Dependent Claim 87 words

Facsimile apparatus comprising ink jet apparatus for ejecting droplets of ink onto a copy medium, means for moving said ink jet apparatus with respect to said copy medium, said ink jet apparatus comprising an ink reservoir for the supply of ink to an ink jet, peristaltic ink supply pump means for priming said ink jet and peristaltic vacuum means for removal of excess ink, wherein said ink supply means and said vacuum means are powered by single motive means stationary with respect to said ink jet apparatus.

Claim 8

Dependent Claim 87 words

Facsimile apparatus comprising ink jet apparatus for ejecting droplets of ink onto a copy medium, means for moving said ink jet apparatus with respect to said copy medium, said ink jet apparatus comprising an ink reservoir for the supply of ink to an ink jet, peristaltic ink supply pump means for priming said ink jet and peristaltic vacuum means for removal of excess ink, wherein said ink supply means and said vacuum means are powered by single motive means stationary with respect to said ink jet apparatus.

Claim 9

Dependent Claim 17 words

Apparatus according to claim 6 in which said peristaltic pump means comprise tubes affixed to tube blocks.

Claim 10

Dependent Claim 26 words

Apparatus according to claim 7 in which said tubes are adapted to be pressed against said tube blocks by roller means mounted on said motive means.

Claim 11

Dependent Claim 18 words

Apparatus according to claim 7 wherein said tubes comprise ribs adapted to be clamped by said tube blocks.

Claim 12

Dependent Claim 20 words

Apparatus according to claim 7 wherein said tube blocks are adapted to be pivoted under the action of actuator means.

Claim 13

Dependent Claim 13 words

Apparatus as claimed in claim 10 wherein said actuator means comprise solenoid means.

Claim 14

Dependent Claim 85 words

Disposable reservoir apparatus for supply of ink to an ink jet, said reservoir comprising first pump means for supply of ink to said ink jet for purging of said jet and second pump means for producing subatmospheric pressure in the vicinity of said jet for removal of any purged material, wherein both said pump means are adapted to be driven by single motive means, wherein said pumps are peristaltic pumps of the type comprising a resilient tube is mounted for compression against a tube block.

Claim 15

Dependent Claim 85 words

Disposable reservoir apparatus for supply of ink to an ink jet, said reservoir comprising first pump means for supply of ink to said ink jet for purging of said jet and second pump means for producing subatmospheric pressure in the vicinity of said jet for removal of any purged material, wherein both said pump means are adapted to be driven by single motive means, wherein said pumps are peristaltic pumps of the type comprising a resilient tube is mounted for compression against a tube block.

Claim 16

Dependent Claim 24 words

Apparatus according to claim 12 wherein both said tubes are pressed against tube blocks by single roller means driven by said single motive means.

Claim 17

Dependent Claim 42 words

Apparatus according to claim 13 wherein said tube blocks are pivotally mounted and said tubes are carried thereon whereby said tubes may be pressed into said roller means by individually actuable second and third motive means arranged for pivoting said tube blocks.

Claim 18

Dependent Claim 34 words

Apparatus according to claim 12 wherein said reservoir further comprises a flexible membrane therein so that the effective capacity of said reservoir diminishes as ink is removed therefrom, and said ink remains bubble free.

Claim 19

Dependent Claim 15 words

Apparatus according to claim 15 wherein said reservoir is contained within a substantially rigid container.

Claim 20

Dependent Claim 18 words

Apparatus according to claim 16 wherein said pump means for removal of purged material discharges into said container.

Claim 21

Dependent Claim 85 words

In facsimile apparatus of the type comprising disposable ink jet means for producing marks upon a copy medium, said ink jet means comprising an ink supply reservoir, first means for pumping ink from said reservoir through said jet to prime and to purge said jet, and second pumping means for producing a vacuum for collecting material purged from said jet the improvement which comprises said first and second pumping means being peristaltic pump means comprising resilient tubes adapted to be pressed closed against tube blocks.

Claim 22

Dependent Claim 85 words

In facsimile apparatus of the type comprising disposable ink jet means for producing marks upon a copy medium, said ink jet means comprising an ink supply reservoir, first means for pumping ink from said reservoir through said jet to prime and to purge said jet, and second pumping means for producing a vacuum for collecting material purged from said jet the improvement which comprises said first and second pumping means being peristaltic pump means comprising resilient tubes adapted to be pressed closed against tube blocks.

Claim 23

Dependent Claim 21 words

Apparatus according to claim 18 wherein said tubes comprise ribs adapted to be clamped between mating portions of said tube blocks.

Claim 24

Dependent Claim 19 words

Apparatus according to claim 19 wherein both said tubes are closed by single roller means mounted on motive means.

Claim 25

Dependent Claim 30 words

Apparatus according to claim 19 wherein said tube blocks carry said tubes, said tubes being brought into contact with said roller means under the influence of individually controllable actuator means.

Claim 26

Dependent Claim 11 words

Apparatus according to claim 21 wherein said actuator means are solenoids.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1985-05-31	1985-11-30	1986-06-01	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1989-05-31	1989-11-30	1990-06-01	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1993-05-31	1993-11-30	1994-06-01	$7700.00	Window Closed / Lapsed

Disposable peristaltic pump assembly for facsimile printer

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