US3701299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming stacks of cloth webs which are cut to length
Assignee: Individual
•
Filing: 1971-03-02
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Granted: 1972-10-31
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Expires: 1991-03-02
Abstract
Abstract Webs of material are withdrawn from superposed cloth rolls to form a stack of layers on a table. The stack is clamped and compressed in a clamping device and the stack is cut by a cutting mechanism. The cut ends of the stack are gripped in a carriage which travels on the table to pull the stack through the now open clamping device and withdraw the webs from the rolls. At a particular position, the carriage trips a switch and the stack is clamped and cut whereupon the cut stack is transported on a conveyor and the carriage returns to its initial position adjacent the cutting mechanism.
Inventors
- 👤 Gunter Stumpf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:39
CPC Classifications
A; A41; A41H; A41H43/00; A41H43/005; B; B65; B65H; B65H16/00; B65H16/02; B65H16/06; B65H35/00; B65H35/04; B65H35/06; B65H2403/00; B65H2403/30; Y; Y10; Y10S; Y10S83/00; Y10S83/929; Y10S83/936; Y10S83/937; Y10T; Y10T83/00; Y10T83/141; Y10T83/202; Y10T83/2092; Y10T83/2192; Y10T83/444; Y10T83/4458; Y10T83/446; Y10T83/463; Y10T83/4632; Y10T83/4645; Y10T83/525; Y10T83/533; Y10T83/536; Y10T83/541; Y10T83/544; Y10T83/586; Y10T83/647; Y10T83/654; Y10T83/6572; Y10T83/6577; Y10T83/889; Y10T83/896; Y10T83/902
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
223 words
Apparatus for extracting cloth webs from a plurality of cloth rolls to form a cut stack thereof, said apparatus comprising a magazine, a plurality of cloth rolls supported in said magazine so that webs of the cloth can be unwound from the rolls in superposed relation, a table adjacent the magazine for receiving the webs from the rolls, means for guiding the webs from the magazine to collect the webs in a stack at the level of said table, clamping means on said table for clamping the stack thereon and compressing the same, cutting means on said table for cutting a clamped stack on the table, a first conveyor means incorporated in said table for advancing a cut stack, a second conveyor means adjacent the first conveyor means and driven in the same direction and speed thereas, a carriage mounted on said table for displacement adjacent said first conveyor means for movement in the same direction as said first conveyor means and in a direction opposite thereto, gripping means on said carriage for gripping the stack at the cut edges thereof, coupling means for selectively connecting the carriage and second conveyor means in driving relation, and switch means in the path of the travel of the carriage for being activated thereby for controlling the length of the stack cut by the cutting means.
Claim 2
Dependent Claim
223 words
Apparatus for extracting cloth webs from a plurality of cloth rolls to form a cut stack thereof, said apparatus comprising a magazine, a plurality of cloth rolls supported in said magazine so that webs of the cloth can be unwound from the rolls in superposed relation, a table adjacent the magazine for receiving the webs from the rolls, means for guiding the webs from the magazine to collect the webs in a stack at the level of said table, clamping means on said table for clamping the stack thereon and compressing the same, cutting means on said table for cutting a clamped stack on the table, a first conveyor means incorporated in said table for advancing a cut stack, a second conveyor means adjacent the first conveyor means and driven in the same direction and speed thereas, a carriage mounted on said table for displacement adjacent said first conveyor means for movement in the same direction as said first conveyor means and in a direction opposite thereto, gripping means on said carriage for gripping the stack at the cut edges thereof, coupling means for selectively connecting the carriage and second conveyor means in driving relation, and switch means in the path of the travel of the carriage for being activated thereby for controlling the length of the stack cut by the cutting means.
Claim 3
Dependent Claim
44 words
Apparatus as claimed in claim 1 wherein said first conveyor means comprises a conveyor belt and said second conveyor means comprises an endless member at least at one lateral side of the conveyor belt, said carriage extending over the width of the conveyor belt.
Claim 4
Dependent Claim
52 words
Apparatus as claimed in claim 2 wherein said gripping means on the carriage is pivotably connected thereto to be raised above the level of the stack to permit passage of the stack on the conveyor belt, said carriage being constructed to permit passage therepast of the said stack on the conveyor belt.
Claim 5
Dependent Claim
68 words
Apparatus as claimed in claim 3 wherein said switch means is connected to the conveyor means, the cutting means and the clamping means to stop the conveyor belt, and actuate the clamping means and cutting means when the switch means is activated by the carriage whereby a given length of the stack will be pulled by the carriage and the stack will be cut to this given length.
Claim 6
Dependent Claim
48 words
Apparatus as claimed in claim 4 wherein said switch means is connected to said coupling means and the gripping means to uncouple the carriage, release the gripping means and pivot the latter out of the path of travel of the stack after the operation of the cutting means.
Claim 7
Dependent Claim
47 words
Apparatus as claimed in claim 5 wherein said carriage is freely slidable on said table so as to be returned, when uncoupled from the endless member, to its initial position adjacent the cutting mechanism to grip the next stack of webs to be advanced on the table.
Claim 8
Dependent Claim
46 words
Apparatus as claimed in claim 1 comprising means for scanning the edges of the webs withdrawn from the rolls and means for adjusting the relative axial positions of the rolls in response to the scanning of the edges to align the superposed edges of the rolls.
Claim 9
Dependent Claim
63 words
Apparatus as claimed in claim 7 wherein said means for adjusting the relative axial positions of the rolls comprises, for each roll, a rotatable horizontal threaded spindle, a transporting nut threaded on said spindle and secured against turning movement, and a cloth-supporting rod coupled to said nut for axial displacement therewith in opposite directions depending on the direction of rotation of the spindle.
Claim 10
Dependent Claim
50 words
Apparatus as claimed in claim 8 comprising a support means for said rolls, said transporting nut comprising a nose guided in a longitudinal groove provided in said support means and two parallel arms, and a couplinG ring fixed on the cloth-supporting rod and having a circumferential groove receiving said arms.
Claim 11
Dependent Claim
32 words
Apparatus as claimed in claim 9 comprising a limit switch at each of the ends of the longitudinal groove for contact with said nose to limit axial movement of said transporting nut.
Claim 12
Dependent Claim
92 words
Apparatus as claimed in claim 9 wherein said support means comprises an outer frame at each of the ends of the support rolls and an inner frame, a support member between the inner frame and one outer frame for each roll, a drive means on each support member connected to one end of the spindle of the associated roll, a vertical flange on each support member supporting the other end of the spindle, and supporting rollers on said flange rotatably supporting the cloth-supporting rod adjacent the end thereof with the coupling ring.
Claim 13
Dependent Claim
102 words
Apparatus as claimed in claim 7 wherein said means for adjusting the relative axial positions of the rolls comprises, for each roll, a rotatable worm wheel having an inner thread, a horizontal threaded spindle threaded in said worm wheel and secured against turning movement for being displaced in opposite directions depending on the direction of rotation of the worm wheel, a cloth-supporting rod in alignment with said spindle, a clamping nut on said spindle and a slotted collet disposed in said nut for insertion of said cloth-supporting rod, said collet causing clamping of the said rod by tightening of the clamping nut.
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) | 1975-10-31 | 1976-05-01 | 1976-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-31 | 1980-05-01 | 1980-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-31 | 1984-05-01 | 1984-10-31 | $7700.00 | Window Closed / Lapsed |