US3717182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rapier loom
Assignee: Individual
•
Filing: 1970-05-18
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Granted: 1973-02-20
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Expires: 1990-05-18
Abstract
Abstract A rapier, or shuttleless, loom comprising a flexible rapier or tape, there being means for supporting, feeding and retracting the tape on its edge, there being additional guide means associated with the lay of the loom for maintaining the tape in juxtaposition to the front side of the reed as the tape is fed into and retracted from the shed. The means for feeding and retracting the tape is directly responsive to and is controlled by the means which rock the lay, whereupon the feed and retraction of the tape are in a predetermined time sequence to the rocking motion of the lay.
Inventors
- 👤 R Sparling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:58
CPC Classifications
D; D03; D03D; D03D47/00; D03D47/27; D03D47/271; D03D47/272; D03D47/275; D03D47/277
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
287 words
In a rapier loom having a lay and means for imparting rocking movement to said lay, a pair of flexible rapier tapes, means for simultaneously feeding said tapes from opposite sides of the loom to substantially the center point of the lay and then retracting them, transfer means carried by the inner ends of said tapes whereby one of said transfer means carries a weft thread from one side of the loom to the center thereof and then transfers the weft thread to the other transfer means so that as the tapes retract, the weft thread is carried across the remaining half of the loom to complete the pick, and means supporting said tapes on their edges during their movement across the lay, said feeding means comprising a drive wheel at each side of the loom making driving engagement with one of said tapes, said wheels each being horizontally disposed and each having a vertical shaft fixed thereto, and means for oscillating said shafts to feed and retract said tapes, said oscillating means being controlled by said rocking means, whereby movement of said tapes is in predetermined timed sequence to rocking of the lay, said rocking means comprising a crank shaft and connecting rod, said oscillating means comprising an arcuate cam having a fixed arm extending therefrom and mounted for pivotal movement about a pivot point spaced from said cam, and a follower fixed to said connecting rod and slidably engaging said cam, whereby as said crank shaft rotates, oscillating motion is simultaneously imparted to said connecting rod and to said cam and arm, the movement of said follower along said cam causing said arm to oscillate in a predetermined relation to oscillation of said connecting rod.
Claim 2
Dependent Claim
287 words
In a rapier loom having a lay and means for imparting rocking movement to said lay, a pair of flexible rapier tapes, means for simultaneously feeding said tapes from opposite sides of the loom to substantially the center point of the lay and then retracting them, transfer means carried by the inner ends of said tapes whereby one of said transfer means carries a weft thread from one side of the loom to the center thereof and then transfers the weft thread to the other transfer means so that as the tapes retract, the weft thread is carried across the remaining half of the loom to complete the pick, and means supporting said tapes on their edges during their movement across the lay, said feeding means comprising a drive wheel at each side of the loom making driving engagement with one of said tapes, said wheels each being horizontally disposed and each having a vertical shaft fixed thereto, and means for oscillating said shafts to feed and retract said tapes, said oscillating means being controlled by said rocking means, whereby movement of said tapes is in predetermined timed sequence to rocking of the lay, said rocking means comprising a crank shaft and connecting rod, said oscillating means comprising an arcuate cam having a fixed arm extending therefrom and mounted for pivotal movement about a pivot point spaced from said cam, and a follower fixed to said connecting rod and slidably engaging said cam, whereby as said crank shaft rotates, oscillating motion is simultaneously imparted to said connecting rod and to said cam and arm, the movement of said follower along said cam causing said arm to oscillate in a predetermined relation to oscillation of said connecting rod.
Claim 3
Dependent Claim
287 words
In a rapier loom having a lay and means for imparting rocking movement to said lay, a pair of flexible rapier tapes, means for simultaneously feeding said tapes from opposite sides of the loom to substantially the center point of the lay and then retracting them, transfer means carried by the inner ends of said tapes whereby one of said transfer means carries a weft thread from one side of the loom to the center thereof and then transfers the weft thread to the other transfer means so that as the tapes retract, the weft thread is carried across the remaining half of the loom to complete the pick, and means supporting said tapes on their edges during their movement across the lay, said feeding means comprising a drive wheel at each side of the loom making driving engagement with one of said tapes, said wheels each being horizontally disposed and each having a vertical shaft fixed thereto, and means for oscillating said shafts to feed and retract said tapes, said oscillating means being controlled by said rocking means, whereby movement of said tapes is in predetermined timed sequence to rocking of the lay, said rocking means comprising a crank shaft and connecting rod, said oscillating means comprising an arcuate cam having a fixed arm extending therefrom and mounted for pivotal movement about a pivot point spaced from said cam, and a follower fixed to said connecting rod and slidably engaging said cam, whereby as said crank shaft rotates, oscillating motion is simultaneously imparted to said connecting rod and to said cam and arm, the movement of said follower along said cam causing said arm to oscillate in a predetermined relation to oscillation of said connecting rod.
Claim 4
Dependent Claim
287 words
In a rapier loom having a lay and means for imparting rocking movement to said lay, a pair of flexible rapier tapes, means for simultaneously feeding said tapes from opposite sides of the loom to substantially the center point of the lay and then retracting them, transfer means carried by the inner ends of said tapes whereby one of said transfer means carries a weft thread from one side of the loom to the center thereof and then transfers the weft thread to the other transfer means so that as the tapes retract, the weft thread is carried across the remaining half of the loom to complete the pick, and means supporting said tapes on their edges during their movement across the lay, said feeding means comprising a drive wheel at each side of the loom making driving engagement with one of said tapes, said wheels each being horizontally disposed and each having a vertical shaft fixed thereto, and means for oscillating said shafts to feed and retract said tapes, said oscillating means being controlled by said rocking means, whereby movement of said tapes is in predetermined timed sequence to rocking of the lay, said rocking means comprising a crank shaft and connecting rod, said oscillating means comprising an arcuate cam having a fixed arm extending therefrom and mounted for pivotal movement about a pivot point spaced from said cam, and a follower fixed to said connecting rod and slidably engaging said cam, whereby as said crank shaft rotates, oscillating motion is simultaneously imparted to said connecting rod and to said cam and arm, the movement of said follower along said cam causing said arm to oscillate in a predetermined relation to oscillation of said connecting rod.
Claim 5
Dependent Claim
48 words
In the rapier loom of claim 1, a second arm secured to and extending from said cam for oscillation therewith, linkage means interconnecting the free end of said second arm and said vertical shafts, whereby oscillation of said second arm results in oscillatory rotation of said vertical shafts.
Claim 6
Dependent Claim
32 words
In the rapier loom of claim 2, means for adjusting the extent of oscillatory rotation of said vertical shafts, said adjusting means comprising means for varying the length of said second arm.
Claim 7
Dependent Claim
144 words
In a rapier loom having a lay comprising a reed depending from a transversely extending reed cap and means for imparting rocking movement to said lay to beat-up the weft, a flexible rapier tape having weft thread gripper means at its inner end, means for feeding said tape in and out with respect to the lay to carry a weft thread thereacross, guide means including an arcuate portion adjacent the end of the lay for guiding the tape through a portion of its in-and-out movement, and means supporting said tape on its edge during its movement across the lay, said means comprising a plurality of guide fingers extending downwardly from said reed cap in forwardly spaced relation to said reed to a point slightly below the top edge of said tape whereby said tape is maintained on edge between said fingers and said reed.
Claim 8
Dependent Claim
144 words
In a rapier loom having a lay comprising a reed depending from a transversely extending reed cap and means for imparting rocking movement to said lay to beat-up the weft, a flexible rapier tape having weft thread gripper means at its inner end, means for feeding said tape in and out with respect to the lay to carry a weft thread thereacross, guide means including an arcuate portion adjacent the end of the lay for guiding the tape through a portion of its in-and-out movement, and means supporting said tape on its edge during its movement across the lay, said means comprising a plurality of guide fingers extending downwardly from said reed cap in forwardly spaced relation to said reed to a point slightly below the top edge of said tape whereby said tape is maintained on edge between said fingers and said reed.
Claim 9
Dependent Claim
20 words
In the rapier loom of claim 4, said feeding means being directly responsive to and controlled by said rocking means.
Claim 10
Dependent Claim
190 words
In a rapier loom having a lay comprising a reed depending from a transversely extending reed cap and means for imparting rocking movement to said lay to beat-up the weft, a flexible rapier tape having weft thread gripper means at its inner end, means for feeding said tape in and out with respect to the lay to carry a weft thread thereacross, and means supporting said tape on its edge during its movement across the lay, said means comprising a plurality of guide fingers extending downwardly from said reed cap in forwardly spaced relation to said reed to a point slightly below the top edge of said tape whereby said tape is maintained on edge between said fingers and said reed, said feeding means comprising a drive wheel at one side of the loom makinG driving engagement with said tape, said wheel being horizontally disposed and having a vertical shaft fixed thereto, and means for oscillating said shaft to feed said tape in and out, said oscillating means being controlled by said rocking means, whereby movement of said tape is in a predetermined timed sequence to rocking of the lay.
Claim 11
Dependent Claim
190 words
In a rapier loom having a lay comprising a reed depending from a transversely extending reed cap and means for imparting rocking movement to said lay to beat-up the weft, a flexible rapier tape having weft thread gripper means at its inner end, means for feeding said tape in and out with respect to the lay to carry a weft thread thereacross, and means supporting said tape on its edge during its movement across the lay, said means comprising a plurality of guide fingers extending downwardly from said reed cap in forwardly spaced relation to said reed to a point slightly below the top edge of said tape whereby said tape is maintained on edge between said fingers and said reed, said feeding means comprising a drive wheel at one side of the loom makinG driving engagement with said tape, said wheel being horizontally disposed and having a vertical shaft fixed thereto, and means for oscillating said shaft to feed said tape in and out, said oscillating means being controlled by said rocking means, whereby movement of said tape is in a predetermined timed sequence to rocking of the lay.
Claim 12
Dependent Claim
100 words
In the rapier loom of claim 6, said rocking means comprising a crank shaft and connecting rod, said oscillating means comprising an arcuate cam having a fixed arm extending therefrom and mounted for pivotal movement about a pivot point spaced from said cam, and a follower fixed to said connecting rod and slidably engaging said cam, whereby as said crank shaft rotates, oscillating motion is simultaneously imparted to said connecting rod and to said cam and arm, the movement of said follower along said cam causing said arm to oscillate in a predetermined relation to oscillation of said connecting rod.
Claim 13
Dependent Claim
48 words
In the rapier loom of claim 7, a second arm secured to and extending from said cam for oscillation therewith, linkage means interconnecting the free end of said second arm and said vertical shaft, whereby oscillation of said second arm results in oscillatory rotation of said vertical shaft.
Claim 14
Dependent Claim
32 words
In the rapier loom of claim 8, means for adjusting the extent of oscillatory rotation of said vertical shaft, said adjusting means comprising means for varying the length of said second arm.
Claim 15
Dependent Claim
234 words
In a rapier loom having a lay and means for imparting rocking movement to said lay, a pair of flexible rapier tapes, means for simultaneously feeding said tapes from opposite sides of the loom to substantially the center point of the lay and then retracting them, transfer means carried by the inner ends of said tapes whereby one of said transfer means carries a weft thread from one side of the loom to the center thereof and then transfers the weft thread to the other transfer means so that as the tapes retract, the weft thread is carried across the remaining half of the loom to complete the pick, and means supporting said tapes on their edges during their movement across the lay, said feeding means comprising a drive wheel at each side of the loom making driving engagement with one of said tapes, said wheels each being horizontally disposed and each having a vertical shaft fixed thereto, and means for oscillating said shafts to feed and retract said tapes, each of said tapes engaging its respective drive wheel for approximately one half of the circumference thereof, the free ends of said tapes extending toward each other and overlapping when the tapes are in retracted position, channel means extending between said wheels for receiving the retracted tapes, and a vertical partition in said channel means for keeping said retracted tapes separated from each other.
Claim 16
Dependent Claim
234 words
In a rapier loom having a lay and means for imparting rocking movement to said lay, a pair of flexible rapier tapes, means for simultaneously feeding said tapes from opposite sides of the loom to substantially the center point of the lay and then retracting them, transfer means carried by the inner ends of said tapes whereby one of said transfer means carries a weft thread from one side of the loom to the center thereof and then transfers the weft thread to the other transfer means so that as the tapes retract, the weft thread is carried across the remaining half of the loom to complete the pick, and means supporting said tapes on their edges during their movement across the lay, said feeding means comprising a drive wheel at each side of the loom making driving engagement with one of said tapes, said wheels each being horizontally disposed and each having a vertical shaft fixed thereto, and means for oscillating said shafts to feed and retract said tapes, each of said tapes engaging its respective drive wheel for approximately one half of the circumference thereof, the free ends of said tapes extending toward each other and overlapping when the tapes are in retracted position, channel means extending between said wheels for receiving the retracted tapes, and a vertical partition in said channel means for keeping said retracted tapes separated from each other.
Claim 17
Dependent Claim
188 words
In a rapier loom having a lay and means for imparting rocking movement to said lay, a flexible rapier tape having weft thread gripper means at its inner end, means for feeding said tape in and out with respect to the lay to carry a weft thread thereacross, said feeding means being directly responsive to and controlled by said rocking means, said feeding means comprising a drive wheel making driving engagement with said tape, said wheel having a drive shaft fixed thereto, and means for oscillating said shaft to feed said tape in and out, said rocking means comprising a crank shaft and connecting rod, said oscillating means comprising an arcuate cam having a fixed arm extending therefrom and mounted for pivotal movement about a pivot point spaced from said cam, and a follower fixed to said connecting rod and slidably engaging said cam, whereby as said crank shaft rotates, oscillating motion is simultaneously imparted to said connecting rod and to said cam and arm, the movement of said follower along said cam causing said arm to oscillate in a predetermined relation to oscillation of said connecting rod.
Claim 18
Dependent Claim
188 words
In a rapier loom having a lay and means for imparting rocking movement to said lay, a flexible rapier tape having weft thread gripper means at its inner end, means for feeding said tape in and out with respect to the lay to carry a weft thread thereacross, said feeding means being directly responsive to and controlled by said rocking means, said feeding means comprising a drive wheel making driving engagement with said tape, said wheel having a drive shaft fixed thereto, and means for oscillating said shaft to feed said tape in and out, said rocking means comprising a crank shaft and connecting rod, said oscillating means comprising an arcuate cam having a fixed arm extending therefrom and mounted for pivotal movement about a pivot point spaced from said cam, and a follower fixed to said connecting rod and slidably engaging said cam, whereby as said crank shaft rotates, oscillating motion is simultaneously imparted to said connecting rod and to said cam and arm, the movement of said follower along said cam causing said arm to oscillate in a predetermined relation to oscillation of said connecting rod.
Claim 19
Dependent Claim
46 words
In the rapier loom of claim 11, a second arm secured to and extending frOm said cam for oscillation therewith, linkage means interconnecting the free end of said second arm and said shaft, whereby oscillation of said second arm results in oscillatory rotation of said shaft.
Claim 20
Dependent Claim
31 words
In the rapier loom of claim 12, means for adjusting the extent of oscillatory rotation of said shaft, said adjusting means comprising means for varying the length of said second arm.
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) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |