IL43398A - Yarn tensioning device and method - Google Patents

Claims (1)

1. adjacent said seat. .1 34. A yarn tension device as defined in Claim 22 2 wherein said housing is manufactured of a plastic material. 1 35. A yarn tension device as defined in Claim 34 2 wherein said plastic material is transparent. 1 36. A yarn tension device as defined in Claim 22 2 . comprising further mounting means secured to said housing. 1 37. A yarn tension device as defined in Claim 36 : 2 . wherein said' mounting means comprise an elongated member, said 3·.' member having a slot extending along a portion of the length 4 thereof . ' ." '■'■ .::■■··"■·;■·-,·;;'■':.-·. ;"' ·■ .· ...:.:■_.:.. ;;·. ■ ■■■■ :. ·.·- : - .. //.. 1 · · ., -_·. 38. A yarn tension device as defined in Claim 22 '"•2'·.'··.· . v/herein said housing has a lower.· end that angles in. toward-' . ' 4 surface. 1 ·■.· ■ . 39.' " A yarn tension' device as defined. in Claim '38. ··''.. · ; 27 "." wherein said angled lower end of said housing is radiused .'[ 3 ·;··.·· ;■·:.inwardly to said passageway .- .. · ,--..' ■.' '■.·■.,· · - - ----,'.;. V. :'^·_;·-. '.- 1 40. A yarn tension device comprising: 2 a) a housing, said housing having a yarn passage- 3 way extending therethrough, said passageway having an abrasion 4 . resistant surface with smooth edges at an upper end thereof, 5 said housing further, having a rounded bottom; 6 b) an annular seat received in said passageway to 7 receive a spherical element, said seat having smooth curved 8 surfaces around said annulus for contact with said spherical 9 element, said curved surfaces having a radius of curvature 0 opposite the curvature of said spherical element whereby said 1 spherical element make's point contact with said , seat around 2 . said annulus; and; · ... ' ■■ 3 c) at least one spherical element receivable in 4 said passageway, . said spherical element being resizeable at . .· 5: ··'·· said seat' and being out of." contact with- walis of said passage--6 way thereat. 1...· '.' 41. A yarn tension- device as defined in Claim 0 \ 2 '·'··'. wherein, said housing and annular seat are- integral. : 1' 42. A yarn tension device as defined in Claim 40 2. wherein the housing adjacent the top of said. passageway is · 3- cutaway to define a shoulder, around said passageway and an 4. annular insert is received therein, said insert providing the' 5 abrasion resistant surface and smooth rounded edges . ' 1 43. A yarn tension device as defined in. Claim 42 2 wherein said insert is manufactured of aluminum oxide. 44. A yarn tension device as defined in Claim 40 comprising further a collar removably received around said housing, said collar having an arm secured thereto and extending inwardly over a portion of said passageway, said arm precluding removal of said spherical element while permitting unimpeded movement of yarn thereby. 45. ■ A yarn tension device as defined in Claim 40 wherein said housing is manufactured of a transparent plastic material . .-·,·". .' 46.' A .yarn tension device as defined in Claim 40 wherein the upper end of said passageway defines, a second annular seat and comprising further a large spherical element received at said, seat ,. outside of . said passageway. : 47. A yarn tension device as defined in Claim 40· wherein mounting means are secured to said housing. .. „-..'-'■·: ; ■ 48... A' yarn- tension device : as defined ' in .Claim .47 · wherein said mounting means comprise an elongated member having a slot extending a portion of the length thereof.