US197519A - Improvement in stop-motions for thread-stretchers - Google Patents

Improvement in stop-motions for thread-stretchers Download PDF

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Publication number
US197519A
US197519A US197519DA US197519A US 197519 A US197519 A US 197519A US 197519D A US197519D A US 197519DA US 197519 A US197519 A US 197519A
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Prior art keywords
thread
stop
stretchers
motions
improvement
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Expired - Lifetime
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
    • B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S118/00—Coating apparatus
    • Y10S118/22—Wire and cord miscellaneous

Definitions

  • the invention is an automatic stopping device designed as an attachment to a machine for stretching silk thread.
  • the letters a 1) denote two conapulleys, rotating in the same direction, (denoted by the arrow,) being driven by the belt 0 running on the pulley d, actuating the intermediate gears c f g.
  • the pulleys which form the cones are not common flat-faced pulleys, but are grooved or fluted.
  • the silk h comes from a bobbin or the like stationed at A, runs around the smallest of the pulleys on cone a, thence on the under side to the corresponding pulley on cone b, comes up to the top of this last, and thence runs to the next larger pulley on cone a, and

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  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Description

J. N. LEONARD. Stop-Motion for Thread Stretohers. No. 197,519.
Patnted Nov. 27, 1877.
WITNESSES:
UNITED STATES PAT T OFFICE.
JOHN N. LEONARD, 0F WAREHOUSE -1 o1NT, CONNECTICUT, ASSIGNOR To THE LEONARD SILK COMPANY, 0E sAME PLACE.
IMPROVEMENT IN STOP-MOTIONS FOR THREAD-STRETCHERS.
Specification forming part of Letters Patent No. 197,519, dated November 27, 1877; application filed September 22, 1876.
To all whom it may concern:
Be it known that I, J OHN N. LEONARD, of Warehouse P0int,'in the county of Hartford and State of Connecticut, have invented certain new and useful Improvements pertaining to Stop-Motions for Thread-Stretchers, of which the following is a specification, reference being had to the accompanying drawings, where Figure l is a plan view, with a part of the top of the case broken away, so as to show interior. Fig. 2 is a side view.
The invention is an automatic stopping device designed as an attachment to a machine for stretching silk thread.
I will first describe the thread-stretching mechanism and then the automatic stop.
The letters a 1) denote two conapulleys, rotating in the same direction, (denoted by the arrow,) being driven by the belt 0 running on the pulley d, actuating the intermediate gears c f g. The pulleys which form the cones are not common flat-faced pulleys, but are grooved or fluted. The silk h comes from a bobbin or the like stationed at A, runs around the smallest of the pulleys on cone a, thence on the under side to the corresponding pulley on cone b, comes up to the top of this last, and thence runs to the next larger pulley on cone a, and
so on till it finally passes off the largest pulley on cone 1) to another bobbin or the like stationed at 'B. As the thread passes from one pulley to the next larger it is stretched a little,
" on ratchet-tooth m. As the silk passes from cone b the pivoted feeler n lies on it. If the thread breaks this feeler falls, and, striking the pivoted tripping-lever 0, causes it to raise the pawl land free it from its engagement with the tooth m, so that the idler rises, releasing the strain on the belt, and allows the pulley d, and consequently the cone-pulleys, to stop rotating. I
I claim as my invention- In combination, the pivoted lever j, armed with its idler, pawl Z, tripping-lever 0, and feeler n, all substantially as described, and for the purpose set forth.
1 JOHN N. LEONARD. Witnesses:
J. H. SnvroNns,
GEO. W. SCOTT.
US197519D Improvement in stop-motions for thread-stretchers Expired - Lifetime US197519A (en)

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US197519A true US197519A (en) 1877-11-27

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US197519D Expired - Lifetime US197519A (en) Improvement in stop-motions for thread-stretchers

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