US470282A - bolton - Google Patents

bolton Download PDF

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Publication number
US470282A
US470282A US470282DA US470282A US 470282 A US470282 A US 470282A US 470282D A US470282D A US 470282DA US 470282 A US470282 A US 470282A
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United States
Prior art keywords
arm
bolton
cam
groove
segment
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Expired - Lifetime
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    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B27/00—Work-feeding means
    • D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Description

(NolModel.) 2 Sheets-Sheet 1. J. BOLTON. FEBDING MEGHANISM POR SEWNG MACHINES.
Patented Mar. 8, 1892.
n if Il' (No Model.) 2 Sheets-Sheet 2.
J.B0L T0N. FEEDING MBGHANISM FOR SEWING MACHINES.
No. 470,282. Patented Mar. 8, 1892.
77 Z706 6668- Inman/:5071" @mw 30am?, www
man with Said rocker, the link h, Connecting the said rocker with the said rook-shaft F, and the feed-bai' jointed to an arm of the said rook-shaft F and having a stud entering the cam-groove of the said segment e.
3. In a sewingmmchine, the Combination, with the main slm-ft C, having the crank c, of the rockshafts E and F, pivoted below the work-plate, the former having the arm e and the cam-grooved arm or segment e and the latter having the arms f and f2, the pitman mill im n M l the feed-regulating lever having a pin-anilslot connection with said link h, and thefeedbm l, jointed to the said arm f2 and having,r a stud entering the cani-groove of the said arm o1' segment.
*4. In a sewing-machine, the combination, with a vertically-vibrating shuttle-carrying arm or segment provided with a cam-groove,
of a feed-bar having at one end a stud enten-m ing said cam-groove, and a rock-shaft to wh ich the other end of said food-bar is jointed
US470282D bolton Expired - Lifetime US470282A (en)

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US470282A true US470282A (en) 1892-03-08

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US470282D Expired - Lifetime US470282A (en) bolton

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