The Sewing Machine: Its History, Construction, and ApplicationE. & F.N. Spon, 1864 - 112 pages |
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Page 23
... difference between the stitch formed in this manner , and that formed by the reciprocating hook . 2. THE DOUBLE - THREAD CHAIN STITCH . The hook which catches the loop on the ascent of the needle is in this case also intended to carry a ...
... difference between the stitch formed in this manner , and that formed by the reciprocating hook . 2. THE DOUBLE - THREAD CHAIN STITCH . The hook which catches the loop on the ascent of the needle is in this case also intended to carry a ...
Page 38
... difference in the circumference of the thread when the spool is full and nearly empty . The spool is therefore generally made broader towards its axis , having generally 2 " " as its greatest breadth , and the axis itself varies from to ...
... difference in the circumference of the thread when the spool is full and nearly empty . The spool is therefore generally made broader towards its axis , having generally 2 " " as its greatest breadth , and the axis itself varies from to ...
Page 63
... difference between the diameter of the roughened periphery and that of the projecting flange , as any irregularity in the working of the break would affect the length of the stitch propor- tionately to the difference between their ...
... difference between the diameter of the roughened periphery and that of the projecting flange , as any irregularity in the working of the break would affect the length of the stitch propor- tionately to the difference between their ...
Page 79
... difference of which , MN , is equal to the rise of the needle carrier . N also represents the shortest distance of the circle , being the middle line of the slot from the centre of the eccentric disc . Let , then , r be the radius of ...
... difference of which , MN , is equal to the rise of the needle carrier . N also represents the shortest distance of the circle , being the middle line of the slot from the centre of the eccentric disc . Let , then , r be the radius of ...
Page 80
... difference . = This The dimensions of this eccentric have therefore to be determined , for which purpose the distance of the move- ment of the looper must be first ascertained . distance may be divided into three ; the first the ...
... difference . = This The dimensions of this eccentric have therefore to be determined , for which purpose the distance of the move- ment of the looper must be first ascertained . distance may be divided into three ; the first the ...
Autres éditions - Tout afficher
The Sewing Machine: Its History, Construction, and Application (1864) Rudolph Herzberg Aucun aperçu disponible - 2014 |
The Sewing MacHine: Its History, Construction, and Application (1864) Rudolph Herzberg Aucun aperçu disponible - 2008 |
The Sewing Machine: Its History, Construction, and Application, Tr. by U ... Rudolph Herzberg Aucun aperçu disponible - 2015 |
Expressions et termes fréquents
affixed allow angle arc of oscillation ARTHUR PHILLIPS ascent axis bobbin bracket catches the loop caught centre chain-stitch machine chord cloth commences connecting rod connecting-rod constructed crank curve cylinder deepest point descent descent passed described diameter direction disc distance double-thread chain-stitch driver eccentric groove edge employed Engineers F. N. SPON feed eccentric feed motion feeder flange formation formed friction fulcrum Grover and Baker hinder end hollow hook latter length looper point lower end lower mechanism lower side lower thread main shaft lies material motion is transmitted needle carrier needle hole needle lever needle-carrier needle-hole oscillation and motion parallel passing piece plane of oscillation Plate II Plate VII position quilting-stitch radius return motion rise roughened round set screw sewing plate sewing-plate sewn shown in Fig shuttle point single-thread chain-stitch spindle spiral spring spool steel stud surface tension apparatus thickness tion treadle universal joint upper thread Walter Hunt wheel Zerah Colburn