Ornamental zigzag stitch sewing machine

Claim 2

An ornamental zigzag stitch sewing machine comprising a. a hollow frame, b. longitudinally reciprocable and laterally movable needle bar means carried by said frame, c. a movable feed dog mounted for co-operation with said needle bar means, d. a drive shaft within said frame, e. at least one zigzag pattern cam drivingly connected with said drive shaft for imparting lateral movement to said needle bar means according to a predetermined pattern, f. first adjustable linkage means operatively interconnected between said zigzag pattern cam and needle bar means, g. at least one feed controlling cam drivingly connected with said drive shaft for controlling the length and direction of the feed movement imparted to the feed dog according to a predetermined pattern, h. second adjustable linkage means operatively interconnected between said feed controlling cam and said feed dog, i. single manually operable setting means operatively connected with said first and second adjustable linkage means for adjusting the same simultaneously so as to proportionally vary the width of lateral movement imparted to the needle bar means and the length of feed movement imparted to the feed dog, j. whereby upon the operation of said single manually setting means, ornamental patterns are produced in various sizes similar to the basic pattern.

Claim 3

An ornamental zigzag stitch sewing machine comprising a. a hollow frame, b. longitudinally reciprocable and laterally movable needle bar means carried by said frame, c. a movable feed dog mounted for co-operation with said needle bar means, d. a drive shaft within said frame, e. at least one zigzag pattern cam drivingly connected with said drive shaft for imparting the lateral movement to said needle bar meaNs according to a predetermined pattern, f. first adjustable motion transmitting means operatively interconnected between said zigzag pattern cam and said needle bar means, g. motion imparting means operatively interconnected between said drive shaft and said feed dog for imparting feed movement to the feed dog, h. adjusting means for said motion imparting means to vary the length and direction of the feed movement of the feed dog, i. at least one feed controlling cam drivingly connected with said drive shaft for controlling the feed movement of the feed dog according to a predetermined pattern, j. second adjustable motion transmitting means operatively interconnected between said feed controlling cam and said adjusting means, k. single manually operable setting means operatively connected with said first and second adjustable motion transmitting means for adjusting the same simultaneously so as to proportionally vary the width of lateral movement imparted to the needle bar means and the length of feed movement imparted to the feed dog, l. whereby upon the operation of said single manually setting means, ornamental zigzag patterns are produced in various sizes similar to the basic pattern.

Claim 4

An ornamental zigzag stitch sewing machine comprising a. a hollow frame, b. longitudinally reciprocable and laterally movable needle bar means carried by said frame, c. a movable feed dog mounted for co-operation with said needle bar means, d. a drive shaft within said frame, e. at least one zigzag pattern cam drivingly connected with said drive shaft for imparting the lateral movement to said needle bar meaNs according to a predetermined pattern, f. first adjustable motion transmitting means operatively interconnected between said zigzag pattern cam and said needle bar means, g. motion imparting means operatively interconnected between said drive shaft and said feed dog for imparting feed movement to the feed dog, h. adjusting means for said motion imparting means to vary the length and direction of the feed movement of the feed dog, i. at least one feed controlling cam drivingly connected with said drive shaft for controlling the feed movement of the feed dog according to a predetermined pattern, j. second adjustable motion transmitting means operatively interconnected between said feed controlling cam and said adjusting means, k. single manually operable setting means operatively connected with said first and second adjustable motion transmitting means for adjusting the same simultaneously so as to proportionally vary the width of lateral movement imparted to the needle bar means and the length of feed movement imparted to the feed dog, l. whereby upon the operation of said single manually setting means, ornamental zigzag patterns are produced in various sizes similar to the basic pattern.

Claim 5

An ornamental zigzag stitch sewing machine comprising a. a hollow frame, b. longitudinally reciprocable and laterally movable needle bar means carried by said frame, c. a movable feed dog mounted for co-operation with said needle bar means, d. a drive shaft within said frame, e. at least one zigzag pattern cam drivingly connected with said drive shaft for imparting the lateral movement to said needle bar means according to a predetermined pattern, f. first adjustable linkage means operatively interconnected between said zigzag pattern cam and needle bar means, g. at least one feed controlling cam drivingly connected with said drive shaft for controlling the length and direction of the feed movement imparted to the feed dog according to a predetermined pattern, h. second adjustable linkage means operatively interconnected between said feed controlling cam and feed dog, i. adjusting means for each of said both adjustable linkage means, j. individual manually operable means for imparting adjusting movement to each of said adjusting means, k. and additional adjusting movement imparting means operable by one of said manually operable means and mechanically connected to said first and second adjustable linkage means for adjusting the same simultaneously so as to proportionally very the width of lateral movement imparted to the needle bar means and the length of feed movement imparted to the feed dog, l. whereby upon the operation of said one manually operable means, ornamental zigzag patterns are produced in various sizes similar to the basic pattern.

Claim 6

An ornamental zigzag stitch sewing machine comprising a. a hollow frame, b. longitudinally reciprocable and laterally movable needle bar means carried by said frame, c. a movable feed dog mounted for co-operation with said needle bar means, d. a drive shaft within said frame, e. at least one zigzag pattern cam drivingly connected with said drive shaft for imparting the lateral movement to said needle bar means according to a predetermined pattern, f. first adjustable linkage means operatively interconnected between said zigzag pattern cam and needle bar means, g. at least one feed controlling cam drivingly connected with said drive shaft for controlling the length and direction of the feed movement imparted to the feed dog according to a predetermined pattern, h. second adjustable linkage means operatively interconnected between said feed controlling cam and feed dog, i. adjusting means for each of said both adjustable linkage means, j. individual manually operable means for imparting adjusting movement to each of said adjusting means, k. and additional adjusting movement imparting means operable by one of said manually operable means and mechanically connected to said first and second adjustable linkage means for adjusting the same simultaneously so as to proportionally very the width of lateral movement imparted to the needle bar means and the length of feed movement imparted to the feed dog, l. whereby upon the operation of said one manually operable means, ornamental zigzag patterns are produced in various sizes similar to the basic pattern.

Claim 7

An ornamental zigzag stitch sewing machine as defined in claim 3, including means for selectively coupling said one manually operable means to said first and second adjustable linkage means for joint movement thereof by operation of said one manually operable means and disconnecting said coupling to permit individual operation of said both adjusting means by said individual manually operable means.

Claim 8

An ornamental zigzag stitch sewing machine comprising a. a hollow frame, b. longitudinally reciprocable and laterally movable needle bar means carried by said frame, c. a movable feed dog mounted for co-operation with said needle bar means, d. drive shaft within said frame, e. at least one zigzag pattern cam drivingly connected with said drive shaft for imparting lateral movement to said needle bar means according to a predetermined pattern, f. first adjustable motion transmitting means operatively interconnected between said zigzag pattern cam and said needle bar means, g. first adjusting means mounted in said first adjustable motion transmitting means for adjusting the amplitude of lateral movement of Said needle bar means, h. first manually operable means for said first adjusting means, i. motion imparting means operatively interconnected between said drive shaft and said feed dog for imparting feed movement to the feed dog, j. second adjusting means for said motion imparting means operatively to vary the length and direction of feed movement of the feed dog, k. at least one feed controlling cam drivingly connected with said drive shaft for controlling the feed movement of the feed dog according to a predetermined pattern, l. second adjustable motion transmitting means operatively interconnected between said feed controlling cam and said second control means, m. second manually operable means operable exteriorly of the frame and engageable with said second adjusting means for moving the same, n. and additional adjusting movement imparting means for connecting said second manually operable means to said first adjusting means and said second adjustable motion transmitting means and effective upon movement to certain positions of said second manual operable means to impart setting movement to said second adjusting means only and upon movement to other positions to impart joint adjusting movement to said first adjusting means and second adjusting movement transmitting means, o. whereby upon movement to said other positions of said second manually operable means, proportional ornamental zigzag patterns are produced in various sizes similar to the basic pattern.

Claim 9

An ornamental zigzag stitch sewing machine comprising a. a hollow frame, b. longitudinally reciprocable and laterally movable needle bar means carried by said frame, c. a movable feed dog mounted for co-operation with said needle bar means, d. drive shaft within said frame, e. at least one zigzag pattern cam drivingly connected with said drive shaft for imparting lateral movement to said needle bar means according to a predetermined pattern, f. first adjustable motion transmitting means operatively interconnected between said zigzag pattern cam and said needle bar means, g. first adjusting means mounted in said first adjustable motion transmitting means for adjusting the amplitude of lateral movement of Said needle bar means, h. first manually operable means for said first adjusting means, i. motion imparting means operatively interconnected between said drive shaft and said feed dog for imparting feed movement to the feed dog, j. second adjusting means for said motion imparting means operatively to vary the length and direction of feed movement of the feed dog, k. at least one feed controlling cam drivingly connected with said drive shaft for controlling the feed movement of the feed dog according to a predetermined pattern, l. second adjustable motion transmitting means operatively interconnected between said feed controlling cam and said second control means, m. second manually operable means operable exteriorly of the frame and engageable with said second adjusting means for moving the same, n. and additional adjusting movement imparting means for connecting said second manually operable means to said first adjusting means and said second adjustable motion transmitting means and effective upon movement to certain positions of said second manual operable means to impart setting movement to said second adjusting means only and upon movement to other positions to impart joint adjusting movement to said first adjusting means and second adjusting movement transmitting means, o. whereby upon movement to said other positions of said second manually operable means, proportional ornamental zigzag patterns are produced in various sizes similar to the basic pattern.

Claim 10

An ornamental zigzag stitch sewing machine as defined in claim 5, said additional adjusting movement imparting means including a pair of setting cams operable by said second manually operable means and a pair of cam follower for the setting cams operatively and respectively associated with said first adjusting means and said second adjustable motion transmitting means.

Claim 11

An ornamental zigzag stitch sewing machine comprising a. a hollow frame, b. longitudinally reciprocable and laterally movable needle bar means carried by said frame, c. a movable feed dog mounted for co-operation with said needle bar means, d. drive shaft within said frame, e. at least one zigzag pattern cam drivingly connected with said drive shaft for imparting the lateral movement to said needle bar means according to a predetermined pattern, f. first adjustable motion transmitting means operatively interconnected between said zigzag pattern cam and said needle bar means, g. first adjusting means for said first adjustable motion transmitting means for controlling the amplitude of the lateral movement of said needle bar means, h. first manually operable means for said first adjusting means, i. motion imparting means operatively interconnected between said drive shaft and said feed dog for imparting feed movement to the feed dog, j. second adjusting means for said motion imparting means operatively to vary the amplitude and direction of feed movement of the feed dog, k. second manually operable means operable exteriorly of the frame and engageable with said adjusting means for moving the same, l. at least one feed controlling cam drivingly connected with said drive shaft for controlling the feed movement of the feed dog according to a predetermine pattern, m. second adjustable motion transmitting means operatively interconnected between said feed controlling cam and said second adjusting means, n. setting cam means operable by said first manually operable means, o. and cam follower means for said setting cam means operatively connected with said second adjustable motion transmitting means, p. whereby said first adjusting means and said second adjustable transmitting means are simultaneously adjusted by operation of said first manually operable means, ornamental zigzag patterns are produced in various sizes similar to the basic pattern.

Claim 12

An ornamental zigzag stitch sewing machine comprising a. a hollow frame, b. longitudinally reciprocable and laterally movable needle bar means carried by said frame, c. a movable feed dog mounted for co-operation with said needle bar means, d. drive shaft within said frame, e. at least one zigzag pattern cam drivingly connected with said drive shaft for imparting the lateral movement to said needle bar means according to a predetermined pattern, f. first adjustable motion transmitting means operatively interconnected between said zigzag pattern cam and said needle bar means, g. first adjusting means for said first adjustable motion transmitting means for controlling the amplitude of the lateral movement of said needle bar means, h. first manually operable means for said first adjusting means, i. motion imparting means operatively interconnected between said drive shaft and said feed dog for imparting feed movement to the feed dog, j. second adjusting means for said motion imparting means operatively to vary the amplitude and direction of feed movement of the feed dog, k. second manually operable means operable exteriorly of the frame and engageable with said adjusting means for moving the same, l. at least one feed controlling cam drivingly connected with said drive shaft for controlling the feed movement of the feed dog according to a predetermine pattern, m. second adjustable motion transmitting means operatively interconnected between said feed controlling cam and said second adjusting means, n. setting cam means operable by said first manually operable means, o. and cam follower means for said setting cam means operatively connected with said second adjustable motion transmitting means, p. whereby said first adjusting means and said second adjustable transmitting means are simultaneously adjusted by operation of said first manually operable means, ornamental zigzag patterns are produced in various sizes similar to the basic pattern.

Claim 13

An ornamental zigzag stitch sewing machine as defined in claim 7, includiNg means for disengaging said cam follower means from said setting cam means upon movement to certain positions of said second manual operable means to impart setting movement to said first adjusting means only and for engaging said cam follower means to said setting cam means upon movement to other positions of said second manual operable means to impart adjusting movement to said first adjusting means and second adjusting movement transmitting means.