Apparatus for joining together two pieces of work fabric or similar materials

Claim 1

An apparatus for joining together a first pouch-shaped piece of work fabric or similar materials having a pair of lips forming an opening such as a cuff and a second piece of work fabric or similar materials such as a sleeve comprising: a first working assembly for setting said first piece, said assembly being provided with means for expanding the lips of the opening of said first piece; a second working assembly divided into two components to set said second piece, one of said components having holding means for setting one end of said second piece thereon and the other component having holding means for setting the other end of said piece; means for urging said two divided components near to or apart from each other; means for moving at least one of said first and second working assemblies to insert the joining edge of said second piece into the opening of said first piece, said two divided components being adapted to make the joining edge of said second piece narrower than said first piece when the joining edge of said second piece is inserted into the opening of said first piece and expand said joining edge in the opening of said first piece after said insertion; and means for joining together the overlapped portions of said first and second pieces.

Claim 2

An apparatus for joining together a first pouch-shaped piece of work fabric or similar materials having a pair of lips forming an opening such as a cuff and a second piece of work fabric or similar materials such as a sleeve comprising: a first working assembly for setting said first piece, said assembly being provided with means for expanding the lips of the opening of said first piece; a second working assembly divided into two components to set said second piece, one of said components having holding means for setting one end of said second piece thereon and the other component having holding means for setting the other end of said piece; means for urging said two divided components near to or apart from each other; means for moving at least one of said first and second working assemblies to insert the joining edge of said second piece into the opening of said first piece, said two divided components being adapted to make the joining edge of said second piece narrower than said first piece when the joining edge of said second piece is inserted into the opening of said first piece and expand said joining edge in the opening of said first piece after said insertion; and means for joining together the overlapped portions of said first and second pieces.

Claim 4

An apparatus for joining together first and second pieces of work fabric or similar materials at their edges comprising: a. a first working assembly for setting one of said two pieces thereon; b. a second working assembly for setting the other of said two pieces thereon; c. means for moving at least one of said first and second working assemblies so as to overlap the edges of said two pieces; d. means for joining together the overlapped portions of said two pieces; and, e. means for making the joining edge of said second piece narrower than said first piece when the joining edge of said second piece is overlapped over said first piece and expand said joining edge after said overlapping.

Claim 5

An apparatus for joining together first and second pieces of work fabric or similar materials at their edges comprising: a. a first working assembly for setting one of said two pieces thereon; b. a second working assembly for setting the other of said two pieces thereon; c. means for moving at least one of said first and second working assemblies so as to overlap the edges of said two pieces; d. means for joining together the overlapped portions of said two pieces; and, e. means for making the joining edge of said second piece narrower than said first piece when the joining edge of said second piece is overlapped over said first piece and expand said joining edge after said overlapping.

Claim 8

An apparatus for joining together first and second pieces of work fabric or similar materials at their edges comprising: a. a first working assembly for setting thereon one of said two pieces; b. a second working assembly for setting thereon the other of said two pieces; c. means for moving at least one of said first and second working assemblies, to overlap the joining edges of said two pieces; d. means worked by an operator to start the operation of said moving means; e. means for joining together the overlapped portions of said two pieces; f. means for conducting the relative movement of said working assemblies and joining means along said overlapped portions; g. means responsive to the overlapping of said two pieces for effecting the automatic operation of said relative movement actuating means so as to join together said two pieces; and, h. means for making the joining edge of said second piece narrower than said first piece when the joining edge of said second piece is overlapped over said first piece and expand said joining edge after said overlapping.

Claim 9

An apparatus for joining together first and second pieces of work fabric or similar materials at their edges comprising: a. a first working assembly for setting thereon one of said two pieces; b. a second working assembly for setting thereon the other of said two pieces; c. means for moving at least one of said first and second working assemblies, to overlap the joining edges of said two pieces; d. means worked by an operator to start the operation of said moving means; e. means for joining together the overlapped portions of said two pieces; f. means for conducting the relative movement of said working assemblies and joining means along said overlapped portions; g. means responsive to the overlapping of said two pieces for effecting the automatic operation of said relative movement actuating means so as to join together said two pieces; and, h. means for making the joining edge of said second piece narrower than said first piece when the joining edge of said second piece is overlapped over said first piece and expand said joining edge after said overlapping.

Claim 12

An apparatus for joining together first and second pieces of work fabric or similar materials at their edges, the first piece being shaped like a cuff and the second piece being shaped like a sleeve, comprising: a. a table; b. a machine frame mounted on said table; c. a main shaft rotatably fitted to said frame; d. means for driving said main shaft; e. stitch forming means including a reciprocable needle connected with said main shaft; f. a drive shaft rotatable supported by said frame; g. power transmitting means provided between said drive shaft and main shaft; h. a first cylindrical working assembly connected to said drive shaft for the setting thereon of one of said two pieces; i. a movable support base so disposed as to face said first working assembly; j. a second working assembly rotatably fitted to said support base so as to rotate coaxially with said drive shaft, said second working assembly having a round supporting surface for receiving thereon the other of said two pieces whose surface has the same radius as the supporting surface of said first working assembly; k. means for urging said support base with said second working assembly so as to overlap the joining edges of the second of said two pieces into the first of said two pieces; l. means disposed between said first and second working assemblies for their connection so as to jointly rotate said two pieces when they are overlapped by the movement of said second working assembly, thereby causing said first and second working assemblies to be jointly rotated by the operation of said drive means and in consequence the overlapped portions of said two pieces to be sewn together by said stitch forming means; and, m. means for making the joining edge of said second piece narrower than said first piece when the joining edge of said second piece is inserted into the opening of said first piece and expand said joining edge in the opening of said first piece after said insertion.

Claim 13

An apparatus for joining together first and second pieces of work fabric or similar materials at their edges, the first piece being shaped like a cuff and the second piece being shaped like a sleeve, comprising: a. a table; b. a machine frame mounted on said table; c. a main shaft rotatably fitted to said frame; d. means for driving said main shaft; e. stitch forming means including a reciprocable needle connected with said main shaft; f. a drive shaft rotatable supported by said frame; g. power transmitting means provided between said drive shaft and main shaft; h. a first cylindrical working assembly connected to said drive shaft for the setting thereon of one of said two pieces; i. a movable support base so disposed as to face said first working assembly; j. a second working assembly rotatably fitted to said support base so as to rotate coaxially with said drive shaft, said second working assembly having a round supporting surface for receiving thereon the other of said two pieces whose surface has the same radius as the supporting surface of said first working assembly; k. means for urging said support base with said second working assembly so as to overlap the joining edges of the second of said two pieces into the first of said two pieces; l. means disposed between said first and second working assemblies for their connection so as to jointly rotate said two pieces when they are overlapped by the movement of said second working assembly, thereby causing said first and second working assemblies to be jointly rotated by the operation of said drive means and in consequence the overlapped portions of said two pieces to be sewn together by said stitch forming means; and, m. means for making the joining edge of said second piece narrower than said first piece when the joining edge of said second piece is inserted into the opening of said first piece and expand said joining edge in the opening of said first piece after said insertion.

Claim 15

An apparatus for joining together a first pouch-shaped piece of work fabric or similar materials having upper and lower lips forming an opening such as a cuff and a second piece of work fabric or similar materials such as a sleeve end comprising: a. a first working assembly for setting said first piece and lower lip thereon, said assembly being provided with means for expanding the upper and lower lips of said first pouched shaped piece; b. a second working assembly for setting said second piece thereon; d. means for moving at least one of said first and second assemblies to insert the joining edge of said second piece in the expanded opening of said first pouched-shaped piece between said lips; d. means for joining together the overlapped portions of said first and second pieces; and, e. means for making the joining edge of said second piece narrower than said first piece when the joining edge of said second is inserted into the opening of said first piece and expand said joining edge in the opening of said first piece after said insertion.

Claim 16

An apparatus for joining together a first pouch-shaped piece of work fabric or similar materials having upper and lower lips forming an opening such as a cuff and a second piece of work fabric or similar materials such as a sleeve end comprising: a. a first working assembly for setting said first piece and lower lip thereon, said assembly being provided with means for expanding the upper and lower lips of said first pouched shaped piece; b. a second working assembly for setting said second piece thereon; d. means for moving at least one of said first and second assemblies to insert the joining edge of said second piece in the expanded opening of said first pouched-shaped piece between said lips; d. means for joining together the overlapped portions of said first and second pieces; and, e. means for making the joining edge of said second piece narrower than said first piece when the joining edge of said second is inserted into the opening of said first piece and expand said joining edge in the opening of said first piece after said insertion.

Claim 21

An apparatus for joining together a first pouched-shaped piece of work fabric or similar materials having a pair of lips forming an opening such as a cuff and a second piece of work fabric or similar materials such as a sleeve comprising: a. a first working assembly; b. a first holding device mounted on said first working assembly to set said first piece thereon; c. means mounted in said first working assembly to expand the lips of the opening of said first piece; d. a second working assembly; e. a second holding device mounted on said second working assembly to set said second piece; f. first means for moving at least one of said first and second working assemblies to insert the joining edges of said second piece into the opening of said first piece; g. a guide plate movably fitted to said second working assembly to introduce the joining edge of said piece into the opening of said first piece; h. second means for moving said guide plate toward said second working assembly, and inserting said guide plate into opening of said first piece by the action of said first moving means together with said second piece set on said guide plate, means facilitating the drawing out said guide plate from the opening of said first piece with the overlapped portions of said first and second pieces pressed against said first working assembly by said first holding means; i. means for joining together the overlapped portions of said first and second pieces; and, j. means for making the joining edge of said second piece narrower than said first piece when the joining edge of said second piece is inserted into the opening of said first piece and expand said joining edge in the opening of said first piece after said insertion.

Claim 22

An apparatus for joining together a first pouched-shaped piece of work fabric or similar materials having a pair of lips forming an opening such as a cuff and a second piece of work fabric or similar materials such as a sleeve comprising: a. a first working assembly; b. a first holding device mounted on said first working assembly to set said first piece thereon; c. means mounted in said first working assembly to expand the lips of the opening of said first piece; d. a second working assembly; e. a second holding device mounted on said second working assembly to set said second piece; f. first means for moving at least one of said first and second working assemblies to insert the joining edges of said second piece into the opening of said first piece; g. a guide plate movably fitted to said second working assembly to introduce the joining edge of said piece into the opening of said first piece; h. second means for moving said guide plate toward said second working assembly, and inserting said guide plate into opening of said first piece by the action of said first moving means together with said second piece set on said guide plate, means facilitating the drawing out said guide plate from the opening of said first piece with the overlapped portions of said first and second pieces pressed against said first working assembly by said first holding means; i. means for joining together the overlapped portions of said first and second pieces; and, j. means for making the joining edge of said second piece narrower than said first piece when the joining edge of said second piece is inserted into the opening of said first piece and expand said joining edge in the opening of said first piece after said insertion.

Claim 24

An apparatus for joining together a first pouched-shaped piece of work fabric or similar materials having a pair of lips forming an opening such as a cuff and a second piece of work fabric or similar materials such as a sleeve comprising: a. a machine frame; b. a main shaft rotatably mounted on said frame; c. stitch forming means including a reciprocable needle drivingly connected with said main shaft; d. a drive shaft mounted on said frame for rotation about an axis in parallel with the axis of said main shaft, e. a first cylindrical support secured to said drive shaft for supporting said first piece thereon; f. expanding means movably mounted on said first cylindrical support for expanding the lips of the opening of said first piece set on said first support; g. power transmitting means provided between said drive shaft and said main shaft for rotating said first cylindrical support according to the rotation of said main shaft; h. a base movably supported on said frame in the direction of the axis of said drive shaft; i. two divided second supports rotatably supported on said base coaxially with said drive shaft and having a round supporting-surface for said second piece whose surface has the same radius as the supporting surface of said first cylindrical support, one of said second supports having holding means for setting one end of said second piece thereon and the other of said second supports having holding means for setting the other end of said second piece; j. means for urging said two divided second supports near to or apart from each other, said urging means being adapted to make the joining edge of said first pouched-shape piece narrower when the joining edge of said second piece is inserted into the opening of said first piece and then expand said joining edge; k. actuating means provided between said base and said frame for moving said second supports through said base toward said first support to insert the joining edge of said second piece into the opening of said first pouched-shaped piece; l. connecting means provided between said first and second supports for connecting the same with each other for joint rotation when said second supports have been moved by saId actuating means; m. holding means movably mounted on said first support for pressing the overlapped portion of said first and second pieces against said first support, so that the overlapped portion of said first and second pieces is sewn by said stitch forming means according to the rotation of said first and second supports.

Claim 25

An apparatus for joining together a first pouched-shaped piece of work fabric or similar materials having a pair of lips forming an opening such as a cuff and a second piece of work fabric or similar materials such as a sleeve comprising: a. a machine frame; b. a main shaft rotatably mounted on said frame; c. stitch forming means including a reciprocable needle drivingly connected with said main shaft; d. a drive shaft mounted on said frame for rotation about an axis in parallel with the axis of said main shaft, e. a first cylindrical support secured to said drive shaft for supporting said first piece thereon; f. expanding means movably mounted on said first cylindrical support for expanding the lips of the opening of said first piece set on said first support; g. power transmitting means provided between said drive shaft and said main shaft for rotating said first cylindrical support according to the rotation of said main shaft; h. a base movably supported on said frame in the direction of the axis of said drive shaft; i. two divided second supports rotatably supported on said base coaxially with said drive shaft and having a round supporting-surface for said second piece whose surface has the same radius as the supporting surface of said first cylindrical support, one of said second supports having holding means for setting one end of said second piece thereon and the other of said second supports having holding means for setting the other end of said second piece; j. means for urging said two divided second supports near to or apart from each other, said urging means being adapted to make the joining edge of said first pouched-shape piece narrower when the joining edge of said second piece is inserted into the opening of said first piece and then expand said joining edge; k. actuating means provided between said base and said frame for moving said second supports through said base toward said first support to insert the joining edge of said second piece into the opening of said first pouched-shaped piece; l. connecting means provided between said first and second supports for connecting the same with each other for joint rotation when said second supports have been moved by saId actuating means; m. holding means movably mounted on said first support for pressing the overlapped portion of said first and second pieces against said first support, so that the overlapped portion of said first and second pieces is sewn by said stitch forming means according to the rotation of said first and second supports.