Abstract: An upper layer feed mechanism in a sewing machine is disclosed herein. The upper layer feed mechanism comprises a first interlocking arm secured at one end to a horizontal feed shaft, an upper layer feed shaft rotatably supported on the machine frame of a sewing machine and having a second interlocking arm, a connector rod connecting between the first and second interlocking arms, an adjusting mechanism adjusting the connection between the second interlocking arm and connector rod, a support arm rotatably supported at one end on the machine frame, an upper layer feed arm rotatably supported at one end on the support arm and having an upper layer feed dog at the other end, a connection mechanism transmitting the rocking movement of the upper feed shaft to the support arm, a resilient means normally urging the upper layer feed dog downwardly and a means urging the upper layer feed dog upwardly against the resiliency of the resilient means.

Abstract: A knitted or woven fabric in the form of a pliable sheet in fulled by having the fabric be conveyed in one direction, cooled to a temperature below the freezing point of water, impregnated with moisture and dried.

Abstract: An apparatus for fulling a knitted or woven fabric in the form of a pliable sheet includes a conveying device for conveying the fabric in one direction, a cooling device for cooling the fabric to a temperature below the freezing point, steam jet means for jetting steam against the fabric and a drying device for drying the fabric.

Abstract: An automatic sewing machine includes a sewing machine mechanism having a seam forming mechanism and a fabric feed mechanism. A detector member senses the position of each free side edge of two layers of fabric to be fed to the seam forming mechanism and generates signals. A pair of manipulators capable of engaging each layer of fabric individually move such each layer of fabric to a predetermined position in response to signals from the detector members. The free side edges of layers of fabric are automatically stitched together by a predetermined distance along the free side edges with the edges maintained in alignment with each other.

Abstract: A cloth guide mechanism in a sewing machine includes a member disposed at an angle with respect to a line normal to the pulling direction of cloth and provided with a slanted portion, a guide for receiving the cloth and having passages through which the cloth passes while being flexed, an adjustable cloth positioning element having a first positioning portion disposed at an angle with respect to the cloth pulling direction and a second portion disposed in parallel to the cloth pulling direction for maintaining the distance of a seam line to be formed in the cloth from one side edge of the cloth at a constant value, and an arrangement for imparting a tension on the cloth sufficient to reduce the force which urges the side edge against the first and second portions of the positioning means as the cloth is moved along the slanted portion of the first-mentioned means and to permit the cloth to move in the pulling direction.

Abstract: A typewriting device includes a type-carrying drum driven from a drive source and supporting types in rows parallel to the axis of the drum. A plurality of electromagnets are associated with the types in rows. A plurality of operation levers are disposed opposite to the magnets and are normally urged away from the magnets. A plurality of actuators are rockably mounted on respective of the operation levers. A plurality of hammer levers are mounted on a common shaft in association with respective of the operation levers for rocking movement about the shaft between the type-carrying drum and the actuators and are normally urged away from the type-carrying drum. The hammer levers are caused to contact the drum with a striking force upon operation of the actuators.

Abstract: A typewriting device has a type-carrying drum including a plurality of cylinders arranged in end-to-end relationship on the axis of the drum and each carrying a plurality of type elements arranged in spirals. A typewriting paper positioned adjacent to the drum is intermittently fed by feed means for intermittently feeding the paper tangent to the drum. A plurality of hammer members are positioned opposite to the cylinders of the drum for moving toward and away from the drum, the space between the hammers being the same as that between the spirally positioned type elements, and drive means for rotating and axially moving the type-carrying drum, whereby each time each type element passes by its associated hammer member, the hammer member is actuated to effect one typewriting operation on the paper and thereafter, the typewritten paper is intermittently fed.

Abstract: A typewriting device comprising a type-carrying drum continuously driven from a drive source, a ratchet wheel continuously driven from said drive source in synchronization with said drum and having a pawl thereon, at least one rocking lever pivoted to a shaft, at least one armature pivoted to said shaft, at least one electromagnet disposed adjacent to said armature adapted to be energized to attract said armature thereto, at least one operation lever supported on a second shaft for rotation about and movement vertically along said second shaft, and at least one hammer lever pivoted to a third shaft for striking said drum to effect a typewriting operation.

Abstract: A printing device is constituted by a common rotary printing drum having raised printing type faces; and a printing mechanism including a spring-loaded hammering member pivotal toward and away from the drum, a continuously driven pawled wheel, a spring-loaded rocking member pivotal between operative and inoperative positions, magnetic means for attracting and maintaining the rocking member to and in said inoperative position, a spring-loaded trigger hammer pivoted to the rocking member, an intermittently driven cam member opposed to the rocking member for engaging and disengaging from the rocking member and an engaging member opposed to the trigger hammer for engaging and disengaging from the trigger hammer.