A sewing machine includes a column, a bed, an arm, and an input interface. The column extends in an upper-lower direction. The bed extends in a first particular direction from the column at a position above a lower end of the column. A first direction includes the first particular direction and a first opposite direction opposite to each other. The first direction is perpendicular to the upper-lower direction. The arm extends in the first particular direction from the column at a position spaced upward from the bed. The input interface is arranged on a front plate. The front plate is a plate located at an end of the arm in the first particular direction. The input interface is an interface for operating the sewing machine.

A sewing machine includes a column, a bed, an arm, and an input interface. The column extends in an upper-lower direction. The bed extends in a first particular direction from the column at a position above a lower end of the column. A first direction includes the first particular direction and a first opposite direction opposite to each other. The first direction is perpendicular to the upper-lower direction. The arm extends in the first particular direction from the column at a position spaced upward from the bed. The input interface is arranged on a front plate. The front plate is a plate located at an end of the arm in the first particular direction. The input interface is an interface for operating the sewing machine.

A sewing machine equipped with a needle threading device, includes: a needle bar supporting frame body on which there is mounted a needle bar that is mounted with a needle having a needle hole; a needle threading shaft that is disposed on the needle bar supporting frame body and is supported vertically movably and also turnably in a peripheral direction; a thread pressing part and a thread holding tool that are provided at a lower end of the needle threading shaft and that hold in a tensioned state a thread opposite the needle hole; and a needle threading tool that is provided at a lower end of the needle threading shaft and that has a hook which reciprocates through the needle hole to pass the thread through the needle hole, wherein the thread holding tool comprises a thread holding surface part that guides and holds the thread.

A sewing machine equipped with a needle threading device, includes: a needle bar supporting frame body on which there is mounted a needle bar that is mounted with a needle having a needle hole; a needle threading shaft that is disposed on the needle bar supporting frame body and is supported vertically movably and also turnably in a peripheral direction; a thread pressing part and a thread holding tool that are provided at a lower end of the needle threading shaft and that hold in a tensioned state a thread opposite the needle hole; and a needle threading tool that is provided at a lower end of the needle threading shaft and that has a hook which reciprocates through the needle hole to pass the thread through the needle hole, wherein the thread holding tool comprises a thread holding surface part that guides and holds the thread.

In an overlock sewing machine, a main shaft fixing operating shaft is provided with a differentiation ring that can be swung in a predetermined range such that, when the rotation of a main shaft is to be enabled, it is set to an enable state in a stationary state, and when the rotation of the main shaft is disabled, it is swung and shifted from the enable position. Furthermore, a looper cover open/closed detection configuration is configured by modifying a part of a typical known configuration. Such an arrangement provides an overlock sewing machine having a simple configuration that requires only a single micro switch to detect the switching between the threading mode and the sewing mode and to detect the open/closed state of the looper cover.

In an overlock sewing machine, a main shaft fixing operating shaft is provided with a differentiation ring that can be swung in a predetermined range such that, when the rotation of a main shaft is to be enabled, it is set to an enable state in a stationary state, and when the rotation of the main shaft is disabled, it is swung and shifted from the enable position. Furthermore, a looper cover open/closed detection configuration is configured by modifying a part of a typical known configuration. Such an arrangement provides an overlock sewing machine having a simple configuration that requires only a single micro switch to detect the switching between the threading mode and the sewing mode and to detect the open/closed state of the looper cover.

A sewing machine equipped with a needle threading device, includes: a needle bar supporting frame body on which there is mounted a needle bar that is mounted with a needle having a needle hole; a needle threading shaft that is disposed on the needle bar supporting frame body and is supported vertically movably and also turnably in a peripheral direction; a thread pressing part and a thread holding tool that are provided at a lower end of the needle threading shaft and that hold in a tensioned state a thread opposite the needle hole; and a needle threading tool that is provided at a lower end of the needle threading shaft and that has a hook which reciprocates through the needle hole to pass the thread through the needle hole, wherein the thread holding tool comprises a thread holding surface part that guides and holds the thread.

A sewing machine equipped with a needle threading device, includes: a needle bar supporting frame body on which there is mounted a needle bar that is mounted with a needle having a needle hole; a needle threading shaft that is disposed on the needle bar supporting frame body and is supported vertically movably and also turnably in a peripheral direction; a thread pressing part and a thread holding tool that are provided at a lower end of the needle threading shaft and that hold in a tensioned state a thread opposite the needle hole; and a needle threading tool that is provided at a lower end of the needle threading shaft and that has a hook which reciprocates through the needle hole to pass the thread through the needle hole, wherein the thread holding tool comprises a thread holding surface part that guides and holds the thread.

A sewing machine includes a threading mechanism, a holding member, and a movement mechanism. The threading mechanism is configured to move a hook between a standby position and an operative position. The holding member includes a cutting blade and a clamping portion. The cutting blade is configured to cut an upper thread. The clamping portion is configured to clamp and hold a thread end of the cut upper thread. The movement mechanism is configured to move the holding member to a first position and a second position. The first direction is a direction from the standby position to the operative position. The second position is a position on a second direction side with respect to the first position. The second direction is a direction opposite to the first direction.

A sewing machine includes a threading mechanism, a holding member, and a movement mechanism. The threading mechanism is configured to move a hook between a standby position and an operative position. The holding member includes a cutting blade and a clamping portion. The cutting blade is configured to cut an upper thread. The clamping portion is configured to clamp and hold a thread end of the cut upper thread. The movement mechanism is configured to move the holding member to a first position and a second position. The first direction is a direction from the standby position to the operative position. The second position is a position on a second direction side with respect to the first position. The second direction is a direction opposite to the first direction.