Abstract: A recoil starter includes: a starter case provided with a reel support shaft; and a ratchet guide rotatably attached to the reel support shaft in a state in which a frictional resistance is applied. The ratchet guide includes: a through hole into which the reel support shaft is insertable; and a locking portion configured to be engaged with the reel support shaft on an inner periphery of the through hole. A movement of the ratchet guide in an axial direction of the reel support shaft is restricted in a state in which the locking portion is engaged with the reel support shaft.

Abstract: There is provided a rope reel provided in a recoil starter including: a rope holding groove; a flange portion disposed on both sides of the rope holding groove; a through hole provided in the flange portion and configured to allow an end of the rope wound around the rope holding groove to pass through; and an arch portion provided on a side surface of the rope reel and adjacent to the through hole. The arch portion is configured such that the rope is inserted therein, and the arch portion is capable of holding the inserted rope along the side surface of the rope reel. According to the above configuration, a front end portion of the rope is prevented from interfering with a rotation member at an engine side.

Abstract: A recoil starter includes: a starter case provided with a reel support shaft; and a ratchet guide rotatably attached to the reel support shaft in a state in which a frictional resistance is applied. The ratchet guide includes: a through hole into which the reel support shaft is insertable; and a locking portion configured to be engaged with the reel support shaft on an inner periphery of the through hole. A movement of the ratchet guide in an axial direction of the reel support shaft is restricted in a state in which the locking portion is engaged with the reel support shaft.

Abstract: There is provided a rope reel provided in a recoil starter including: a rope holding groove; a flange portion disposed on both sides of the rope holding groove; a through hole provided in the flange portion and configured to allow an end of the rope wound around the rope holding groove to pass through; and an arch portion provided on a side surface of the rope reel and adjacent to the through hole. The arch portion is configured such that the rope is inserted therein, and the arch portion is capable of holding the inserted rope along the side surface of the rope reel. According to the above configuration, a front end portion of the rope is prevented from interfering with a rotation member at an engine side.

Abstract: According to one embodiment, a starter for a small engine includes: a torque apply unit that applies a torque to a torque-accumulation spring; a rotating member that transmits the accumulated torque to a crankshaft; and a rotation regulation unit that restrains the accumulated torque from being transmitted to the crankshaft, wherein the rotation regulation unit includes: a regulation ratchet provided on a rotating body linked with the crank shaft to rotate therewith; and a pressing unit provided on an engine case to be engaged with the regulation ratchet and to regulate an operation thereof, and wherein the regulation ratchet is disengaged from the pressing unit by the torque accumulated in the torque-accumulation spring when the accumulated torque exceeds a predetermined resilient force, thereby starting the engine.

Abstract: According to an aspect of the present invention, there is provided a recoil starter including: a case having a reel supporting shaft; a rope reel having: a tubular shaft portion; an engaging portion; a rope housing groove to house a recoil rope; and a spring housing portion to house a spiral spring; a ratchet axially-slidably arranged outside the tubular shaft portion; a ratchet guide attached to an end of the reel supporting shaft; and a return spring provided between the ratchet guide and the ratchet, wherein an inclined surface and a locking surface are formed on the engaging portion to be engageable with the ratchet, and wherein the inclined surface guides the ratchet toward to be engaged with the driving pulley, thereby rotating the driving pulley and starting the engine, when the rope reel is rotated.

Abstract: According to one embodiment, a starter for a small engine includes: a torque apply unit that applies a torque to a torque-accumulation spring; a rotating member that transmits the accumulated torque to a crankshaft; and a rotation regulation unit that restrains the accumulated torque from being transmitted to the crankshaft, wherein the rotation regulation unit includes: a regulation ratchet provided on a rotating body linked with the crank shaft to rotate therewith; and a pressing unit provided on an engine case to be engaged with the regulation ratchet and to regulate an operation thereof, and wherein the regulation ratchet is disengaged from the pressing unit by the torque accumulated in the torque-accumulation spring when the accumulated torque exceeds a predetermined resilient force, thereby starting the engine.

Abstract: According to an aspect of the present invention, there is provided a recoil starter including: a case having a reel supporting shaft; a rope reel having: a tubular shaft portion; an engaging portion; a rope housing groove to house a recoil rope; and a spring housing portion to house a spiral spring; a ratchet axially-slidably arranged outside the tubular shaft portion; a ratchet guide attached to an end of the reel supporting shaft; and a return spring provided between the ratchet guide and the ratchet, wherein an inclined surface and a locking surface are formed on the engaging portion to be engageable with the ratchet, and wherein the inclined surface guides the ratchet toward to be engaged with the driving pulley, thereby rotating the driving pulley and starting the engine, when the rope reel is rotated.

Abstract: A recoil starter includes: a rope reel; a cylindrical cam; a coil spring; a reel spindle; an extending cylindrical portion; a recess; a hook; an engaging groove; an inner annular portion; and an outer annular portion, wherein: the extending cylindrical portion is inserted in the inner side of the recess; the coil spring is wound on the outer side of the extending cylindrical portion; the hook is engaged with the engaging groove; an end portion opposite the hook of the coil spring is engaged with the cylindrical cam; the inner annular portion is made flush; and the outer annular portion is made such that a portion corresponding to the engaging groove is formed to have the same height as that of the inner annular portion whereas an opposite side is formed to have a larger height than that of the inner annular portion.

Abstract: A recoil starter includes: a rope reel; a cylindrical cam; a coil spring; a reel spindle; an extending cylindrical portion; a recess; a hook; an engaging groove; an inner annular portion; and an outer annular portion, wherein: the extending cylindrical portion is inserted in the inner side of the recess; the coil spring is wound on the outer side of the extending cylindrical portion; the hook is engaged with the engaging groove; an end portion opposite the hook of the coil spring is engaged with the cylindrical cam; the inner annular portion is made flush; and the outer annular portion is made such that a portion corresponding to the engaging groove is formed to have the same height as that of the inner annular portion whereas an opposite side is formed to have a larger height than that of the inner annular portion.

Abstract: A recoil starter includes a reel/cam unit defined with a rope reel wound with a starter rope and urged to pivot in a direction of reeling the starter rope, and a cam in a cylindrical shape for transmitting rotation of the rope reel to an output shaft on a side of an engine. A damper unit connects the rope reel and the cam, and a reel support shaft supports the rope reel and the cam. A draw-out preventing unit restricts the reel/cam unit from being moved along the reel support shaft. One side of the cam is extended to form a cylindrical extended portion, where the rope reel is fitted to an outer side of the cylindrical extended portion. The cylindrical extended portion is rotatably fitted to an outer side of the reel support shaft.

Abstract: A recoil starter enabling a power-driven device to be coupled to a crankshaft of an engine in a state where the recoil starter is mounted to the crankshaft on the same side of the engine as the crankshaft is disposed on. A starter housing is provided on an inside thereof with a reel support shaft which projects coaxially with the crankshaft. A rope reel having a recoil rope wound thereon and a cam, which transmits rotation via centrifugal ratchets to the crankshaft, are rotatably mounted on the reel support shaft while they are rotatingly coupled to each other via a damper spring. An opening is formed in the reel support shaft so as to extend from a distal end thereof near the crankshaft to the outside of the starter housing. A drive shaft of the device is coupled to the crankshaft inside the opening. An annular plate is secured to the starter housing to prevent the cam and rope reel from being detached from the reel support shaft.

Abstract: A recoil starter in which a side face of a rope reel is formed with a ring-like recess portion for containing a damping force storing member, a boss portion of a cam is contained at inside of the ring-like recess portion and the damping force storing member is contained between an inner peripheral face of the ring-like recess portion and an outer peripheral face of the boss portion of the cam, an inner side of the boss portion of the cam is formed with a ratchet mechanism for engaging and disengaging the cam to and from the rope reel, when the rope reel is rotated by traction of the recoil rope, the both members are disengaged from each other and when the rope reel is rotated in a direction of reeling back the recoil rope, the both members are engaged with each other.

Abstract: A recoil starter includes: a reel/cam unit including: a rope reel wound with a starter rope and urged to pivot in a direction of reeling the starter rope; and a cam in a cylindrical shape for transmitting rotation of the rope reel to an output shaft on a side of an engine; a damper unit for connecting the rope reel and the cam; a reel support shaft for supporting the rope reel and the cam; and a draw-out preventing unit for restricting the reel/cam unit from being moved along the reel support shaft, wherein: one side of the cam is extended to form a cylindrical extended portion; the rope reel is fitted to an outer side of the cylindrical extended portion; and the cylindrical extended portion is rotatably fitted to an outer side of the reel support shaft.

Abstract: A drive pulley is formed in a cup-like shape one end side of which is integrally formed with a peripheral wall in a cylindrical shape, the peripheral wall in the cylindrical shape of the drive pulley is formed with openings to be engaged with a ratchet member at intervals of 90 degrees along a circumferential direction, an engaging face for engaging with the ratchet member is formed at a side edge of each for the openings directed in an engine starting direction, and a side edge opened substantially orthogonal to the engaging face or by an angle equal to or larger than 90 degrees is formed at a side edge of the opening on an opposed side opposed to the engaging face.

Abstract: A recoil starter in which a side face of a rope reel is formed with a ring-like recess portion for containing a damping force storing member, a boss portion of a cam is contained at inside of the ring-like recess portion and the damping force storing member is contained between an inner peripheral face of the ring-like recess portion and an outer peripheral face of the boss portion of the cam, an inner side of the boss portion of the cam is formed with a ratchet mechanism for engaging and disengaging the cam to and from the rope reel, when the rope reel is rotated by traction of the recoil rope, the both members are disengaged from each other and when the rope reel is rotated in a direction of reeling back the recoil rope, the both members are engaged with each other.

Abstract: A recoil starter enabling a power-driven device to be coupled to a crankshaft of an engine in a state where the recoil starter is mounted to the crankshaft on the same side of the engine as the crankshaft is disposed on. A starter housing is provided on an inside thereof with a reel support shaft which projects coaxially with the crankshaft. A rope reel having a recoil rope wound thereon and a cam, which transmits rotation via centrifugal ratchets to the crankshaft, are rotatably mounted on the reel support shaft while they are rotatingly coupled to each other via a damper spring. An opening is formed in the reel support shaft so as to extend from a distal end thereof near the crankshaft to the outside of the starter housing. A drive shaft of the device is coupled to the crankshaft inside the opening. An annular plate is secured to the starter housing to prevent the cam and rope reel from being detached from the reel support shaft.

Abstract: A recoil starter enabling a power-driven device to be coupled to a crankshaft of an engine in a state where the recoil starter is mounted to the crankshaft on the same side of the engine as the crankshaft is disposed on. A starter housing is provided on an inside thereof with a reel support shaft which projects coaxially with the crankshaft. A rope reel having a recoil rope wound thereon and a cam, which transmits rotation via centrifugal ratchets to the crankshaft, are rotatably mounted on the reel support shaft while they are rotatingly coupled to each other via a damper spring. An opening is formed in the reel support shaft so as to extend from a distal end thereof near the crankshaft to the outside of the starter housing. A drive shaft of the device is coupled to the crankshaft inside the opening.

Abstract: A drive pulley is formed in a cup-like shape one end side of which is integrally formed with a peripheral wall in a cylindrical shape, the peripheral wall in the cylindrical shape of the drive pulley is formed with openings to be engaged with a ratchet member at intervals of 90 degrees along a circumferential direction, an engaging face for engaging with the ratchet member is formed at a side edge of each for the openings directed in an engine starting direction, and a side edge opened substantially orthogonal to the engaging face or by an angle equal to or larger than 90 degrees is formed at a side edge of the opening on an opposed side opposed to the engaging face.

Abstract: A recoil starter having a driving member and a driven member, wherein the driving member further includes recoiling unidirectional rotating means. The recoiling unidirectional rotating means includes a movable locking claw member which is supported by one of the rope reel and the interlocking rotor in such a manner that it is rotatable therewith and movable in a direction along the rotational axis thereof, an urging member for urging the movable locking claw member toward the other of the rope reel and the interlocking rotor, and an engaging member mounted on the other of the rope reel and the interlocking rotor.