Abstract: A rotary cutter for a mower has a cord for cutting grass and the like by rotating itself; a reel for housing the cord and feeding the cord while intermittently rotating; a case for housing the reel; a cover for covering the case; and a pressing body protruding from the case. The pressing body is axially movable by being pressed, and intermittently rotating the reel. The reel and the pressing body are integrally constructed. Concave grooves for inserting the cord are provided in the reel in a radial direction and the cord is wound by fitting it to the concave grooves.

Abstract: To provide a recoil starter which is provided with a ratchet member smoothly sliding on an inner peripheral surface of a drive pulley and capable of being manufactured at a low cost. A recoil starter is provided with a circular cross section ratchet member rotatably mounted on a shaft hole. The ratchet member is configured by: a rotary shaft portion inserted into the shaft hole; an arm portion bent at a substantially right angle and extending from the rotary shaft portion; and a distal end portion bent parallel to the rotary shaft portion and extending from the arm portion. The ratchet member rotates upon rotation of a rope reel in an engine start direction, engages with a drive pulley by the rotation, and transmits torque of the rope reel to the drive pulley.

Abstract: A rotary cutter for a mower has a cord for cutting grass and the like by rotating itself; a reel for housing the cord and feeding the cord while intermittently rotating; a case for housing the reel; a cover for covering the case; and a pressing body protruding from the case. The pressing body is axially movable by being pressed, and intermittently rotating the reel. The reel and the pressing body are integrally constructed. Concave grooves for inserting the cord are provided in the reel in a radial direction and the cord is wound by fitting it to the concave grooves.

Abstract: A rotary cutter for a mower for mowing grass and the like with a cord of a desired length extending in a radial direction of a cutting head from the cutting head driven for rotation through a drive shaft is described. The rotary cutter includes at least one fastening element for fixing one end of the cord to a cutting head main body. An inner end portion of the cord inserted from a sidewall of the head main body is fastened by the fastening element. The cord is removed and replaced with a new cord when the cord is worn out. The cord fastening element is disposed near a drive shaft coupling shaft tube portion in the cutting head main body. A cord outlet for removing the cord is provided to the drive shaft coupling shaft tube portion side. The inner end portion of the cord extends outside from the cord outlet and along a sidewall of the drive shaft coupling shaft tube portion of the cutting head main body.

Abstract: A recoil starter includes a case; a reel pivot formed on the case; a rope reel rotatably supported on the reel pivot; a recoil spring; a cam; a power storage spring interposed between the rope reel and the cam; and a power storage ratchet mechanism disposed between facing surfaces of the rope reel and the cam and. The power storage ratchet mechanism is configured to disengage the rope reel and the cam when the rope reel rotates in an engine-starting direction, and engage the rope reel and the cam when the rope reel rotates in an opposite direction to the engine-starting direction.

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: Provided is a rotary cutter for a mower that achieves easy and rapid cord insertion and improved work efficiency. A rotary cutter for a mower includes: a cord cutting grass or the like; a reel housing the cord, a case and a cover housing the reel therein; a pressing body rotating the reel; and a resilient element elastically supporting the case and the cover, and the rotary cutter is configured such that the reel axially moved by rotation of the pressing body so as to come into contact with the pressing body, and the cord is wound around the reel while being clamped in a clearance created between the reel due to the axial movement of the reel.

Abstract: A rotary cutter for a mower has a cord for cutting grass and the like by rotating itself; a reel for housing the cord and feeding the cord while intermittently rotating; a case for housing the reel; a cover for covering the case; and a pressing body protruding from the case. The pressing body is axially movable by being pressed, and intermittently rotating the reel. The reel and the pressing body are integrally constructed. Concave grooves for inserting the cord are provided in the reel in a radial direction and the cord is wound by fitting it to the concave grooves.

Abstract: In this throttle control device, the device body secured to a steering wheel is provided with a throttle lever for pulling a control cable and the cover is attached to the upper part of the device body. The throttle control device includes a protruded rim that is formed on one of the outer surfaces of the upper both side walls of the device body and the inner surfaces of both side parts of the cover, a recessed groove capable of slidably engaging with the rim is slantingly formed in the other, the protruded rim is engaged with the recessed groove and slid, and the cover is locked to the device body at its slid end whereby the cover is fixed onto the device body.

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 rotary cutter for a mower is described including at least one cord of a predetermined length extending from the cutting head driven for rotation, and at least one fastening element for fixing one end of the cord to the cutting head main body. The fastening element includes a pair of ratchets. Each ratchet pivots for turning on the main body and is constantly applied with a rotational force in a predetermined direction by a spring. The cord is clamped and fastened by the ratchets. An inner end portion of the cord inserted from the sidewall of the main body is fastened by the fastening element, and the cord is removed and replaced with a new cord when the cord is worn out. The fastening element including a pair of ratchets with each ratchet of the pair including at least two or more sheets of laminated ratchets.

Abstract: A rotary cutter for a mower has a cord for cutting grass and the like by rotating itself; a reel for housing the cord and feeding the cord while intermittently rotating; a case for housing the reel; a cover for covering the case; and a pressing body protruding from the case. The pressing body is axially movable by being pressed, and intermittently rotating the reel. The reel and the pressing body are integrally constructed. Concave grooves for inserting the cord are provided in the reel in a radial direction and the cord is wound by fitting it to the concave grooves.

Abstract: A rotary cutter for a mowing machine includes a cord for mowing grass by rotating, a reel which contains the cord and intermittently rotates to pay out the cord, a case which contains the reel, and a cover which covers the case, wherein the reel includes an upper cam and a lower cam, a stopper is incorporated in the case at a center of a bottom thereof, one end of the stopper is engaged with the upper cam thereby to stop the rotation of the reel, the other end of the stopper is engaged with the lower cam, one end of the cord is engaged with the stopper from outside thereof and guided out of the rotary cutter through a cord guide, and the other end of the cord is guided out of the rotary cutter without touching the stopper.

Abstract: A power transmission mechanism between an engine starter and an engine capable of securely engaging the ratchet wheel of a rotatingly driven part with the lever-like engagement/disengagement member of a centrifugal clutch mechanism when the engine is started. The side face of the lever-like engagement/disengagement member facing the ratchet teeth of a second ratchet part is formed in such a shape that is recessed in a direction apart from the peripheral surface of the second ratchet part in an area starting at its pivoting part toward an engagement/disengagement claw part. The engagement/disengagement claw part formed at the tip of the lever-like engagement/disengagement member is engaged with the ratchet teeth of the second ratchet part by surface contact, and the ratchet teeth of a first ratchet part and the ratchet teeth of the second ratchet part are disposed at a prescribed phase difference.

Abstract: [PROBLEMS] The present invention is directed to provide a rotary cutter for a mower having a cord fastening means, wherein gripping force of a cord is strong, the cord is hard to cut from cord-gripping portions, and the fastening means is compatible with a code having a different cross-section or a bent cord.

Abstract: A recoil starter includes a base plate that has a bearing portion formed therein and a rotary shaft that is supported by the bearing portion so as to pass through the base plate. A rope reel is rotatably supported at one side of the base plate, and a recoil rope is wound around the rope reel. A recoil spiral spring urges the rope reel to rewind the recoil rope. A damper spring has one end connected to the rotary shaft and the other end connected to the rope reel, and a clutch mechanism is disposed on an end of the rotary shaft at the other side of the base plate. The clutch mechanism transfers a rotational force to an engine.

Abstract: A starting system for a small-sized engine is described which achieves downsizing, light-weight, and cost reduction of the system, prevents entry of dust or foreign substances at the time of assembly, and achieves easy assembly of a motor. The starting system for a small-sized engine includes a recoil starting system and a motor starting system integrated in a starter case, in which the motor starting system has a configuration in which a pinion is mounted on an output shaft of a reducer motor by an one-way clutch of a needle bearing and the pinion is engaged with a starting gear 6 of an engine, and the starter case has a configuration in which an inner lid is secured to a crankcase of the engine together by a screw and the inner lid has a joint portion with respect to the crankcase and a mounting seat for the reducer motor on the outside thereof.

Abstract: Energy is stored in the horse power spring to surely start the engine. The stopper having the engaging engageable with the end behind the rotation direction of the cam plate depressed area is arranged at near the cam plate which is integrally formed with pulley fixed to the engine crank shaft and has the depressed area o the disk rim, and the urging means supporting the stopper in a movable manner to the engaging position where the engaging engages with the depressed area and toe the avoidance position for avoiding the rim of cam plate, and normally urging to move the stopper to the avoidance position, on the other hand, enabling the stopper to move to the engaging position from the outside, and urging not to move the stopper to the avoidance position until a sufficient rotation load is added to the cam plate at the engaging position is provided.

Abstract: In this throttle control device, the device body secured to a steering wheel is provided with a throttle lever for pulling a control cable and the cover is attached to the upper part of the device body. The throttle control device includes a protruded rim that is formed on one of the outer surfaces of the upper both side walls of the device body and the inner surfaces of both side parts of the cover, a recessed groove capable of slidably engaging with the rim is slantingly formed in the other, the protruded rim is engaged with the recessed groove and slid, and the cover is locked to the device body at its slid end whereby the cover is fixed onto the device body.

Abstract: A recoil starter includes a case with a support shaft formed thereon; a rope reel rotatably disposed on the support shaft; a recoil rope wound on the rope reel; a recoil spring that rotationally energizes the rope reel; a cam of an engine side; a power storing spring interposed between the rope reel and the cam; and a ratchet mechanism interposed between the rope reel and the cam. The ratchet mechanism includes: a ratchet shaft formed on the rope reel, a ratchet member having: a base portion oscillatably and slidably supported through an elongated hole on the ratchet shaft, and a ratchet pawl engageable with an engaging portion of the cam, and an energizer that energizes the base portion toward an uneven inner peripheral surface of the case.