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: A combination starter-generator device is provided for a work vehicle having an engine. The starter-generator device includes an electric machine and a gear set configured to receive rotational input from the electric machine and the engine. The gear set includes a ring gear formed by a cylindrical base with a perimeter surface facing the engine and a circumferential row of castellations extending in a radial direction from the perimeter surface. The starter-generator device further includes a mounting arrangement comprising a drive plate configured to be secured to a crank shaft of the engine and a flex plate mounted to the drive plate. The flex plate includes a row of engagement apertures configured to receive the castellations of the ring gear to rotationally couple the ring gear to the engine via the mounting arrangement.

Abstract: A structure of a ratchet type one-way clutch that enables a reduction of the installation space along the direction of the center axis and high torque setting. The structure includes a securing member arranged on the center axis of a ratchet type one-way clutch and having a holding portion opposed to the ratchet type one-way clutch in the axial direction. The outer race of the ratchet type one-way clutch is provided with a first fit portion including a plurality of through holes. The holding portion is provided with a second fit portion including a plurality of projections that is in fitting engagement with the first fit portions, respectively.

Abstract: A lock mechanism includes a snapping part and a pressing part configured to be slidably connected with a first body. The pressing part includes a pressing end and an abutting end opposite to the pressing end. The abutting end is configured to abut against the snapping part to make the snapping part engage with a second body and to lock the second body onto the first body.

Abstract: A mower includes a rotary grass cutting blade. A mower deck houses the rotary blade in an interior thereof. A motor has at least a portion thereof positioned or extending into the interior of the mower deck. The motor rotationally drives the rotary blade. A guide member can be utilized to form an air flow passage along the motor, with the air flow passage connecting the interior and exterior of the mower deck.

Abstract: A damped anti-rotational system is provided comprising a pawl carrier having an axis of rotation, a pawl pivotably mounted to the pawl carrier on a pivot joint, the pawl having a contact portion and a counterweight portion, a stop pin axially disposed in the pawl carrier and configured to contact the contact portion of the pawl in response to radially inward movement of the pawl, wherein the stop pin is mounted to the pawl carrier at a forward portion of the stop pin and an aft portion of the stop pin, wherein a forward O ring is disposed on the forward portion of the stop pin and an aft O ring is disposed on the aft portion of the stop pin.

Abstract: A starter has a high voltage direct current electric motor, a speed reduction device, a clutch, an output gear and a switch box configured to turn on the electric motor. The output gear is driven by the electric motor via the speed reduction device and the clutch. The starter also has a stationary axle on which the output gear is installed. The electric motor has an output shaft. The speed reduction device has a drive gear fixed to the output shaft and a driven gear meshed with the drive gear, the driven gear being rotatably mounted to the axle via a bushing.

Abstract: An engine starting method in a parallel-type hybrid vehicle comprises a motor reverse rotation driving step of applying reverse rotation current to drivingly rotate a motor output shaft in a reverse rotation direction of an engine output shaft whereby an elastic member in a damper is elastically deformed to store an urging force that urges the motor output shaft in a normal rotation direction; an urged normal rotation step of stopping the electrification to release the urging force having been stored at the motor reverse rotation driving step whereby the motor output shaft is rotated in the normal rotation direction; a motor normal rotation driving step of applying normal rotation current to drivingly rotate the motor output shaft in the normal rotation direction; and an engine start igniting step of igniting an engine with the engine output shaft being rotated by the rotation at the motor normal rotation driving step.

Abstract: The invention describes a starter wherein the second front bearing is inserted axially between the armature windings and the speed reducer. This configuration helps solve the problem that the operating forces of known starter armature shafts are too great for the armature shaft guide ring to withstand long term intensive stresses. The structure includes a supporting section of the armature shaft received in the front bearing, the supporting section being of an outside diameter greater than or equal to the other sections of the armature shaft; the front bearing forms a sealed baffle between the armature windings and the planetary gear speed reducer; the electric motor is housed in a cylindrical frame, coaxial with the armature shaft, the front bearing being centered directly with respect to the frame by radial support against the internal cylindrical face of the front peripheral edge of the frame.

Abstract: An outboard motor includes an engine including a vertically extending crankshaft, a rope reel, a transmitting member, a force accumulation spiral spring, and an engine cover arranged to cover these components. The rope reel includes a plate portion arranged to be rotatable about the rotational center axis of the crankshaft and a rope winding portion provided integrally with the plate portion at the peripheral edge thereof and arranged to be wound with a rope to start the engine. The transmitting member is arranged to be rotatable about the rotational center axis of the crankshaft and to transmit rotation to the crankshaft. The force accumulation spiral spring is disposed on the opposite side of the engine with respect to the plate portion of the rope reel. The force accumulation spiral spring is arranged to accumulate a torque applied to the rope reel and transmit the torque to the transmitting member, first and second ends of the spring being fixed, respectively, to the rope reel and the transmitting member.

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: A recoil starter system. The system may include a drive member engageable with an engine, the drive member including a plate having a first spring support having a first outer surface with a first outer diameter, a pulley member rotatably coupled to the drive member and including a second spring support, the second spring support having a second outer surface with a second outer diameter, and a spring member coupled between the drive member and the pulley member, the first spring support and the second spring support cooperating to provide a radially-inner support for the spring member. The system may include a rotation limiting arrangement provided between the drive member and the pulley member, the rotation limiting arrangement including a pair of travel stops, and a rotation limiting member. The system may include a rope retention recess for receiving an end of the pull rope and a rope retention bar.

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: A recoil starter system and method. The system may include a drive member, a pulley member, and a spring member. The drive member may include a first retainer, and the pulley member may include a second retainer, the retainers being engageable to connect the drive member and the pulley member and to inhibit relative axial movement between the pulley member and the drive member. The spring member may be configured to absorb and limit the variations in the pulling torque produced by the engine resulting in a smooth and constant pull force.

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: An internal combustion engine or other internal pressure driven engine of the type capable of converting reciprocal linear powered motion into unidirectional rotary motion, the engine having at least one pair of first and second cylinders with each cylinder having a pair of opposed pistons therein forming a pressure chamber therebetween. Outer ends of each piston carries a piston rod connected to a pivot arm of a respective one way clutch which causes the clutch to oscillate back and forth when the piston moves in and out due to pressure or combustion in the pressure chamber. Alternatively, the piston rods may be configured as gear racks in direct operative engagement with pinion gears of the one way clutches. The clutches are parallel and spaced apart from each other near each end of the cylinders. Each clutch carries a gear on one end which intermeshes with a gear rack assembly having gears and a gear rack which drives a crankshaft and auxiliary flywheel operatively connected to a starter.

Abstract: A starter device for an internal combustion engine (10) has an actuating device and an entrainer (24) can be coupled to the crankshaft (13) of the engine (10). The entrainer (24) and the actuating device are rotatably journalled about a rotational axis (14). The entrainer (24) and the actuating device are connected to each other via a damping spring (23). The damping spring (23) is connected with a first end (26) to the actuating device and with a second end (27) to the entrainer (24). The entrainer (24) and the actuating device have respective supports (21, 42). The damping spring (23) is mounted on the outer periphery of the two supports (21, 42). In the direction of the rotational axis (14), a disc (22) is mounted between the two supports (21, 42) in order to avoid the situation that the damping spring (23) can force itself into a gap between the two supports (21, 42) which gap can arise during operation.

Abstract: One of the embodiments provides a starter including: a starter case; a rotational torque applying unit; a torque-accumulation spring; a rotating member; a driving pulley; and a rotation regulating mechanism including: a regulating ratchet provided on the driving pulley or the rotating member at a position shifted from a rotation center thereof; and a pressing unit provided on the starter case and urged by a given resilient pressing force to be engaged with the regulating ratchet, wherein, when the rotational torque accumulated in the torque-accumulation spring exceeds the given resilient pressing force, the driving pulley or the rotating member urges back the pressing unit via the regulating ratchet so that the regulating ratchet is disengaged from the pressing unit, to thereby release the rotational torque.

Abstract: A spring assembly is mounted on a crankshaft for a vehicle. A selector mechanism for the spring assembly selectively connects the spring assembly to the crankshaft. The selector mechanism is engaged in a first position to connect the spring to the crankshaft when the engine is shut-off such that the crankshaft winds the spring as it rotates. The selector mechanism is then engaged in a second position such that the spring applies a rotational force to re-start the engine. A method for braking the engine includes engaging the crankshaft with the torsion spring and winding the torsion spring with rotation of the crankshaft until the tension within the torsion spring is greater than the force applied to the crankshaft.

Abstract: The present invention relates to a start device for a small-sized engine, which is capable of starting the small-sized engine in an appropriate starting time and is ultimately reduced in size and weight by a rational design. A plurality of secondary batteries is used as a power source required to drive a small-sized electric motor and a small-sized engine, and has a considerably large capacity and an extremely small size. A speed reduction mechanism that has a reduction ratio of 1/30 to 1/90 is disposed between the electric motor and a buffer/power storage section. The start device starts the engine in an extremely short time of 0.4 to 1.3 seconds. Within this range of staring time of the engine, an operator has no uncomfortable feelings.

Abstract: A spring assembly is mounted on a crankshaft for a vehicle. A selector mechanism for the spring assembly selectively connects the spring assembly to the crankshaft. The selector mechanism is engaged in a first position to connect the spring to the crankshaft when the engine is shut-off such that the crankshaft winds the spring as it rotates. The selector mechanism is then engaged in a second position such that the spring applies a rotational force to re-start the engine. A method for braking the engine includes engaging the crankshaft with the torsion spring and winding the torsion spring with rotation of the crankshaft until the tension within the torsion spring is greater than the force applied to the crankshaft.

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: A power-storage-type engine starting system includes a coil spring for storing power to be used in starting the engine. An end of a crankshaft is configured to pass through a cylindrical shaft part and is passed through a one-way clutch attached to inside of an assist boss so that an assist boss and the one-way clutch can be provided at radially outside of the shaft end, whereby the crankshaft is made shorter.

Abstract: An engine is disclosed having a flywheel arrangement comprising a starter motor (1) having a pinion gear (2) at an output shaft. The pinion gear (2) constantly engages a corresponding crank gear of a crank wheel (3) located between an engine block and a flywheel assembly (9) of the engine. The crank wheel (3) is operatively connected to a crankshaft (4) of the engine via a one-way clutch unit (5). The flywheel assembly (9) comprises a first flywheel body (6) connected to the crankshaft (4) of the engine. A second flywheel body (7) is rotatable relative to the first flywheel body (6) and coupled thereto such that is able to move elastically through a limited angular distance relative to the first flywheel body (6). An interlocking device includes at least one locking arrangement (8) and is adapted to produce an interlocking connection between the second flywheel body (7) and the first flywheel body (6) during cranking of the internal combustion engine.

Abstract: An engine start device having a first start mode in which the engine is started on a spot by executing a start operation of the engine, and a second start mode in which a necessary accumulated force is previously accumulated in to start in one time in an optional place at an optional timing. In the first start mode, an accumulated force, accumulated by a rotation of a rotation drive section allows the engine to be started on the spot. If switched to the second start mode, the rotation of the rotation drive section is exclusively accumulated and released in the optional place at a desired time so as to start the engine in accordance with a one-touch operation.

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.

Abstract: A manual starter for an engine includes a main housing, an output shaft, a spring housing, a spring, and an attachment unit. The output shaft is disposed at least partially inside the main housing, and is configured to supply a starting torque to the engine. The spring housing is disposed in the main housing. This spring is disposed in the spring housing, and is configured to receive an initial force from a starter cord and to supply the starting torque to the output shaft. The attachment unit is configured to selectively couple the spring to the output shaft before the engine has started and decouple the spring from the output shaft after the engine has started.

Abstract: An electric engine starter in which downsizing and weight saving are improved to an extreme based on the rational design and by eliminating an unnecessary unit, wherein a battery is arranged outside the starter, a power accumulating unit has a rotation supporting unit for supporting one end of a spring, a first gear is formed on the rotation supporting unit, a second gear is fixed to an output shaft of a high-speed reduction gear mechanism, the first and the second gears are engaged with each other, the power accumulating unit and the power transmission unit are arranged on the same first axis line, the compact electric motor and the high-speed reduction gear mechanism are arranged on the same second axis line parallel to the first axis line, and the first axis line and the second axis line are arranged on the same plane surface.

Abstract: A pressure washer, connected to a water source by a hose, includes a frame, an engine supported by the frame and having a crankshaft, a pump driven by the engine, a wheel supported for rotation relative to the frame, an input configured to receive water from the hose and discharge the water against the wheel to cause the wheel to rotate, and a spring having a first end that is coupled to the crankshaft and a second end that is rotatable about an axis relative to the first end in response to rotation of the wheel to wind the spring. The wound spring is released to rotate the crankshaft to start the engine.

Abstract: A pressure washer, connected to a water source by a hose, includes a frame, an engine supported by the frame and having a crankshaft, a pump driven by the engine, a wheel supported for rotation relative to the frame, an input configured to receive water from the hose and discharge the water against the wheel to cause the wheel to rotate, and a spring having a first end that is coupled to the crankshaft and a second end that is rotatable about an axis relative to the first end in response to rotation of the wheel to wind the spring. The wound spring is released to rotate the crankshaft to start the engine.

Abstract: An engine starter assembly, coupled to a rotatable member of an internal combustion engine, includes an accumulator device coupled to the rotatable member for storing energy, an input device impinged by a fluid stream, and a fluid input receiving the fluid stream and directing the fluid stream toward the input device. Energy from the fluid stream is stored in the accumulator device due to the impingement of the fluid stream on the input device. The stored energy in the accumulator device is thereafter released to rotate the rotatable member to start the engine.

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 to 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 to 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: An engine start device having a first start mode in which the engine is started on a spot by executing a start operation of the engine, and a second start mode in which a necessary accumulated force is previously accumulated in to start in one time in an optional place at an optional timing. In the first start mode, an accumulated force, accumulated by a rotation of a rotation drive section allows the engine to be started on the spot. If switched to the second start mode, the rotation of the rotation drive section is exclusively accumulated and released in the optional place at a desired time so as to start the engine in accordance with a one-touch operation.

Abstract: An electric engine starter in which downsizing and weight saving are improved to an extreme based on the rational design and by eliminating an unnecessary unit, wherein a battery is arranged outside the starter, a power accumulating unit has a rotation supporting unit for supporting one end of a spring, a first gear is formed on the rotation supporting unit, a second gear is fixed to an output shaft of a high-speed reduction gear mechanism, the first and the second gears are engaged with each other, the power accumulating unit and the power transmission unit are arranged on the same first axis line, the compact electric motor and the high-speed reduction gear mechanism are arranged on the same second axis line parallel to the first axis line, and the first axis line and the second axis line are arranged on the same plane surface.

Abstract: Engine starting apparatus comprising a one way clutch. A first oil seal is located on the outer side of a second oil seal in the radial direction of a ring gear. Upon starting of an engine, the time that the first oil seal is slid on the ring gear is short, and after the start of the engine, the first oil seal is not slid on the ring gear. The second oil seal is located on the inner side of the first oil seal in the radial direction of the ring gear. Therefore, the second oil seal hardly deteriorates even if slid on a flywheel at high speed after the start of the engine. By locating the first and second oil seals at different positions in the radial direction of the ring gear, it is possible to improve the startability and the lifetime of a starting apparatus. At least one oil seal has a taper shape in order to generate a thrust force which forces the ring gear away from the flywheel.

Abstract: The invention relates to a power transmission mechanism between an engine starting device and an engine. A side surface shape of a lever-shaped engaging and disengaging member (107) in a side facing to a ratchet wheel (120) of a rotation driven portion is formed in a concave shape concaved in a direction away from the wheel (120). The lever-shaped engaging and disengaging member (107) is engaged with and disengaged from a centrifugal clutch mechanism of the engine engaging with and disengaging from the ratchet wheel (120). A first engaging and disengaging lever (141) is engaged with the ratchet wheel (120), a sufficient force to start the engine is accumulated in a force accumulating power spring (131), thereafter the engagement of the first engaging and disengaging member (141) is disconnected by a manual operation, and the ratchet wheel (120) is rapidly rotated by releasing the accumulated force in the force accumulating power spring (131).

Abstract: An energy storing recoil starter includes a buffering component to reduce a pull effort when starting an engine. The energy storing recoil starter includes a starter housing coupled to an engine shaft of the engine and a starter pulley. A clutch assembly is coupled between the starter housing and the starter pulley to effect rotation of an engine shaft. The buffering component is coupled between the starter housing and the engine.

Abstract: An energy-storing starting device for an internal combustion engine includes a starter pulley and a starter spring. A spring housing at least partially houses the starter spring. A toothed housing includes a plurality of ratchet teeth. A pawl member is adapted to provide a locking engagement with at least one of the ratchet teeth of the toothed housing to thereby prevent rotation of the toothed housing in an engine starting direction. An actuator is adapted to disengage the pawl member from the toothed housing to thereby permit the toothed housing to rotate. In one example, the starting device includes engagement structure adapted to bias a portion of the pawl towards at least one of the ratchet teeth of the toothed housing automatically when the starter pulley is rotated. In addition or alternatively, the toothed housing includes an interior area that at least partially receives the spring housing.

Abstract: A starter device (1) for an internal combustion engine has a starter drum (4) which acts upon a spring housing (11) when starting. An intermediate spring (10) is arranged in the spring housing (11). One end of the intermediate spring (10) is fixed to the spring housing (11) and the other end of the intermediate spring (10) can be coupled to the crankshaft (3) of the engine via a first catch (23). The spring housing (11) and the starter drum (4) are journalled on a shaft (7) held at one end. The center of gravity (S) of the spring housing (11) lies in the region of the support of the spring housing (11) in order to reduce the acting bearing forces and to increase the service life of the starter device.

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: An activation device for activating an engine of a power tool includes an activation unit, a clutch unit and a transmission unit, wherein the clutch unit is connected between the activation unit and the transmission unit. The activation unit includes a first spring disk and a second spring disk. When the activation unit rotates clockwise, the transmission unit rotates in the same direction via the clutch unit. When the first spring disk releases the energy to rotate the activation unit counter clockwise, the clutch unit disengages the activation unit from the transmission unit so that the second spring disk rotates the transmission unit to start the engine.

Abstract: An apparatus for preventing cutting of a spiral spring for an engine starter includes a rope reel to be rotated by a rope rounded thereon, a spiral spring to be wound up by the rope reel in order to accumulate a power therein, an engine starting pulley driven by the power accumulated in the spiral spring, and a device for preventing the spiral spring from being cut due to an overwinding. The device has a projection which projects from an outer peripheral surface of the engine starting pulley when the spiral spring is wound up fully by the rope reel and an outer diameter of the spiral spring is reduced, and an engaging device which is provided on the rope reel and which engages the projection.

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: An engine starter includes a rope reel to be rotated by a rope rounded thereon, a first spiral spring for recoiling and a second spiral spring for engine starting, both of the first and second springs being wound up by the rotation of the rope reel in order to accumulate a power therein, an engine starting pulley to be driven by the power accumulated in the second spiral spring, and a brake that suppresses rotation of the rope reel when the rotary speed of the rope reel at the recoiling is increased more than a predetermined value. The brake has a moving element that is moved by a centrifugal force generated by the rotation of the rope reel.

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 recoil starter capable of readily staring an engine and reducing the number of components and manufacturing costs thereof and reducing a size and weight thereof. The recoil starter is so constructed that a rotational force accumulated in a cushioning and force accumulating means interposed between a rope reel and a cam is transmitted via the cam to a drive pulley, to thereby start the engine. A ratchet mechanism is provided between the rope reel and the cam so as to uncouple the cam from the rope reel when the rope reel is rotated in an engine starting direction and so as to couple the cam to the rope reel when the rope reel is rotated in a direction opposite to the engine starting direction, thus rotating the cam and the rope reel together in said opposite direction.

Abstract: A recoil starter is disclosed which enables a rotational force to be accumulated in accumulating means with a light pulling force and the accumulated rotational force to start an engine through simple operations. A cam wheel is rotated using a rotational force which has been accumulated in the accumulating means by pulling a recoil rope. Retention means is operable to restrain or permit the rotation of the cam wheel. Release means operates the retention means to restrain the rotation of the cam wheel by pulling a handle attached to the recoil rope, and operates the retention means to permit the rotation of the cam wheel by fixing the handle in a main casing.

Abstract: In an engine of a compression-ratio variable type, a subsidiary rod and a piston connected to a crankshaft are connected to each other through a connecting rod, and an eccentric shaft mounted at an eccentric location on a support shaft turnably carried in an engine body and the subsidiary rod are connected to each other through a control rod, so that the compression ratio of the engine is changed by changing the turned position of the support shaft. The engine further includes a one-way clutch mounted between the support shaft and the engine body for limiting the direction of turning of the support shaft. The turned position of the support shaft is limited selectively at a plurality of points by a turned-position limiting means, and a load applied to at least one of the support shaft and the turned-position limiting means is moderated by buffering means.

Abstract: An engine starter includes a reel to be rotated by a rope wound around the reel, first and second springs, both of which being wound up by the rotation of the reel, an engine starting pulley to be rotated by the second spring for driving a crank shaft of an engine, and a centrifugal clutch inserted between the engine starting pulley and the crank shaft of the engine. A spring force accumulated in the second spring is dwindled into zero when the rope is recoiled around the reel by the first and the second springs.

Abstract: A recoil starter is disclosed which enables a rotational force to be accumulated in accumulating means with a light pulling force and the accumulated rotational force to start an engine through simple operations. A cam wheel is rotated using a rotational force which has been accumulated in the accumulating means by pulling a recoil rope. Retention means is operable to restrain or permit the rotation of the cam wheel. Release means operates the retention means to restrain the rotation of the cam wheel by pulling a handle attached to the recoil rope, and operates the retention means to permit the rotation of the cam wheel by fixing the handle in a main casing.