Abstract: A rope reel includes first circumferential wall portion that is erectly provided so as to surround outer circumference of recoil spring. A starter case includes second circumferential wall portion that is erectly provided so as to adjoin inner circumferential face or outer circumferential face of first circumferential wall portion. The first circumferential wall portion and the second circumferential wall portion are disposed so that end edges of the first circumferential wall portion and the second circumferential wall portion overlap each other when viewed in radial direction. A plate is disposed between starter case and recoil spring inside first circumferential wall portion. Thus, it is possible to provide structure which is realized in space-saving manner to make foreign substances difficult to intrude into starting device in order to prevent deformation or damage of recoil spring, and from which the foreign substances are easily discharged even if foreign substances have intruded.

Abstract: An engine-driven generator includes an engine having a crankshaft, a generator unit having a drive shaft connected to the crankshaft, a cooling fan connected to the drive shaft, and a recoil starter engageable with the cooling fan. The cooling fan includes a starting pulley engageable with the recoil starter, a centrifugal fan formed on a circumferential outer side of the pulley, and a mixed flow fan formed on a circumferential inner side of the pulley. The pulley, the centrifugal fan, the mixed flow fan are molded integrally with one another.

Abstract: A lawncare apparatus includes a main body, multiple wheels supporting the main body, a cutting blade disposed in the main body, a motor driving the cutting blade, and an operating arm connected to the first end of the main body. The distance in the horizontal direction between the axial central line of the cylindrical gripping portion of the operating arm and the axes of the elongated handle of the main body along the length direction is less than 5 cm. Because of the structure mate relationship between the operating arm and the cylindrical gripping portion, the operator feels more comfortable during the transporting process, the volume of lawncare apparatus during transporting is reduced and the convenience of transporting is improved.

Abstract: A recoil starter (103) includes a pull rope reel (22), a ratchet wheel (31), a pulley (32), a ratchet pawl (33), and an outer wall (32e). The ratchet pawl (33) is capable of swinging between an engaged position where the ratchet pawl engages with a protruding part (31a) and a disengaged position where the ratchet pawl does not engage with the protruding part, and is always urged toward the engaged position. A support surface (32d) of the outer wall (32e) supports the base end portion of the ratchet pawl (33) when the ratchet pawl (33) is in the engaged position. The internal space of the pulley (32) and the external space of the pulley (32) are communicate with each other through the foreign matter discharge portion (32f) of the outer wall (32e).

Abstract: One aspect of the invention provides a recoil starter including: a reel support shaft; a rope reel that is rotatably mounted on the reel support shaft; a ratchet member that is swingably mounted on the rope reel; a ratchet guide that is rotatably mounted on the reel support shaft with friction resistance. The ratchet guide includes: a guide portion and a swinging-prevention portion. When the rope reel rotates in an engine starting direction, the guide portion pushes out the ratchet member to an outer diameter direction. When the ratchet member does not contact the guide portion, the swinging-prevention portion prevents the ratchet member from swinging to the outer diameter direction.

Abstract: An equipment stabilizer for a pull cord start that secures a piece of equipment, such as a chain saw, to a base plate via lockable jig clamps and assists in pulling the pull cord start by providing a pulley operated by a foot pedal. Ratchet straps pass through a horizontal slot through the base plate. An upright beam on the base plate front side has vertically aligned apertures proximal an upper side thereof for spring tension adjustment. A pulley operationally connects a pedal member of the foot pedal to a handle of the pull cord start. Pressing on the pedal member while holding onto the vertical beam moves the pull cord start handle toward the wheel end to start a motor of the piece of equipment.

Abstract: A retractable leash for a swing car comprising a front cover further comprising threaded holes an opening, a back cover further comprising threaded holes an opening, a recoil spring, a rotatable guide rail in a hollow cylindrical structure, and a rope with a free end; wherein the threaded holes in the front cover and back cover correspond to each other, wherein the front cover and the back cover are conjoint by the thread holes and screws to enclose the recoil spring, rotatable guide rail, and the rope, wherein the recoil spring is disposed inside of the rotatable guide rail, wherein the recoil spring is fixedly to the back cover, wherein the opening on the front cover and the back cover correspond to each other, and the free end of the rope extends out of the openings.

Abstract: A hand-operating starting device with clutch structure is mounted to one side of an engine and includes a driving portion and a driven portion. The driving portion includes a housing. A rotary member that is received in the housing and has a pull cord wounded thereon is provided with an elastic member and an axle having a positioning pin projecting therefrom. The driven portion includes a cover that covers the housing. The cover receives therein a sleeve for driving the engine. The sleeve includes a helical channel and is fit over the axle with the positioning pin received in and guided by the helical channel. A bearing arranged between the driving and driven portions for rotatably coupling with the axle and an O-ring is arranged around the bearing. The engine has a main shaft having an eccentric peg having a slope surface formed on an outer end thereof.

Abstract: An engine is provided herein. The engine includes a crankshaft, an engine casing, an oil pump, and an accessory drive, the oil pump having an input member which is driven from the crankshaft at a location on the opposite side of the accessory drive to the engine casing.

Abstract: A two-cycle engine starting device comprises a support structure having a tool securement attached to a base, e.g., a tripod. The tool securement has a holding plate and at least one locking arrangement that temporarily holds a tool to the support structure. A cylinder is secured to the support structure, having a cylinder rod that extends and retracts in a linear motion. An actuation control operates the cylinder. As such, a two-cycle engine is started by positioning the tool on the tool securement so as to be temporarily held by at least one locking arrangement, slipping the starter rope handle into a handle holding mount at the distal end of the cylinder rod, and by operating the actuation control, thus causing the cylinder to extend the handle holding mount in a linear motion that pulls the starter rope with sufficient force to apply a starting force to start the tool.

Abstract: In order to create a starter device (100) for an internal combustion engine of a manually guided engine unit, wherein the device comprises a housing (10) and a cable drum (11) which can be rotated relative to the housing (10) about a rotational axis with a starter pull for starting the engine, and has a recoil spring space (14), which is arranged between the housing (10) and the cable drum (11), for a recoil spring (13), in order to move the cable drum (11) into its original position after a rotational movement of the starter, wherein sealing of the recoil spring space (14) is provided, which starter device on the one hand prevents dirt from penetrating into the recoil spring space and on the other hand has a simple design, it is proposed that the seal (15) is spaced apart radially from the rotational axis (X) to such an extent that the recoil spring space (14) is formed by a wall (16) of the cable drum (11) and an approximately opposite wall (17) of the housing (10).

Abstract: The present invention relates to a cable-operated actuating device for a motor vehicle, in particular for a transmission, comprising: an actuating means having a recess for inserting a coupling connector of a cable control, a blocking means which is radially displaceable in the recess and in a radially outer position permits an axial displacing of the coupling connector in the recess and in a radially inner position axially fixes the coupling connector against an inserting direction in a positively connected and/or frictionally connected manner, a housing, which receives a connecting point between the coupling connector and the recess, and an actuating means for radially displacing the blocking means, which can be actuated outside the housing.

Abstract: An air-cooled general-purpose engine includes: a cooling fan fixed to one end portion, protruding outward from one end wall of an engine main body, of a crankshaft; and a shroud which is mounted to the engine main body, and which defines a cooling-air path between the shroud and the one end wall, the cooling-air path guiding a cooling air blown under pressure from the cooling fan. The air-cooled general-purpose engine includes: an oil pump which pumps up an oil from an oil reservoir; and an oil-supply path which is formed in the one end wall, facing the cooling-air path, of the engine main body, and configured to guide the oil discharged from the oil pump to a valve operating chamber in a head portion of the engine main body, and a jet for jetting the oil is provided in an opening of the oil-supply path, the opening being open to the valve operating chamber.

Abstract: A starting system for an internal combustion engine automatically operates a starting feature on a carburetor associated with the engine. The starting system includes a cam with a bearing mounted on the crankshaft. The bearing is secured so that its inner race will always rotate with the crankshaft. The cam has bosses on one side and is shaped such that it includes a base and a lobe with an outer surface surrounding the cam. At least one spring-loaded pawl is mounted on the flywheel. The pawl is biased to engage a cam boss so as to cause the cam to rotate with the crankshaft during a start-up process. A spring loaded rocker arm is pivotally mounted adjacent the cam. The rocker arm has a roller assembly configured to ride on the outer surface of the cam. As the cam rotates, the roller assembly riding on the cam surface is pushed outward by the cam lobe. A throttle cable is attached at a first end to the rocker arm and at its opposite end to the starting feature on the carburetor.

Abstract: A handle for a starter pull cord having an elongate body for being grasped by a user, a stem extending downward from the elongate body and having a female portion of a quick connect/release coupling mechanism, the female portion having a core and a sleeve mounted for sliding movement thereon between engaged position and disengaged position, the sleeve being biased towards the engaged position, and a cord connector for attaching to the starter pull cord and having a male portion of the quick connect/release coupling mechanism adapted to being received within the female portion and being releasably retained therein when the sleeve is in the engaged position and being released therefrom when the sleeve is in the disengaged position. The first male portion and the female portion may include complementary interlocking portions that cooperate to prevent rotation of the first male portion relative to the female portion.

Abstract: Starter for starting a combustion motor for a power tool includes a rotating tension means roller, onto which a tension means can be wound and which via active connection is connected to a entrainment means of the combustion motor in order to introduce a rotating movement into the combustion motor. The active connection has at least one double crank gear between the tension means roller and the entrainment means.

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: A starting device for at least one combustion engine, in particular cable pull starting device for at least one two-stroke or four-stroke engine, with at least one cable sheave or cable drum rotatably mounted in a housing, which for generating a driving fork for a crankshaft can be put into rotary motion by means of at least one starter handle or pulling handle via at least one force transmission means, in particular via a starter cable or pulling cable and is connected to at least one driving member, in particular to at least one pawl driver via at least one elastic coupling element, by means of which the driving torque can be transmitted to the crankshaft, the coupling link having two ends, wherein an end is in engagement with the driving member and another end with the cable sheave or the cable drum.

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: A two-cycle engine starting device comprises a support structure having a tool securement attached to a base, e.g., a tripod. The tool securement has a holding plate and at least one locking arrangement that temporarily holds a tool to the support structure. A cylinder is secured to the support structure, having a cylinder rod that extends and retracts in a linear motion. An actuation control operates the cylinder. As such, a two-cycle engine is started by positioning the tool on the tool securement so as to be temporarily held by at least one locking arrangement, slipping the starter rope handle into a handle holding mount at the distal end of the cylinder rod, and by operating the actuation control, thus causing the cylinder to extend the handle holding mount in a linear motion that pulls the starter rope with sufficient force to apply a starting force to start the tool.

Abstract: In a method for providing in a hand-held power tool electric energy for an engine control unit before start of an internal combustion engine of the power tool that is to be started by a rope starter, a voltage source is provided that generates electric energy electro-dynamically or photovoltaically before starting the internal combustion engine. The thus generated electric energy is stored in a rechargeable energy storage device arranged within the power tool. The electric energy stored in the energy storage device is supplied to the engine control unit upon first rope starter pull for start of the internal combustion engine. The device for performing the method has an electro-dynamic or photovoltaic voltage source and an energy storage device electrically conductingly connected to the voltage source, wherein the energy storage device has an output that is electrically conductingly connected to the engine control unit.

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: Flywheel starter pulley attachment apparatuses and methods are disclosed for a flywheel rotatable about an axis and a starter pulley rotatable about the same axis as the flywheel. One or more retainers can be provided to couple rotation of the starter pulley to the flywheel and/or a cooling fan element attached thereto. Each of the retainers can be configured for at least a portion of the retainer to pass through an opening in the starter pulley. Each retainer can include a body portion and a fin portion, the fin portion extending outwardly from the body portion. The fin portion can further include a protruding lip disposed between first and second edges of the fin portion, for example, forming an angle of from about 100° to about 180°. The protruding lip can be configured to engage the starter pulley when the retainer is positioned through the opening of the starter pulley to secure the starter pulley in place where rotational movement of the flywheel assembly can occur in either direction.

Abstract: In order to create a starting device for at least one combustion engine, more preferably cable-operated starting device for at least one two-stroke or four-stroke engine with at least one cable disc or cable drum rotatably mounted in a housing, which for generating a drive rotational moment for an engine shaft which by means of at least one starting handle or pulling handle via at least one force transmission means more preferably via a starting cable or pulling cable can be rotated and via at least one elastic coupling link is connected with at least one driving link more preferably with at least one pawl driver by means of which the drive rotational moment can be transmitted to the engine shaft, the coupling link has two ends, wherein an end is engaged with the driver link and another end with the cable disc or the cable drum, it is proposed through direct operational connection of force transmission means and elastic link/coupling link to configure preferably easily that another end of the coupling link is

Abstract: An engine starting system includes a recoil starter with a recoil rope having a mark formed thereon, defining a predetermined length of the recoil rope required to turn a crankshaft from a compression stroke top dead center position to a start-operation-initiating position suitable to start operation of a 4-stroke engine. A method of starting a 4-stroke engine includes steps of pulling the recoil rope to turn a crankshaft to an initial position where a piston is located near a compression stroke top dead center; pulling the recoil rope again to the position of the mark on the rope, to rotate the crankshaft from the initial position to a start-operation-initiating position; and pulling the recoil rope once again to further turn the crankshaft from the start-operation-initiating position suitable for starting the engine.

Abstract: An assemblable jerk handle for a lanyard cord including in one embodiment a base portion having a center channel with interior progressive teeth for receiving the lanyard cord and a cap portion for permanently snap-fitting to the base portion to securely grip and therefore retain the lanyard cord within the base portion. In another embodiment, the assemblable jerk handle comprises a base portion having a center channel positioned therethrough for receiving a bifurcated plug that receives the lanyard cord therein and forcibly closes about the lanyard cord to securely grip and therefore retain the lanyard cord within the base portion.

Abstract: A fixed pulley face of a drive V-pulley of a V-belt type continuously variable transmission includes a belt sliding contact disc having a conical belt sliding contact surface and fixed to a crankshaft so as to be integrally rotated, and a cooling fan fixed to the crankshaft so as to be integrally rotated in adjacent to a side surface opposite to the belt sliding contact surface of the belt sliding contact disc, and a starter driven gear is formed in an outer peripheral portion of the cooling fan.

Abstract: A low pressure, low cost electronic fuel injection system (18) for small hand-held two cycle engines (1) is provided which employs a number of improvements, including by way of example and not of limitation, an improved low cost injector construction (45), a throttle body integration (10) that includes mounting the operational components of the supply system on a single unit, an improved ignition module (40), a pressure regulated fuel system controlled by an electronic control unit (42) employing and an adaptive algorithm based on engine speed which controls the speed by varying the amount of fuel provided to the engine.

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 improved starter pull cord for an internal combustion engine having significantly increased stiffness, resistance to wear, and strength, the starter pull cord being comprised of rope having high modulus fibers selected from the group consisting of liquid crystal polymer (LCP), aramid, and high-modulus polyethylene (HMPE). The higher stiffness of the high modulus starter pull cords of the present invention translates to greater impetus during the act of pull starting the engine, which is apt to start more quickly than with starter pull cords of the prior art. The increased strength of the high modulus starter pull cords translates to fewer breakages over the lifetime of an engine and therefore increased reliability.

Abstract: A working apparatus has a start device arranged in a housing of the working apparatus. The start device comprises a starter grip for actuating the start device, which starter grip is connected to a starter rope. A safety device is provided for the starter grip.

Abstract: An internal combustion engine has a starter device, wherein the starter device has a drive member and a driven member and a locking mechanism for coupling the drive member and the driven member to one another for starting the internal combustion engine. The locking mechanism has at least one pawl that is pivotably supported on the driven member. For decoupling the drive member and the driven member, the at least one pawl is pivoted outwardly relative to an axis of rotation of the starter device. The at least one pawl has at least one pivot position in which the at least one pawl contacts at least one contact area of the driven member. The at least one pawl has at least one cover covering the at least one contact area.

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: The present invention relates to a method for starting an internal combustion engine using a starting device, an ignition spark from a spark plug of an internal combustion engine being controllable by the starting device as a function of the speed of the crankshaft, a progressive rise of the advance of the ignition angle before top dead center already being performed as a function of the crankshaft speed at low speeds below the idle speed, which is followed at rising crankshaft speed by a sudden drop of the advance of the ignition angle to a plateau of the idle speed range.

Abstract: A pull-start engine includes a crankcase unit, a pull-start unit, a gearbox unit, and a lubricating unit. The crankcase unit includes a crankcase and a crankshaft. The gearbox unit includes a gearbox and a drive shaft. The pull-start unit is sleeved fixedly on the crankshaft. A surrounding wall of the pull-start unit has an inner wall surface formed with an annular inner slot communicated with a lubricant passage in the crankshaft, an outer wall surface formed with a through hole communicated with the inner slot, and two annular flanges flanking the through hole so as to define an annular outer slot therebetween. The lubricating unit includes an entrance passage formed in the crankcase and communicated with the outer slot, and a connecting passage formed in the crankcase and the gearbox and communicated with the outer slot and a lubricant passage in the drive shaft.

Abstract: The invention entails a handle for a pull-rope starter of a drive motor, especially of a chain saw. The invention includes at least one handle section, at least one fastening section for a starter rope, and a damping for smoothing out force peaks produced in the handle during the starting of the drive motor. The damping is arranged in the handle section.

Abstract: A model engine starter assembly is provided which is capable of quickly relieving the engagement between the actuator and the coupling pin upon the start of the model engine and includes a starter shaft which carries a starter pin and defines a shaft axis, and a hub provided with a guide groove which is slanted at a predetermined angle with respect to the shaft axis. The hub has a bore in which a rearward end portion of the starter shaft is inserted for rotational movement relative to the hub. The starter pin is received within the slanted groove so as to move the starter shaft in the direction of the shaft axis in response to rotation of the shaft axis relative to the hub to thereby move an actuator attached to a forward end of the starter shaft into and out of engagement with a connecting pin of the model engine's crank shaft.

Abstract: In an engine, a cover member closing an opening in an engine block is integrally formed with supporting arms extending radially outwards beyond an outer periphery of a flywheel mounted on a crankshaft supported at its one end on the cover member, and a recoil starter located axially outside the flywheel is supported on the supporting arms. Thus, the recoils starter can be supported easily and reliably without provision of a special mounting bracket and a stay and while preventing the interference with the flywheel. Moreover, the coaxiality of the recoil starter and the crankshaft can be ensured.

Abstract: A starting device has a rotary drive member that is operable by hand or power devices. The device has a detented or geared strip arranged to engage with a similarly detented or geared starting wheel. The teeth of these parts are designed to grab and lock with each other in the starting direction and to slip past each other in the opposite direction. Crimping, sticking and other failure modes of conventional wind up rope units are virtually eliminated. A more consistent pull is afforded owing to a constant radius interface with the starter wheel rather than a diminishing radius of the type delivered by a wound rope.