Abstract: A headrest stay includes a detachment prevention slot portion formed in a rod-shaped leg portion, the detachment prevention slot portion being recessed toward a center side of the leg portion, the lock portion being configured to enter into the detachment prevention slot portion, and the detachment prevention slot portion including: a first flat face portion that faces a lower side; and a second flat face portion that faces an upper side, the second flat face portion including: an opposing portion that opposes the first flat face portion; and a region that, in a vertical sectional diagram cut along the axial direction of the leg portion, is disposed at an outer peripheral side of the leg portion relative to the first flat face portion.

Abstract: An exhaust device for a combustion engine includes a collecting pipe to which downstream end portions of two exhaust pipes are connected. The downstream end portions of the exhaust pipes are aligned in a lateral direction perpendicular to an axial direction thereof. The downstream end portions of the exhaust pipes have insertion sections that are inserted into an upstream end portion of the collecting pipe. The upstream end portion of the collecting pipe has a cover section that covers the entirety of circumferences of the insertion sections. Outer circumferential surfaces of the insertion sections of the exhaust pipes and an inner circumferential surface of the cover section of the collecting pipe are joined over the entirety of circumferences thereof at a collecting pipe joining region. The collecting pipe joining region has a displacement portion having its position shifted in the axial direction C toward the lateral direction W.

Abstract: An exhaust device for a combustion engine includes a collecting pipe to which downstream end portions of two exhaust pipes are connected. The downstream end portions of the exhaust pipes are aligned in a lateral direction perpendicular to an axial direction thereof. The downstream end portions of the exhaust pipes have insertion sections that are inserted into an upstream end portion of the collecting pipe. The upstream end portion of the collecting pipe has a cover section that covers the entirety of circumferences of the insertion sections. Outer circumferential surfaces of the insertion sections of the exhaust pipes and an inner circumferential surface of the cover section of the collecting pipe are joined over the entirety of circumferences thereof at a collecting pipe joining region. The collecting pipe joining region has a displacement portion having its position shifted in the axial direction C toward the lateral direction W.

Abstract: A breather structure is for an engine of a vehicle provided with a V-belt type continuously variable transmission. The engine includes a crankcase having a crank chamber and a gear transmission chamber, and a V-belt transmission case housing the V-belt type continuously variable transmission, the V-belt transmission case being fastened to an attachment surface on one side of the crankcase in the crankshaft direction. A breather chamber is formed in a mating part between the attachment surface of the crankcase and an attached surface of the V-belt transmission case. This breather chamber separates the air containing oil mist in the crankcase into a gas component and an oil component, discharges the gas component to the exterior of the crankcase, and returns the oil component to the interior of the transmission chamber.

Abstract: A lubricating oil feeding structure of an engine includes an oil pump provided in a crankcase for pressurizing and feeding oil in an oil reservoir, an oil filter provided in an outer peripheral wall of the crankcase for purifying the oil fed from the oil pump, and an oil cooler provided in a cover member covering an end of the crankcase in the crankshaft direction for cooling the oil sent from the oil filter. Preferably, the cover member is a generator cover, and the oil cooler is arranged on the outer side in the radial direction of a rotor of the generator.

Abstract: A pick-up type utility vehicle with an expandable cargo bed. The pick-up type utility vehicle includes a front seat, a rear seat; a cargo bed, and a screen separating the rear seat and the cargo bed. The pick-up type utility vehicle further includes an operating part for moving the screen, and a movement mechanism moving the screen in the front and back direction by operation of the operating part.

Abstract: An engine includes a case member, a guide member disposed so as to make contact with an endless transmission belt, one end section of the guide member being swingably supported on the case member and the other end section of the guide member a free end, and a chain tensioner for pressing the free end of the guide member to apply tension to the endless transmission belt. The chain tensioner includes an accommodating concave section disposed in the case member, wherein an outer side of the accommodating concave section in a direction parallel to the axis of rotation of the drive shaft has an opening section, and also includes an elastic member being accommodated in the accommodating concave section to press the guide member and a lid member covering the opening section of the accommodating concave section in the direction of the axis of rotation of the drive shaft.

Abstract: A center line of a cylinder of an engine of the present invention is inclined by an inclination angle of 60° or more relative to a vertical direction. The engine is provided with a first oil communication hole or opening providing communication between a crank chamber and a rotor housing chamber so as to distribute oil, and a second oil communication hole or opening providing communication between the rotor housing chamber and a transmission chamber so as to distribute the oil. The second oil communication hole opening is arranged at a position where the oil remains in an oil pan when the vehicle is inclined.

Abstract: A pick-up style utility vehicle with an expandable cargo bed, including a stationary cargo bed part serving as a bottom face and a side face of the cargo bed, a movable cargo bed part serving as the bottom face and the side face of the expanded cargo bed, and a cargo bed support mechanism for supporting the movable cargo bed part at a normal position and an expansion position set on the rear side of the normal position.

Abstract: An engine which can easily cool oil within an oil circulation path. The oil circulation path includes an oil reservoir, an oil pump for sucking oil from the oil reservoir so as to pressurize the oil, an oil supplying oil passage conducting the oil from the oil pump to each of lubrication points, and an oil returning oil passage for returning the oil to the oil reservoir from the lubrication points. The cooling fluid path includes a cooling fluid pump, and a cooling fluid passage for supplying the cooling fluid, which conducts the cooling fluid from the cooling fluid pump to the cooling points. The oil passage and the cooling fluid passage come into contact with each other at one or more points of the engine main body so as to be heat exchangeable via a partition wall.

Abstract: An engine equipped with a drive rotation member secured to a drive shaft journaled on a case member; a driven rotation member secured to a driven shaft journaled on the case member; an endless transmission belt wound between the drive rotation member and the driven rotation member; a guide member disposed so as to make contact with the endless transmission belt, one end section of which is swingably supported on the case member and the other end section of which is a free end; and a chain tensioner for pressing the free end of the guide member to apply tension to the endless transmission belt, wherein the chain tensioner has an accommodating concave section disposed in the case member and having an opening section on the outside in the direction of the drive shaft; an elastic member passing through the opening section and being accommodated in the accommodating concave section to press the guide member toward the endless transmission belt; and a lid member for covering the opening section of the accommodating

Abstract: A lubricating oil feeding structure of an engine includes an oil pump provided in a crankcase for pressurizing and feeding oil in an oil reservoir, an oil filter provided in an outer peripheral wall of the crankcase for purifying the oil fed from the oil pump, and an oil cooler provided in a cover member covering an end of the crankcase in the crankshaft direction for cooling the oil sent from the oil filter. Preferably, the cover member is a generator cover, and the oil cooler is arranged on the outer side in the radial direction of a rotor of the generator.

Abstract: An engine with a centrifugal clutch which can efficiently cool and lubricate the centrifugal clutch. The engine supports a pair of journal portions of a crankshaft by a bearing such as a ball bearing, a roller bearing, or the like, as well as a bearing metal. There is provided first oil supplying means formed in the crankshaft. The first oil supplying means has an oil passage for the first oil supplying means which is communicated with a main oil passage through an oil hole formed in the bearing metal and extends through a fitting portion of a crankpin to reach the centrifugal clutch.

Abstract: A pick-up type utility vehicle with an expandable cargo bed, comprises a front seat, a rear seat; the cargo bed, and a screen separating between the rear seat and the cargo bed, on the chassis, the pick-up type utility vehicle further comprising an operating part for moving the screen, and a movement mechanism moving the screen toward the front and back direction by operation of the operating part.

Abstract: The present invention is a pick-up style utility vehicle with an expandable cargo bed, including a stationary cargo bed part serving as a bottom face and a side face of the cargo bed, a movable cargo bed part serving as the bottom face and the side face of the expanded cargo bed, and a cargo bed support mechanism for supporting the movable cargo bed part at a normal position and an expansion position set on the rear side of the normal position.

Abstract: The present invention relates to an engine for a vehicle, particularly a breather structure in an engine for a vehicle provided with a V-belt type continuously variable transmission. The engine includes a crankcase having a crank chamber and a gear transmission chamber, and a V-belt transmission case housing the V-belt type continuously variable transmission, the V-belt transmission case being fastened to an attachment surface on one side of the crankcase in the crankshaft direction. A breather chamber is formed in a mating part between the attachment surface of the crankcase and an attached surface of the V-belt transmission case. This breather chamber separates the air containing oil mist in the crankcase into a gas component and an oil component, discharges the gas component to the exterior of the crankcase, and returns the oil component to the interior of the transmission chamber.

Abstract: A straddle-type four wheeled vehicle according to the present invention includes: a gear-type transmission capable of switching forward/backward traveling gears; a change drum, which is disposed substantially in parallel to a crankshaft of an engine and is turned at every predetermined angle to thus change the gear of the gear-type transmission; and a reverse lock device. The reverse lock device has: a stopper rotated integrally with the change drum; a reverse lock pin disposed substantially perpendicularly to an axial direction of the change drum and capable of moving in a direction of a pin length between a lock position, at which the reverse lock pin is locked to the stopper so as to prevent the change drum from being rotated to a backward traveling position, and an unlock position, at which the reverse lock pin is unlocked from the stopper; and an unlocking transmission mechanism for moving the reverse lock pin to the unlock position.

Abstract: The present air cleaner includes: a cleaner case having a bottom wall, a circumferential side wall provided with an air inlet in its lower part, and a support wall formed on the bottom wall inside the circumferential side wall; and a cylindrical cleaner element supported on an upper end portion of the support wall. An air chamber is defined by the cleaner case, the support wall, and the cleaner element so as to surround the cleaner element and the support wall. A bottom of the cleaner element is inclined at an angle to the bottom wall of the cleaner case so that a distance between the bottom wall of the cleaner case and the bottom of the cleaner element increases from a side opposite to the air inlet toward an air inlet side.

Abstract: The present invention provides an engine with a centrifugal clutch which can efficiently cool and lubricate the centrifugal clutch. The engine according to the present invention supports a pair of journal portions of a crankshaft by a bearing such as a ball bearing, a roller bearing, or the like, as well as a bearing metal. There is provided first oil supplying means formed in the crankshaft. The first oil supplying means has an oil passage for the first oil supplying means which is communicated with a main oil passage through an oil hole formed in the bearing metal and extends through a fitting portion of a crankpin to reach the centrifugal clutch.

Abstract: A center line of a cylinder of an engine of the present invention is inclined by an inclination angle of 60° or more relative to a vertical direction. The engine is provided with a first oil communication hole or opening providing communication between a crank chamber and a rotor housing chamber so as to distribute oil, and a second oil communication hole or opening providing communication between the rotor housing chamber and a transmission chamber so as to distribute the oil. The second oil communication hole opening is arranged at a position where the oil remains in an oil pan when the vehicle is inclined.