A tensioning rail (2) for tensioning an endlessly circulating tensioner (4) is provided, wherein the tensioning rail (2) for tensioning the ternsioner (4) is curved in a longitudinal direction (L), the tensioning rail (2) has a base wall (6) and two jaws (8) protruding from the base wall (6), and the tensioning rail (2) has at least one U-shaped profiled segment (10) and a T-shaped profiled segment (12), which are each formed by the base wall (6) and the jaws (8), wherein the tensioning rail (2) includes a guiding element (14) for a rotary bearing (16) in the U-shaped profiled segment (10) and a guiding element (18) for a contact bearing (20) in the T-shaped profiled segment (12).

A tensioning rail (2) for tensioning an endlessly circulating tensioner (4) is provided, wherein the tensioning rail (2) for tensioning the ternsioner (4) is curved in a longitudinal direction (L), the tensioning rail (2) has a base wall (6) and two jaws (8) protruding from the base wall (6), and the tensioning rail (2) has at least one U-shaped profiled segment (10) and a T-shaped profiled segment (12), which are each formed by the base wall (6) and the jaws (8), wherein the tensioning rail (2) includes a guiding element (14) for a rotary bearing (16) in the U-shaped profiled segment (10) and a guiding element (18) for a contact bearing (20) in the T-shaped profiled segment (12).

The present disclosure relates to a chain guide structure including a guide supporter integrally formed with a chain case and provided with at least a plurality of assembly holes, and a guide body having at least a plurality of assembly protrusions which correspond to the assembly holes for being coupled with the guide supporter, wherein the guide body is provided with a guide wall that is inserted into a space between the guide supporter and a chain. As a result, It is possible to reduce the constituent elements such as bolts, save manufacturing cost, simplify the chain guide structure, and reduce weight or size of the chain guide structure.

The present disclosure relates to a chain guide structure including a guide supporter integrally formed with a chain case and provided with at least a plurality of assembly holes, and a guide body having at least a plurality of assembly protrusions which correspond to the assembly holes for being coupled with the guide supporter, wherein the guide body is provided with a guide wall that is inserted into a space between the guide supporter and a chain. As a result, It is possible to reduce the constituent elements such as bolts, save manufacturing cost, simplify the chain guide structure, and reduce weight or size of the chain guide structure.

A chain tensioning device which combats natural build-up of chain slack. In controlling the chain slack, the torque at which a chain jumps occurs is delayed resulting in a higher jump torque performance.

A chain tensioning device which combats natural build-up of chain slack. In controlling the chain slack, the torque at which a chain jumps occurs is delayed resulting in a higher jump torque performance.

A tooth jump protection device is used to control chain slack and delay the torque at which chain jump occurs, thus increasing jump torque performance. The tooth jump protection device is preferably mounted to the transfer case.

A tooth jump protection device is used to control chain slack and delay the torque at which chain jump occurs, thus increasing jump torque performance. The tooth jump protection device is preferably mounted to the transfer case.

An object of the present invention is to provide a chain guide mechanism that can readily integrate all the components in a simple structure and enhance work efficiency during assembly or maintenance. The chain guide mechanism of the present invention is configured to be able to integrally support, on a frame, components including a plurality of sprockets, a chain, a fixed chain guide, and a pivoting chain guide. The frame includes a pivoting chain guide holding part that holds a mounting boss of the pivoting chain guide in a state of a loose fit. The pivoting chain guide holding part is configured to allow the mounting boss to be fitted therethrough from one side.

An object of the present invention is to provide a chain guide mechanism that can readily integrate all the components in a simple structure and enhance work efficiency during assembly or maintenance. The chain guide mechanism of the present invention is configured to be able to integrally support, on a frame, components including a plurality of sprockets, a chain, a fixed chain guide, and a pivoting chain guide. The frame includes a pivoting chain guide holding part that holds a mounting boss of the pivoting chain guide in a state of a loose fit. The pivoting chain guide holding part is configured to allow the mounting boss to be fitted therethrough from one side.