Provided are an elastic crawler and a crawler-type travel device in which wheel detachment and edge cut are unlikely to occur even when performing operations inside a large cylindrical structure or on a ground surface that is highly curved. An elastic crawler (1) has a crawler body (2) comprising an endless elastic body depressed by roller wheels having left and right tread surfaces, a plurality of lugs (4) being disposed on the ground-contact surface (7) of the crawler body (2). On one side portion in relation to the center position in the crawler width direction on the ground-contact surface side of the crawler body (2), outward of a tread surface (11c) which is the inner side of the roller wheels in the crawler width direction, toward the vicinity of one side end edge in the crawler width direction from a position within a range inward of a tread surface (11a) which is the outer side, a distance (dp) in the height direction of the tread surface (11a) which is the outer side is gradually reduced, whereby an inclined surface (7a) is formed such that the crawler thickness is gradually reduced, and due to this configuration, the inclined surface does not contact the ground when travelling on a flat surface.

Provided are an elastic crawler and a crawler-type travel device in which wheel detachment and edge cut are unlikely to occur even when performing operations inside a large cylindrical structure or on a ground surface that is highly curved. An elastic crawler (1) has a crawler body (2) comprising an endless elastic body depressed by roller wheels having left and right tread surfaces, a plurality of lugs (4) being disposed on the ground-contact surface (7) of the crawler body (2). On one side portion in relation to the center position in the crawler width direction on the ground-contact surface side of the crawler body (2), outward of a tread surface (11c) which is the inner side of the roller wheels in the crawler width direction, toward the vicinity of one side end edge in the crawler width direction from a position within a range inward of a tread surface (11a) which is the outer side, a distance (dp) in the height direction of the tread surface (11a) which is the outer side is gradually reduced, whereby an inclined surface (7a) is formed such that the crawler thickness is gradually reduced, and due to this configuration, the inclined surface does not contact the ground when travelling on a flat surface.

A tracked vehicle with a chassis comprising an upper frame structure connected to a lower frame structure, the lower frame structure spanning a longitudinal distance along a longitudinal direction of the vehicle, wherein over a first portion of the longitudinal distance, the lower frame structure overlaps with the upper frame structure and wherein over a second portion of the longitudinal distance, the lower frame structure does not overlap with the upper frame structure. The tracked vehicle may also comprise an operator cabin, power plant mounted to the upper frame structure and a plurality of track assemblies for traction of the tracked vehicle. Each track assembly is mounted to the lower frame structure of the chassis and comprises a drive wheel; an end wheel; and a plurality of support wheels therebetween; and an endless track disposed around the plurality of wheels for engaging a ground on which the tracked vehicle travels.

A tracked vehicle with a chassis comprising an upper frame structure connected to a lower frame structure, the lower frame structure spanning a longitudinal distance along a longitudinal direction of the vehicle, wherein over a first portion of the longitudinal distance, the lower frame structure overlaps with the upper frame structure and wherein over a second portion of the longitudinal distance, the lower frame structure does not overlap with the upper frame structure. The tracked vehicle may also comprise an operator cabin, power plant mounted to the upper frame structure and a plurality of track assemblies for traction of the tracked vehicle. Each track assembly is mounted to the lower frame structure of the chassis and comprises a drive wheel; an end wheel; and a plurality of support wheels therebetween; and an endless track disposed around the plurality of wheels for engaging a ground on which the tracked vehicle travels.

Track for a tracked vehicle comprising an outside face, which, in use, is in contact with the ground while the tracked vehicle moves forward; an internal face on the back side of the outside face and which, in use, is not in contact with the ground; a first lateral end which, in use, is faced to the outside of the tracked vehicle; a second lateral end which, in use, is faced to the inner side of the tracked vehicle; wherein the track comprises: at least a first belt which is configured to be wound on a rear wheel and a front wheel and extending to a forward direction; a plurality of crosslinks transverse to the forward direction connected to at least the first belt and along the outside face of the track; a guide assembly connected along the inner face of the track and configured to define a seat assembly for the front wheel and the rear wheel; and cutting devices fixed along the inner face of the track and wherein the distance between the cutting device and the first end is smaller than the distance between the guide assembly and the first end.

Track for a tracked vehicle comprising an outside face, which, in use, is in contact with the ground while the tracked vehicle moves forward; an internal face on the back side of the outside face and which, in use, is not in contact with the ground; a first lateral end which, in use, is faced to the outside of the tracked vehicle; a second lateral end which, in use, is faced to the inner side of the tracked vehicle; wherein the track comprises: at least a first belt which is configured to be wound on a rear wheel and a front wheel and extending to a forward direction; a plurality of crosslinks transverse to the forward direction connected to at least the first belt and along the outside face of the track; a guide assembly connected along the inner face of the track and configured to define a seat assembly for the front wheel and the rear wheel; and cutting devices fixed along the inner face of the track and wherein the distance between the cutting device and the first end is smaller than the distance between the guide assembly and the first end.

A tracked vehicle with a chassis comprising an upper frame structure connected to a lower frame structure, the lower frame structure spanning a longitudinal distance along a longitudinal direction of the vehicle, wherein over a first portion of the longitudinal distance, the lower frame structure overlaps with the upper frame structure and wherein over a second portion of the longitudinal distance, the lower frame structure does not overlap with the upper frame structure. The tracked vehicle may also comprise an operator cabin, power plant mounted to the upper frame structure and a plurality of track assemblies for traction of the tracked vehicle. Each track assembly is mounted to the lower frame structure of the chassis and comprises a drive wheel; an end wheel; and a plurality of support wheels therebetween; and an endless track disposed around the plurality of wheels for engaging a ground on which the tracked vehicle travels.

A tracked vehicle with a chassis comprising an upper frame structure connected to a lower frame structure, the lower frame structure spanning a longitudinal distance along a longitudinal direction of the vehicle, wherein over a first portion of the longitudinal distance, the lower frame structure overlaps with the upper frame structure and wherein over a second portion of the longitudinal distance, the lower frame structure does not overlap with the upper frame structure. The tracked vehicle may also comprise an operator cabin, power plant mounted to the upper frame structure and a plurality of track assemblies for traction of the tracked vehicle. Each track assembly is mounted to the lower frame structure of the chassis and comprises a drive wheel; an end wheel; and a plurality of support wheels therebetween; and an endless track disposed around the plurality of wheels for engaging a ground on which the tracked vehicle travels.

A device for attaching a crawler track member of a crawler track to a crawler belt of the crawler track having a press-in element and a connection element, wherein the press-in element comprises a main body having a continuous opening, wherein when the press-in element is arranged on the crawler belt, the connection element for connecting the crawler track member to the crawler belt engages through the continuous opening. The device is characterized in that the press-in element comprises multiple holding elements projecting from the main body, wherein the holding elements are configured in such a manner that when they are arranged on the crawler belt they penetrate multiple material layers of the crawler belt, in that the holding elements displace material of the material layers, in particular transversely to the penetration direction.

Provided is a rubber crawler including a guide rubber that is reduced in heat generation and excellent in abrasion resistance and an inner peripheral rubber that is excellent in scratch resistance and abrasion resistance and having excellent adhesiveness between the guide rubber and the inner peripheral rubber. The rubber crawler of the present invention includes a guide rubber obtained by crosslinking a guide rubber composition and an inner peripheral rubber obtained by crosslinking an inner peripheral rubber composition, the guide rubber composition containing a rubber component (A) and a carbon black (B), the rubber component (A) containing a butadiene rubber and at least one selected from a natural rubber and isoprene rubber, and containing 50 to 80% by mass of the natural rubber and the isoprene rubber and 20 to 50% by mass of the butadiene rubber, the carbon black (B) containing a carbon black (B-1) having an N.sub.2SA of 60 to 125 m.sup.2/g and a DBP absorption of less than 130 mL/100 g and a carbon black (B-2) having an N.sub.2SA of less than 60 m.sup.2/g and a DBP absorption of 110 mL/100 g or more, and a total content of the carbon black (B-1) and the carbon black (B-2) is 25 to 65 parts by mass based on 100 parts by mass of the rubber component; the inner peripheral rubber composition containing a rubber component (a) and a carbon black (b), the rubber component (a) containing 60 to 100% by mass of SBR and 0 to 40% by mass of a diene-based rubber other than the styrene-butadiene rubber, and a carbon black in an amount of 50 to 70 parts by mass based on 100 parts by mass of the rubber component.