Abstract: The invention relates to an anti-skid chain (1), in particular for forestry and agricultural vehicles. The anti-skid chain (1) is to permit high traction, while it has a low weight and can be easily mounted. It should simultaneously be permitted for driving on roads. To enable this, an anti-skid chain to be attached to two wheels with tires (2) disposed one behind the other at fixed distances, in particular for the two wheels of a tandem axle, is provided according to the invention. The anti-skid chain (1) comprises two lateral, laterally stable guide chains (4) which are located, in the mounted state, laterally of the tread (12) of the tires (2). Between the two guide chains (4), a chain mesh (14) with chain strands (15) extends. Preferably, the chain mesh is subdivided into ladder sections (16) which are only connected to each other via the guide chain (4). Joint points (9) of the guide chains are located in a radial position between the radius of the tire shoulder (12) and the tire center (13).

Abstract: The invention relates to a chain link for an anti-skid chain for vehicle tires, whereby protruding studs arranged on the chain link, and at least one stud is arranged on the lengthwise side of the chain link and the longitudinal central axis of the stud is inclined with respect to the central plane of the chain link. The chain link is thus implemented as either a drawn, milled or forged chain link. The invention further relates to an anti-skid chain that exhibits chain links according to the invention.

Abstract: A chain member assembly for a tire chain has a link having at least one receiving opening delimited by a wall and a ring member engaging the receiving opening. The wall of the receiving opening has at least in the contact area with the ring member at least two contact surfaces spaced apart from one another and a recessed wall section positioned between the at least two contact surfaces. The ring member has an inner side that rests areally against the at least two contact surfaces.

Abstract: A connecting and guide element for connecting a side mesh of a tire chain to a side tensioning strand and for accommodating an excess length of the tensioning strand, wherein the element has two eyes, which lie in a first plane for accommodating tensioning strand and excess length, and two eyes lying in a second plane running essentially orthogonally to the first plane for accommodating connecting links to the side mesh, and a tire chain in which the side mesh is connected by means of a side tensioning strand and a plurality of connecting and guide elements, and an excess length of the tensioning strand can be accommodated in one of the eyes of the elements.

Abstract: A snow chain (2) comprises an inner ring (3) designed to be closed on the side of the wheel destined to face toward the inside of the vehicle, an outer ring designed to be closed on the side of the wheel destined to face toward the outside of the vehicle and a series of portions of anti-skid chain (10, 10?) disposed on the tread of the tyre (1) of the wheel, which join the outer ring and the inner ring (3). The portions of chain (10, 10?) are chains with twisted links, connected to each other by means of joining elements (4) shaped as triangular links and connected to the inner ring (3) by means of an U-bolt connecting system (5).

Abstract: A system (5, 60) is described for connecting portions of chain (10) to the inner ring (3) of an anti-skid device (2). The portions of chain (10) comprise chains with twisted links (11). The connecting system (5, 60) comprises a U-bolt element (50) constrained to the inner ring (3) and an end link (60) of the portion of chain (10). The end link (60) has a twisted portion (61) connected to a twisted link (11) of the portion of chain (10) and a flat and straight portion (62) connected to the U-bolt element (50).

Abstract: Configurations and mounting procedures for vehicle tire chains, which enable easier mounting of the chain upon the wheel, including performing the complete installation in one stop of the vehicle, while providing strong stabilization against random high operating forces on the chain.

Abstract: A link member for tire chains has a link member body having at least one connecting opening for receiving additional chain members. The link member body has a tire contact part and a wear part, wherein the wear part has lateral studs and at least one central stud. The lateral studs are positioned on opposed sides of the at least one central stud. The at least one central stud projects past the lateral studs in a first and a second transverse directions extending transversely to a longitudinal center plane of the link member body such that the wear part, when viewed in a plan view, is approximately cruciform.

Abstract: A system (5, 60) is described for connecting portions of chain (10) to the inner ring (3) of an anti-skid device (2). The portions of chain (10) comprise chains with twisted links (11). The connecting system (5, 60) comprises a U-bolt element (50) constrained to the inner ring (3) and an end link (60) of the portion of chain (10). Said end link (60) has a twisted portion (61) connected to a twisted link (11) of the portion of chain (10) and a flat and straight portion (62) connected to the U-bolt element (50).

Abstract: A flexible system for winter traction products that allows for component repairability, interchangeability, customization and resizing, all without requiring tools. The key to this system is the provision of connectors which provide interconnection of multiple components whereby at least three points of connection on three components can be interconnected by the connectors. The interconnection of the points of connection by the connectors enable components to be interchanged within the assembly for establishing a desired style and fit of the tire chain to a variety of tire sizes and tire chain types.

Abstract: Configurations and installation methods for vehicle tire chains which provide tire chains especially easy to mount, and provide improvements in performance and vendor supply.

Abstract: A method and apparatus is provided for attaching a tire chain to a vehicle tire without necessarily crawling under the vehicle. Two members are connected to a tire chain. The members are then drawn together using a tensioning device, which allows connection of the tire chain.

Abstract: The present invention 10 discloses a tire 12 traction device having two 30-ink sections 14L, 14R joined at one distal end by an additional link 16 having an S-hook 18 and two more chain links 20 connected thereto. A threaded quick link locking device 26 couples both 30 link section 14L, 14R together. When the device 10 is installed on a truck tire 12, all distal ends 20, 28L, 28R are coupled to the quick link device 26, securing the chain traction system 10 to the tire 12. The present invention 10 provides an anti-skid device comprising a chain positioned over the tread of a truck tire 12 and fastened through an opening 30L, 30R in the wheel 32 and having a threaded closed locking member 26 for engaging ends of the traction member.

Abstract: A universal chain for wheels that is easy to install. It has a series of sections of chains to cover the tread of a tire as well as its inner and outer sidewalls. Each section comprises a number of transverse links caught by two lengths of chains placed radially along the shoulders and rigidified by arches so that the chain has a cambered form for ease of installation. On the inner shoulder the sections of chains are caught by hooks (34) that pass through a ring (36). The outer shoulder comprises an assembly part having two half-arches and an adjustable female male assembly (56) that locks with a preestablished tension and that may be unlocked when needed. This system allows using lengths of chains weighing 10 kilograms and having a certain rigidity. This type of chains is perfect for trucks driving on icy conditions and on hilly roads.

Abstract: An apparatus for preventing a slipping of a tire is disclosed.

Abstract: A tire chain for adding traction to a vehicle tire riding on snow and/or ice. The tire chain includes side members encircling the sides of the tires and cross members that extend across the tread from side member to side member. Securement devices secure the cross members to the side members. The securement devices include a hook shape defining an enclosure and an opening to the enclosure and a biasing member that spans the opening. The securement device is secured to one of the members and is snap locked onto the other member to enable manual removal of a selected one of the cross members for replacement.

Abstract: A releasing device for snow chains comprising an inner side portion (2) closable as a ring, suitable to be placed on an inner part of a tire (3), an outer side portion (4) suitable to be placed on an outer part of the tire (3), said portions being joined by variously composed elements (5) creating the tread traction, the releasing device comprising a closing device (8), for closure as a ring of the inner side portion (2) and an operating device (50), that can be operated by the user from the outside of the tire to open the closing device (8), the operating device (50) comprising protective members (53, 55) suitable to make it more stable and the closing device (8) being able to be opened manually even without the aid of the operating device.

Abstract: A link for a tire chain including a tread portion and flanking side-wall portions with at least the tread portion including vertically extending links, three or four of which are interconnected by horizontal connectors to form a mesh of a desired shape. The link includes a base portion, a medial portion and a head portion, with at least one traction member of a material that is relatively harder than the material of the link partially embedded in the head portion and partially exposed on the surface of the head portion. The traction member may be in the form of tungsten carbide buttons or plates secured in holes in the head portion of the link or may be in the form of a plurality of particles consolidated in a cemented compact or steel matrix that is secured to the head portion of the link, either by being cast or formed on the head portion or by being provided on a body that is weldable to the head portion.

Abstract: A snow chain structure includes an inboard flexible cable having an end provided with a male connector and another end provided with a female connector engageable with the male connector, a plurality of outboard flexible cables each having a first end connected with an end of one of the outboard flexible cables by a ring and a second end connected with another one of the outboard flexible cables by an attachment element, the attachment element being an elongated member having two holes each for engaging with an end of a positioning hook, one side of the attachment element being formed with a protuberance, two holes one at a side of the protuberance, and a stop at a bottom of the protuberance, a plurality of cross chains each having an end arranged on the inboard flexible cable and another end fixedly mounted on the outboard flexible cables.

Abstract: In an antiskid chain, a side holder has a closure for connecting the two free first and second ends of a shackle strand, each of which ends is provided with a thickened portion. The shackle strand can rest against the side of a vehicle tire and serves to fasten the running netting of the antiskid chain by means of fastening hooks. The closure is formed of a molded part which has a central, substantially plate-shaped portion, both of whose ends located opposite one another are bent toward the plate underside while forming an open, approximately cylindrical interior space. Tabs which are likewise bent downward from both longitudinal sides of the molded part are provided directly adjacent to the bend. Two tabs which are located opposite to one another are inclined approximately in a roof-shaped manner relative to one another in cross section. The molded part having a slit in the center in the longitudinal direction.

Abstract: A self-tensioning device for snow chains (2) for vehicles includes an outer element (3) closable in a ring, suitable to be placed on the outer side of the wheel (1), an inner element closable in a ring, suitable to be placed on the inner side of the wheel (1), inner and outer elements being joined by variously composed elements (10) creating the traction on the tread, the outer element having a terminal portion (7) passing through a non-return device (5) which makes it slide only in the chain tensioning direction and not in the opposite slackening direction, a storage block (20) containing an elastic element (21) able to hook, tension and retain the terminal portion (7) being provided on the outer ring.

Abstract: A net-like device which has plurality of crossed cords or straps that are attached to the outer surface of a vehicle tire. A suction cup is attached where the cords or straps cross each other in order to increase the traction of the vehicle tire.

Abstract: The log feeding device includes a feeding wheel that has an upper side portion axially from a lower side portion and a rim extending therebetween. The side portions extend outwardly and laterally from the wheel. An elastic tire is mounted on the rim of the wheel between the upper and lower side portions. A flexible net is attached to the upper and lower side portions and is conformable to the shape of the elastic tire. The flexible net includes a plurality of chain strings that are attached to the side portions at connection points. Each chain string has one end attached to an upper connection point and an opposite end attached to a lower connection point so that there is a diagonal straight distance between the upper and lower connection points. One set of the chain strings forms an angle A relative to one side of the longitudinal axis and the other set forms the same angle A relative an opposite side of the longitudinal axis of the wheel.

Abstract: A tire chain ramp member in cooperation with a tire chain assembly is arranged to receive the cross link portion of the tire chain within a groove directed into the top wall of the ramp structure. The ramp top wall accommodates a tire member thereon to permit case of mounting of the tire chain assembly relative to the vehicle tire, wherein subsequently the vehicle is driven from the ramp.

Abstract: An anti-skid device for vehicles comprising a plurality of chain strands fastened to a holder which can be set in a rotational movement by means of the wheel of a vehicle against which the holder can be moved an pressed by a carrier. To move the carrier, a drive unit is used which can be operated by compressed gas. The compressed gas is delivered by a gas reservoir formed by at least one exchangeable compressed-gas cartridge which can be opened and connected to a gas pipe leading to the drive unit by means of a device in the driver's cab of the vehicle comprising a lever and a plunger for actuating a hollow needle piercing through he seal of the compressed-gas cartridge.

Abstract: A stud link is provided for a tire protection and/or antiskid chain, and includes a link body having at least one attachment opening for chain links that are to be attached to the stud link. The link body also has a wear portion that is provided with at least two recesses disposed next to one another on sides of the link body, with the recesses being spaced from one another in a longitudinal direction of the link body. At least a portion of the recesses have a groove-like configuration and extend at an angle relative to a transverse central plane of the link body.

Abstract: A stud-like link and tire chain using same. Each stud-like link has at least two link portions that extend at an angle to one another. The tire chain has an outer and inner portion that are interconnected by a surface contact portion that at least in part comprises such stud-like links. At least one of the link portions of the stud-like link extends at an angle to the circumferential direction of the surface contact portion of the chain.

Abstract: In the several embodiments, the tire chain, and a method of installing a tire chain in which a line extends from each of the opposite ends of the portion of the tire chain that encircles the inside of a tire. In a preferred embodiment, the two lines cross the treaded portion of the tire diagonally, so that one line crosses the other, and are connected to the portion of the tire chains that encircle the outside of the tire. Preferably, the two lines are connected to each other at the point where they cross, which is about at the center of the treaded surface of the tire.

Abstract: In a preferably edge-hardened or case-hardened stud link for tire chains, to increase the link surface a plurality of troughs (10) which are open on only two sides is arranged on the side faces (8, 9) of the ground-facing link part (1). The troughs (10) arranged in the region of the side faces (8, 9) can be supplemented by troughs (13) designed to resemble blind holes, which are arranged in the region of the contact face (11) and are open on only one side and which form chambers for receiving highly abrasive rock grains exerting a wear-inhibiting effect.

Abstract: A chain mesh for easy installation comprises a plurality of running lengths of chain. In one embodiment a plurality of vertical running lengths are positioned in parallel spaced relationship. A plurality of substantially horizontal running lengths are then positioned closely adjacent the plurality of vertical running lengths, and then the points of crossing are interconnected by connecting links therebetween. Each connecting link is normally open, and then closed after being installed between a respective vertical link and a close horizontal link. The connecting links permit a flexibility between the vertical and the horizontal chains, but substantially retain the cross parallel chains in such relationship. This crossed relationship may have the respective plurality of chains substantially perpendicular to each other, or they may be at an oblique angle to each other.

Abstract: A helical cable tire chain having a series of small multi-angular metal traction sleeves, a series of rubber rings, which are supported on a helical cable when it is attached to a tire so that the chain enhances the traction and gripping power on ice or snow.

Abstract: A chain-carrying pulley (1) is journalled on a shaft (3) fastened to an arm (4) pivotally connected to another arm (5) which in turn is rigidly fastened to the rear axle casing (6) of a vehicle. An inflatable bellows (7) extends between the arms. When inflated, for instance by pressurized air, the bellows displaces the movable arm (4) from a folded position relative to arm (5) bringing the pulley (1) into contact with the wheel. The pulley is returned to a storage position by springs (10) joined to the arms when the bellows is deflated.

Abstract: A chain net comprises a plurality of warp strands (1.1) with mutually equal links (1.2) which at intersections lock round links (1.5) of weft strands (1.4) having mutually equal links. The links of the warp strands have dimensions such that they first allow the insertion of weft strands and, after plastic or elastic deformation, lock links of the weft strands. The plastic deformation is provided by elongating the warp strands. The elastic deformation is provided by the warp strand links being first expanded to allow the insertion of weft strands, after which the warp links are elastically re-deformed for locking round weft links.

Abstract: An improved passenger car tire chain employing heat treated medium carbon steel is disclosed. The improved tire chain is approximately twice as durable as that presently furnished to meet NACM-5179(TC) for Type PL chains when AISI 1026 or 1029 carbon steel is employed at least for links of a cross chain meeting the road surface. The cross chain links are closed by welding prepared abutting link ends which have been previously beveled. After being welded closed, the cross chain links are case hardened, quenched, tempered and air cooled. The improved tire chain is then assembled in a conventional manner to include a pair of side members, fastening means to secure a end of each side member to the other end, and a plurality of cross chains extending between the sidewall members at preselected intervals.

Abstract: A cast, low density metal disk for anti-skid devices which has a periphery of sufficiently small width that when it contacts the wet side wall of a tire on a vehicle it spreads the film of water to each side and leaves an essentially dry area of contact between the disk and the tire instead of hydroplaning on it. The periphery preferably is covered with an anti-skid material, e.g., rubber. Chains are pre-turned or twisted in the same direction a tire tends to turn them when rolling over them to avoid further twisting with consequent shortening in use and they are given a non-circular, e.g., square cross section to increase their anti-skid properties. The chains are welded at one end to a steel ring which is removably fastened to the under surface of a disk by bolts.

Abstract: A tire and antiskid net for vehicle tires, particularly for tires of heavy earth moving machines, has a plurality of vertical members arranged to extend substantially normally to a tire surface, a plurality of ring-shaped connecting members of a limited length engaging the vertical members and arranged to extend substantially parallel to the tire surface, and a plurality of sleeve-shaped closure members fitted onto the ends of each connecting member in their abutting position so as to hold together the abutting ends of each of the connecting members.

Abstract: An antislip tire chain has provided therewith an inner part and an outer part joined together by a tread part. The inner part includes a fastener formed by a fastener member and a counter fastener member. An introduction opening of the fastener member is open in a direction towards the counter fastener member; via a guide portion extending transversely of the insertion direction of the counter fastener member, the fastener member is joined to an attachment or securing opening. In a region between the introduction opening and the attachment opening, which lies transversely of the guide portion, there is a securing element for the engaged counter fastener member. The fastener can be easily closed, the counter fastener member being reliably secured against unintentional release.

Abstract: A tire chain comprising two-spaced parallel side chains, a plurality of cross chains joining the side chains at spaced intervals, a plurality of spaced junction links in each side chain, wherein each junction link has areas of reduced thickness and a hook element on each end of each cross chain for connecting to one of the junction links. Each hook element consists of a bight and two-spaced hooks which are transverse to the plane of the bight having free ends which overlie the bight and which are spaced from the bight a distance which is less than the thickness of the junction link and greater than the thickness of the areas of reduced thickness to permit the entry of the junction link into the hooks of the hook element.

Abstract: In tire chains, closures are required to lock tension-chain lines (10) in the tensioned position. A proposed closure is provided with a pull-through orifice (2) for the tension-chain line (10) and with a locking slot (3) adjacent to the pull-through orifice (2). To prevent the particular chain link (9) suspended in the locking slot (3) from working loose, the pull-through orifice (2) is equipped with an elastic insert (11) which forms at least one engagement cam projecting into the locking slot (3).

Abstract: A stud arrangement on casehardened studded chains for motor vehicles, wherein the studs consist of a steel body which is permanently welded to a chain link and provided with a centrally disposed hard metal pin. The hard metal pin is inserted into the steel body such that it is covered on all sides by steel material of a thickness which at least corresponds to the casehardening penetration depth. In a method for producing such studded chains, an inwardly converging blind hole is cut out from one end of the steel body. The hard metal pin, of a shape corresponding to the conical hole, is forced into the hole, the pin being shorter than the blind hole so that a skirt is formed outside the pin. The edge of the skirt is beveled, and the steel body with the metal pin therein is joined to the chain by resistance welding in a machine for welding studs onto chain links, the body with the pin being moved gradually toward the chain link as the beveled edge melts and flows radially outwards.

Abstract: At the nodal points of the chain net in a tire chain, components (1) are provided which have at least one T-shaped section, the transverse bar (3,4) of which forms holding arms (5) for chain links (6) to be hung in; in these components, the ends, forming locking pins (9), of a closure element (8) mounted in a bore (7) in the middle of the longitudinal bar of the T-shaped section serve to secure the chain links (6) hung into the hook-shaped holding arms (5) (FIG. 1).

Abstract: A self-adjusting easy on tire chain for use on automotive or similar vehicle tires consists of a chain having a spacing and alignment bar with a fastener for securing the chain in the proper position on a tire.

Abstract: Chain links for anti-skid chains, integrating cross chain end attachment with side member sections is disclosed. Fastening devices attached to opposite ends of the inner side member and extended to the outer side member thereby forming an additional cross member is provided. Leader devices for the extension are also disclosed. Binder devices for the outer side member are disclosed. A flagging device for chain orientation is further disclosed.

Abstract: A vehicle tire chain which will fit different size tires and can be installed without moving the vehicle wheel, a single adjustable tension member acting to accommodate the tire chain to different size tires and wheels.

Abstract: A tire-slip preventing device or "chain" for a vehicle tire comprise a ladder-like arrangement of cross belts attached to two parallel cords. The belts and cords are made from an easily deformable material so that the device may be wrapped around a tire. Rotatable discs are mounted at each end of each cross belt between the cross belts and the side walls of the tire to reduce wear on the side walls as the belts move relative thereto. The cross belts may be permanently attached to both parallel cords, or permanently attached at one end to one cord and detachably attached at the other end to the other cord.

Abstract: This connector comprises a bar shaped frame part and a U-shaped frame part that fits over and is slidable relatively one to another on the bar shaped parts. One frame part has in it a slot that extends lengthwise therein and has ratchet teeth that extend into the slot and the other part carries a pin that can engage with the teeth like a pawl to lock the two parts against relative movement in one direction. The two frame parts are connected with each other by elastic rubber tension members which yieldingly urge the frame parts toward a retracted position. Non-skid tire chains equipped with these connectors can be applied to tires without jacking up the wheels and the connectors will tighten the chains and hold them tight as soon as the wheel begins to move. Also, we disclose a non-skid assembly having traction pads of flat pliable material and provided on their outer surfaces with knobs and cups to resist skids.

Abstract: A non-skid device for vehicle wheels having a pair of cables, one for each side of the wheel, with positioning nipples fixed at intermediate points of the cables and stop nipples at each end of each cable. A plurality of elastic anti-skid members are provided having a safety hook on each end. The hook at each end of each anti-skid member is attached to one of the cables at a point adjacent a nipple and a hook of one of the members connects the end of a cable together at a stop member.