495results about "Chain links" patented technology

Joint assemblies are useful for connecting one structure to another structure. When the various structures deflect or bend, edge loading occurs therebetween. The subject joint assembly includes a pin positioned between a first and second structure. An insert is free floating positioned around the pin for contacting either of the first or second structures. A crown shaped surface is utilized on the insert at a substantially central location therealong. The crown shaped surface directs forces to the center of the insert to reduce edge loading.

A link for a toy ammunition chain made up of a plurality of links hinged together side-by-side in articulated fashion includes a cylindrical body adapted to receive a soft projectile. A first hinge component extends laterally from the body and has a pair of hinge pins. A second hinge component extends laterally from the body at a position opposite the first hinge component and has a pair of recesses each for pivotally receiving a hinge pin of an adjacent link in the chain.

A link plate for a bicycle chain comprises a plate having a first end and a second end. The first end includes an installation hole and an elongated opening. The installation hole includes a first aperture and a second aperture connected to the first aperture. A peak portion is defined between the first aperture and the second aperture to prevent movement of a pin from the second aperture to the first aperture easily. The elongated opening is connected to the first aperture to expand the installation hole slightly as the pin moves from the first aperture to the second aperture.

Force transfer assemblies are provided for transferring forces from tensionable members to receiving structures. The assemblies may include nested thimbles that transfer respective forces from respective tensionable members to receiving structures such as cylindrical members. An outer thimble may transfer force from an outer tensioned member to a receiving structure without causing compression of an inner tensioned member. For example, the outer thimble may transfer forces by way of the inner thimble or to a boss of the receiving structure. Forces from a tensioned member or assembly of tensioned members may be distributed along a cylindrical member by a thimble having a convex bearing surface or by spaced thimbles disposed along the cylindrical member.

A chain plate structure includes a link plate body and a sleeve. The link plate body has an acting surface being provided with a first approach edge, two combining portions, and a limiting block located adjacent to the first approach edge. The limiting block has an altitude higher than an altitude of the acting surface. The sleeve is mounted on the link plate body and has a through hole whose maximum diameter is greater than a maximum diameter of a raised ring peripherally formed on the corresponding one of the combining portions. Therefore, when two of the link plate bodies are combined together, a first space is formed between the acting surfaces of the two aligned link plate bodies. The limiting block serves to limit the first space, while the sleeve is allowed to move on one of the combining portions so as to provide a second space.

The invention relates to an energy guiding chain for guiding cables, hoses and the like with a number of tubular chain links (1) connected together in an articulated manner and designed so that the surface of the top panels (5), bottom panels (2) and at least the transition areas (11) of these panels and the side panels (3, 4) are convexly curved in the circumferential direction of the tubular chain links (1), said chain links each having a bottom panel (5), comprising thereon laterally adjoining, opposite side panels (3, 4) and a top panel (5), whereupon the top panel (5) is detachably connected to the side panels (3, 4), the side panels (3, 4) in each case having a joint pin (6) and a joint opening (7) to connect flexibly, the pivoting angle of both directions of pivot being limited by stops (8) and the top panels (5), side panels (3, 4) and bottom panels (2); of adjacent chain links (1) overlapping telescopically over the entire pivoting angle.

An inner link plate for a bicycle chain is provided. The inner link plate may have a longitudinal centerline defining a longitudinal direction and comprising a first inner-link end portion including a first inner-link opening having a first inner-link center axis, a second inner-link end portion including a second inner-link opening having a second inner-link center axis parallel to the first inner-link center axis, and an inner-link intermediate portion interconnecting the first inner-link end portion and the second inner-link end portion. The first inner-link end portion may have an extended edge portion extending to be away from the second inner-link end portion in the longitudinal direction.

A shackle assembly includes a shackle body having two shackle arms extending from a bridge portion which is fixed to the two arms and connects the two arms to each other. A shackle pin can be mounted to the shackle arms and connects the two shackle arms in the mounted state. At least one pocket is formed in at least one of the shackle arms and/or the shackle pin, in which pocket a strain sensing element is received and fixedly attached to the bottom or wall of the pocket for detecting a shackle load acting on the shackle assembly. The pocket is a hole going partially through the shackle arm or going partially through the shackle pin, and the strain sensing element is a strain gauge which is attached to the wall or bottom of the hole.

Adjustable link for a bracelet, including first and second half links which are longitudinally movable via the cooperation of a guide device and a complementary guide device, and secured by the cooperation of arresting device and complementary arresting device. The first half link includes a longitudinal finger with a locking device having radial elastic return moveable between folded and unfolded positions, and the second half link includes a longitudinal channel allowing the finger to pass in only one of the folded or unfolded positions. In proximity to this channel, a complementary locking device cooperates, in at least one locking position, with the locking device in the other of this folded or unfolded positions. The locking device and complementary locking device together define at least two of the longitudinally separate locking positions.

The invention discloses a silent chain complex phase multi-axis transmission mechanism which is composed of a first chain, a second chain, a first driving chain wheel, a second driving chain wheel, a first driven chain wheel and a second driven chain wheel. The needed phase number n is set according to different needs, and in the meshing process of the first driving chain and the first driven chain wheel, the inner side circular tooth profiles of chain plates are meshed with the chain wheel tooth profile of the first driven chain wheel; along with the rotation of the chain wheels, meshing of the chain plates is reduced, the outer side linear tooth profiles of the chain plates begin to be meshed with the chain wheel tooth profiles of the chain wheels, the inner tooth profiles and the outer tooth profiles of the chain plates are meshed with the chain wheels alternately, the meshing process of the chains and the driving chain wheels and the meshing process of the chains and the driven chain wheels are identical, and the chain transmission system is achieved by transmitting power through the driving wheels. The silent chain complex phase multi-axis transmission mechanism is simple in structure, vibration and noise generated by the polygon effect are reduced through the complex phase transmission, and large power and torque can be transmitted; the chain plates of the inner and outer combined meshing mechanism are adopted, the impact between the chain plates and the chain wheels and the polygon effect of the system are reduced, and complex phase multi-axis transmission can be achieved.

The invention relates to a high-strength forged square chain and a production method thereof and belongs to the technical field of chain production. The high-strength forged square chain comprises forged rings arranged at intervals; every two forged rings are welded through two forged half chain rings to form a long-chain structure; the high-strength forged square chain is thermally treated. The forged rings and the forged half chain rings are produced with low-alloy steel by means of forging; the low-alloy steel comprises, by weight, 0.021-0.025% of carbon, 0-0.025% of silicon, 1.10-1.40% ofmanganese, 0.40-0.60% of chromium, 0.90-1.10% of nickel, 0.50-0.60% of molybdenum, 0.025-0.050% of aluminum, </=0.020% of sulfur, </=0.020% of phosphorus, and the balance of iron and unavoidable impurities.

The invention relates to the technical field of escalators, and particularly relates to an escalator and a light step chain and an application thereof. The escalator comprises a step chain and a guide rail, wherein the step chain moves on the guide rail. The step chain comprises a plurality of chain link units, and each chain link unit comprises a roller shaft, a roller, an outer chain piece and an inner chain piece. A first shaft hole is arranged on the outer chain piece, and a second shaft hole is arranged on the inner chain piece. The roller shaft penetrates through the roller, the first shaft hole and the second shaft hole cause the roller to be connected with the outer chain piece and the inner chain piece. The thickness of the outer chain piece is 4mm, the width of the outer chain piece is 35mm, and the pitch is 133.33mm. Compared with the prior art, the step chain has the advantages that the step chain can be applied to the escalator with a lifting height below 5m, the specification is smaller than that of the traditional step chain, materials can be greatly saved, and the manufacture cost of a complete machine is reduced.

To provide a silent chain which makes it possible to further reduce friction loss during operation and to enhance operating efficiency, while also making it possible to reliably prevent assembly errors. A silent chain 1 in which a plurality of links 2 each having a pair of tooth parts 21 which mesh with sprockets and a pair of pin holes 20 are arranged in the lengthwise direction and thickness direction and are linked so as to be able to pivot about one another by linking pins 5 which are inserted into the pin holes 20, and sliding plates 3 are provided. The sliding plates 3 have a pair of pin holes 30 into which the linking pins 5 are inserted, and also have a back surface part 3a which has a greater back surface height h2 than the back surface height h1 of the links 2 and comes into contact with a tensioner arm or chain guide. The sliding plates 3 do not have tooth parts which mesh with the sprockets.

The invention discloses a chain applicable to low temperature environments and a production method thereof. The chain comprises outer link plates, pins, inner link plates, sleeves and middle ink plates, all made of alloy high-quality steel resistant to low temperature. One inner link joint is composed of two inner link plates and two sleeves by interference fitting; one outer pin plate is composed of two middle link plates and one pin by interference fitting. The chain is formed by serially linking the inner link joints and the outer pin plates and covering with end outer link plates and by sequential connecting. The inside of each sleeve is fully coated with low-temperature grease. Two ends of each pin penetrate the corresponding sleeves and the outer link plates and are fixedly locked with square rivets. The outer link plates, the inner link plates and the middle link plates are all in wide-waist structures. The surface of each pin is provided with a high-hardened layer. The chain according to the technical scheme has the advantages that strength of the chain is improved, service life of the chain is prolonged and the chain is well reliable.

A link member includes a first pin hole, a second pin hole, a first engaging portion, and a second engaging portion. The second pin hole is an elongated hole extending in a longitudinal direction of a two-way push-pull chain. The pin is movably inserted into the second pin hole and fixed to the first pin hole. With the pin being movably inserted into the second pin hole, adjacent link members are expandable and contractible relative to each other by a length. The length is greater than a length of a portion where the first engaging portion contacts the second engaging portion in a state where the adjacent link members are contracted relative to each other.

The invention discloses a chain piece capable of storing oil. The chain piece comprises a chain piece body which is in a flat shape. The two sides of the chain piece body are respectively provided with an oil storage tank, and the two oil storage tanks are parallel to each other. The chain piece body is further provided with hinge pin holes, and the center symmetry axis of the hinge pin holes is perpendicular to the oil storage tanks. The chain piece body is further provided with oil discharging holes, the first end of each oil discharging hole is communicated with one end of the corresponding oil storage tank, and the second end of each oil discharging hole is communicated with one hinge pin hole. By the adoption of the mode, sponges in the oil storage tanks can store lubricating oil, the lubricating oil enters the hinge pin holes through the oil discharging holes, hence, lubricating frequency is lowered, and human cost is reduced.

The invention relates to a plane chain strand (50) provided with horizontal and vertical normal chain links (30, 40) which are mounted in an alternating manner and which engage into each other in a nondetachable manner with the limbs and arcs thereof. In the chain strand (50), directly in front and directly behind a chain lock link (10), at least one special chain link (20) is mounted in the same position as said chain locking link (10). The limbs of the lock links have the same outer contour, especially the same width and thickness, as the outer limbs of the two lock parts of the chain lock link (10). The wear and tear of the chain lock link (10) of said inventive plane chain strand (50) can be reduced or eliminated in comparison with conventional plane chains, by means of equal or slightly larger previous and subsequent special chain links (20).

The invention relates to a chain transmission mechanism, which is a chain and a chain wheel. The chain comprises a plurality of chain links and is characterized in that the chain also comprises a plurality of specific chain links, a plurality of chain links and a plurality of specific chain links are articulated in series, the structure of the specific chain links comprises a roller, both ends of the roller are sleeved with specific inner chain boards, the specific inner chain boards are positioned in the grooves of specific outer chain boards and are articulated by pin rolls, the outer end face of each specific inner chain board is provided with symmetrical inclined surfaces, the specific outer chain boards are provided with grooves, the two end surfaces of the specific outer chain boards are provided with symmetrical inclined surfaces, the chain has strong carrying capacity and smooth transmission, thus the impact of reversion of chain links suspension loads can be prevented, and the service life is long. The chain wheel is characterized in that the chain wheel comprises a wheel disc, wear layers are attached on the surfaces of a plurality of chain teeth which are fixed on the wheel disc by a position pin and a fixed bolt, the tooth surface strength of the chain wheel is high, the wear resistance is good, the chain tooth can be replaced easily, and the service life is long, therefore the chain wheel is particularly applicable to the utilization in the transmission of chain suspension loads.

The invention relates to a double-pitch time-sharing meshed tooth-shape chain board, belonging to the field of mechanical design and manufacture and chain driving. The chain board has double pitch on a meshing line, three teeth are distributed on each piece of the chain board, the outer tooth profile lines of the first and the third tooth profiles are straight lines, the apothem f1 of the chain board is 0.96-0.98 times than the apothem f of the standard tooth-shape chain board, the inner tooth profile line is a convex curve with a protrusion delta equal to 0.01f-0.03f, and the tooth profile line of the second tooth is a straight line tooth profile. The invention has the following advantages: when transporting and driving the same load, the chain board has stable tooth mesh-in and mesh-out, small shock and vibration and noise, less material consumption, high motion precision and good reliability, thus the chain board is particularly suitable for the transportation of the parts in an automobile assembly.

The invention relates to the field of chain grate machine equipment which is applied to production of rotary kiln pellets, particularly to a chain grate machine chain link production method for preventing inner sleeves from being out. The chain grate machine chain link production method comprises the following steps of step a, selecting a chain link and an inner sleeve, performing chamfering on the outer edge of the end of the inner sleeve to obtain an inner sleeve chamfer and connecting the chamfered inner sleeve with one of chain link through holes of the chain link in a sleeving mode, wherein the chain link is provided with two chain link through holes and an inner sleeve through hole is formed in the inner sleeve; step b, performing welding on the inner sleeve chamfer of the inner sleeve to obtain an inner sleeve anti-falling ring; step c, repeating the step a and the step b in a circulating mode, enabling the inner sleeve chamfers of the inner sleeves to be towards the same side of direction and enabling the chain links to be snapped into a closed annular shape from head to tail to obtain a chain. The chain grate machine chain link production method for preventing the inner sleeves from being out is particularly suitable for the production situation which can result in outgoing of the inner sleeves due to the large chain running environment temperature difference.