Abstract: A conveyor chain includes a plurality of links, which is arranged in a series arrangement direction and made of a first plastic, and a plurality of pins. Each pin sequentially couples a corresponding one of the links to an adjacent one of the links in a pivotal manner. Each link has a mounting surface, on which an object can be mounted. Each pin has a core rod made of a metal and a cover member that covers the core rod and is made of a second plastic.

Abstract: A conveyor belt (11) is formed by coupling multiple chain links 15 aligned in a conveyance direction X. The chain link (15) is provided with multiple recess parts (15a) and first hinge parts (21) protruding in the conveyance direction X from positions between which each of the recess parts (15a) is placed. If some object hits on an outer end of the conveyor belt (11) to apply force to the first hinge part (21), a section including the first hinge part (21) and a bulging part (30) pivots about a fulcrum at an outer base end of the first hinge part (21) to deform this section. In this invention, a point of action where force acts on the conveyor belt (11) and the center of pivotal motion of the first hinge part (21) and the bulging part (30) are determined to be spaced by a relatively short distance.

Abstract: A conveyor belt (11) is formed by coupling multiple chain links 15 aligned in a conveyance direction X. The chain link (15) is provided with multiple recess parts (15a) and first hinge parts (21) protruding in the conveyance direction X from positions between which each of the recess parts (15a) is placed. If some object hits on an outer end of the conveyor belt (11) to apply force to the first hinge part (21), a section including the first hinge part (21) and a bulging part (30) pivots about a fulcrum at an outer base end of the first hinge part (21) to deform this section. In this invention, a point of action where force acts on the conveyor belt (11) and the center of pivotal motion of the first hinge part (21) and the bulging part (30) are determined to be spaced by a relatively short distance.

Abstract: A conveyor having conveyor chain 100 adapted to be engaged and driven by drums 180 and 190 having spiral flights. The conveyor chain has a number of interconnected conveying modules 120, 140, 150 and 160. Selected modules 120 are aligned in the direction of travel parallel to the axis of rotation of the drums. Each of the aligned modules has a traveling guide socket 122 on the back surface, which engages with flight portions 180a and 190a of the spiral drums, so that the chain is advanced by the rotation of the drums. The modules are rectangular and are interconnected in columns and rows, preferably in a brick pattern.

Abstract: A conveyor chain for a travel way on which an operator and/or a work carriage are reliably moved in a nonskid manner. The conveyor chain has a series of modules, each with a nonskid material loaded upper surface with front and rear hinge portions for connecting the modules to each other by connecting pins. The nonskid material loaded upper surface has hollows with the hollow surfaces recessed below the upper surface. The upper surface includes a number of supporting ribs project upwardly from the hollow surfaces and terminate flush with the upper surface, so that the transfer of the work carriage is easy and a back bend radius is decreased. Miniaturization and simplification of the conveyor are attained.

Abstract: A conveyor having conveyor chain 100 adapted to be engaged and driven by drums 180 and 190 having spiral flights. The conveyor chain has a number of interconnected conveying modules 120, 140,150 and 160. Selected modules 120 are aligned in the direction of travel parallel to the axis of rotation of the drums. Each of the aligned modules has a traveling guide socket 122 on the back surface, which engages with flight portions 180a and 190a of the spiral drums, so that the chain is advanced by the rotation of the drums. The modules are rectangular and are interconnected in columns and rows, preferably in a brick pattern.

Abstract: A conveyor chain comprising a number of chain links mutually connected in the chain longitudinal direction, each chain link having a plurality of hinge parts comprising laterally-spaced hinge parts in the form of finger members protruding in laterally-spaced relation from a front edge and a rear edge as an integrally molded unit; and a ball unit holding a ball which is free to be rotated while being exposed to both sides of the chain link, the ball unit being detachably installed in a U-shaped mounting region open at one end between the hinge parts and closed at the other end. The finger members of each link are interdigitated with the finger members of the adjacent links, and are retained by a hinge pin. Removal of the ball unit is facilitated by a tool-inserting slot at the other end of the U-shaped region.

Abstract: A conveyor chain for a travel way on which an operator and/or a work carriage are reliably moved in a nonskid manner. The conveyor chain has a series of modules, each with a nonskid material loaded upper surface with front and rear hinge portions for connecting the modules to each other by connecting pins. The nonskid material loaded upper surface has hollows with the hollow surfaces recessed below the upper surface. The upper surface includes a number of supporting ribs project upwardly from the hollow surfaces and terminate flush with the upper surface, so that the transfer of the work carriage is easy and a back bend radius is decreased.

Abstract: Conveyor chains are provided which comprise free balls which are free to rotate in all directions thereby allowing for the stable conveyance of articles in any direction in the entire horizontal plane and at an increased speed in the direction of conveyance with reduced contamination in the conveyance environment. A conveyor chain 100 comprises a number of chain links 110 comprising a plurality of hinge portions 112 in a zigzag formation protruding from the front and rear end edges that are connected to each other in the longitudinal direction of the chain through hinge pins 120. Free balls 131 protrude from both the surface and back sides of the chain link 110 and are free to rotate while held in the chain link 110. Either the free balls 131 or ball holding portions 132, which hold the free balls 131, is made of polyacetal while the other is made of polyamide or polyester.

Abstract: A multifunctional conveyance type conveyor chain is disclosed in which ball units and conveyance auxiliary units can be separately and easily attached and detached to a chain link. A multifunctional conveyance type conveyor chain (100) includes a number of chain links (110) which are each integrally molded of an article loading portion (111) on which an article is loaded and a plurality of hinge portions (112). The chain links (110) are connected to each other in a longitudinal direction of the chain through hinge pins (120). A ball unit (130) holds a free ball (131) which rolls in an exposed manner on both a surface and a back surface of the chain link (110). Conveyance auxiliary units 140 mountable in place of ball units (130) are respectively selectively inserted and mounted between every hinge portions (112, 112).

Abstract: Conveyor chains are provided which comprise free balls which are free to rotate in all directions thereby allowing for the stable conveyance of articles in any direction in the entire horizontal plane and at an increased speed in the direction of conveyance with reduced contamination in the conveyance environment. A conveyor chain 100 comprises a number of chain links 110 comprising a plurality of hinge portions 112 in a zigzag formation protruding from the front and rear end edges that are connected to each other in the longitudinal direction of the chain through hinge pins 120. Free balls 131 protrude from both the surface and back sides of the chain link 110 and are free to rotate while held in the chain link 110. Either the free balls 131 or ball holding portions 132, which hold the free balls 131, is made of polyacetal while the other is made of polyamide or polyester.

Abstract: A conveyor chain having fewer parts is disclosed. The assembly and decomposition of the chain conveyor and the removal of the ball and the like can be easily performed. In a conveyor chain 100 in which chain links 110 having article loading portions 111 on which articles are loaded are adjacently, endlessly connected with each other with connecting pins. Between the hinge portions 113 disposed on one side edge of the article loading portion 111 is formed a U-shaped cutout portion 115 having a ball holding inner peripheral surface 115a, a free ball 130 inserted between a hinge portion 112 of the chain link 110 oppositely adjacent to the U-shaped cutout portion 115 and the U-shaped cutout portion 115 is rotatably held by the ball holding inner peripheral surface 115a and a stopper 140. The upper and lower portions of the free ball 130 are protruded from a surface of the article loading portion 111 and a lower end of the link portion 114, respectively.

Abstract: The present invention provides a conveyor chain capable of independently and easily mounting ball units into a single chain link to prevent the separation thereof, and also facilitating the dismounting thereof. This conveyor chain comprises a number of chain links mutually connected in the chain longitudinal direction, each chain link having a plurality of hinge parts protruding alternately from a front edge and a rear edge as an integrally molded unit; and a ball unit holding a ball which is free to be rotated while being exposed to both sides of the chain link, the ball unit being detachably installed in a direction normal to the longitudinal and transverse directions of the chain into a unit installation area defined between adjacent hinge parts and a hinge pin longitudinally from the chain direction. The ball unit is positioned and fixed transversely in the chain double-side direction and longitudinally in the chain direction by engagement with the chain link.

Abstract: The present invention provides an antistatic resin-made chain for article conveyance capable of (1) exhibiting a stable antistatic effect even in a dry or low-humidity environmental atmosphere or the like, (2) keeping the antistatic effect through washings of the resin-made chain, and (3) being subjected to horizontal recycling while maintaining the antistatic effect. The antistatic resin-made chain for article conveyance 1 may be formed endlessly by connecting a number of links with top plate 2 through connecting pins 8. The link with top plate 2 may be made of plastics by integral molding of a synthetic resin material, at least one high-molecular weight antistatic agent, and, optionally, at least one sliding agent.

Abstract: A multifunctional conveyance type conveyor chain is disclosed in which ball units and conveyance auxiliary units can be separately and easily attached and detached to a chain link. A multifunctional conveyance type conveyor chain (100) includes a number of chain links (110) which are each integrally molded of an article loading portion (111) on which an article is loaded and a plurality of hinge portions (112). The chain links (110) are connected to each other in a longitudinal direction of the chain through hinge pins (120). A ball unit (130) holds a free ball (131) which rolls in an exposed manner on both a surface and a back surface of the chain link (110). Conveyance auxiliary units 140 mountable in place of ball units (130) are respectively selectively inserted and mounted between every hinge portions (112, 112).

Abstract: To provide a conveyor chain, which easily can laterally discharge articles conveyed by the conveyor chain and easily can make U-turn and in which a count of parts of the chain links forming the conveyor chain can be reduced and the assembly, explosion and parts replacement and the like can be easily performed. A conveyor chain 1 is formed in such a manner that a plurality of chain links 2 each having a plurality of hinge portions 4, 5 respectively formed on both side edges of article loading portions 3, are adjacently, endlessly connected to each other with hinge pins. A gap portion 8 is provided between hinge portions 4, 4 formed on one-side edges in the article loading portions 3, and a ball unit 12 rotatably holding a free ball 16 in a split cover 15 consisting of a upper cover 13 and a lower cover 14 is attached to the gap portion 8.

Abstract: A conveyor chain having fewer parts is disclosed. The assembly and decomposition of the chain conveyor and the removal of the ball and the like can be easily performed. In a conveyor chain 100 in which chain links 110 having article loading portions 111 on which articles are loaded are adjacently, endlessly connected with each other with connecting pins. Between the hinge portions 113 disposed on one side edge of the article loading portion 111 is formed a U-shaped cutout portion 115 having a ball holding inner peripheral surface 115a, a free ball 130 inserted between a hinge portion 112 of the chain link 110 oppositely adjacent to the U-shaped cutout portion 115 and the U-shaped cutout portion 115 is rotatably held by the ball holding inner peripheral surface 115a and a stopper 140. The upper and lower portions of the free ball 130 are protruded from a surface of the article loading portion 111 and a lower end of the link portion 114, respectively.

Abstract: To provide a conveyor chain, which easily can laterally discharge articles conveyed by the conveyor chain and easily can make U-turn and in which a count of parts of the chain links forming the conveyor chain can be reduced and the assembly, explosion and parts replacement and the like can be easily performed. A conveyor chain 1 is formed in such a manner that a plurality of chain links 2 each having a plurality of hinge portions 4, 5 respectively formed on both side edges of article loading portions 3, are adjacently, endlessly connected to each other with hinge pins. A gap portion 8 is provided between hinge portions 4, 4 formed on one-side edges in the article loading portions 3, and a ball unit 12 rotatably holding a free ball 16 in a split cover 15 consisting of a upper cover 13 and a lower cover 14 is attached to the gap portion 8.

Abstract: To provide an improved conveyor chain, which can convey even a conveying object having high center of gravity at high speed without felling it down in a curved conveying section. A conveyor chain according to the present invention has a plurality of links (10) arranged in rows. Each of the links includes a top plate (11) having a flat top surface (12) and a hinge portion (13) provided on the top plate pin-connected to a hinge portion of a link positioned on the front side and to a hinge portion positioned on the rear side. Edges (19, 24) adjacent to links positioned on the front and rear sides in the top plate and the hinge portions are composed of curved surfaces. An angle of inclination formed by a flat surface (31) including a tangential line with respect to the edge and the top surface (12) of the top plate (11) is formed to be smaller as it goes from the central axis of said link in its arrangement direction toward a link side.

Abstract: A conveyor chain, which can be conveyed without being felled down in a curved conveying section even if the speed of the conveying line is increased is provided. A conveyor chain has a plurality of links (11) arranged in rows. Each of said links includes a top plate (12) having a flat top surface (13) and a hinge portion (14) provided on the top plate. The hinge portion is connected to the hinge portions in the adjacent link positioned on the backside by a pin. Engagement portions (14, 15, 21, 22) with the adjacent links positioned on the front and back sides in said top plate include flat surface portions (27˜30) connected to the flat top surface of the top plate, and the flat surface portions are extended to said adjacent link, positioned on the front or back side with respect to the central axis of the pin.