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| Number | Title | Issue Date |
| 7427251 | Drive chain for a bicycle A roller chain for bicycles having outer and inner chain links. The outer and inner chain links have outer and inner link plates, respectively. The chain links are joined by tubular pins. The chain links have holes for receiving the tubular pins. The holes have an o... | 09/23/2008 |
| 7237376 | Chain repair system A system for repairing a continuous loop chain includes a plurality of pairs of chain links, each link having a pair of straight, substantially parallel side bars. Each pair of chain links has an outer link having a first width between the outer link side bars, and ... | 07/03/2007 |
| 6855081 | Articulated chain An articulated chain comprising chain links interconnected at chain hinges, with each chain hinge comprises a hinge pin and a hinge bearing surrounding said hinge pin, and the hinge pins are provided with a bonded layer on the outer circumferential surface thereof. ... | 02/15/2005 |
| 5797820 | Slat band chain and sprocket The present invention provides a slat band chain for both straight and curved lines and a sprocket made of synthetic resin which the chain can engage with every other tooth of the sprocket. At least three reinforcement ribs 24a-24c connecting the front cu... | 08/25/1998 |
| 5711733 | Power transmission chain It is envisaged in the case of a power transmission chain (1) for guiding cables, hoses and the like in a cavity surrounded by the chain links, with several chain straps (2, 3) which can be connected in detachable fashion by upper and lower cross-members,... | 01/27/1998 |
| 5121831 | Grate conveyor link and method of manufacture An improved link for a grate conveyor or the like, which is an elongate casting having at a first end thereof a pair of transversely spaced side walls and at the other or second end thereof a lug having a width generally corresponding to the width of the ... | 06/16/1992 |
| 5092118 | Non-metallic link and chain A chain link having a pair of spaced sidebars provided with a set of aligned bores and a round pin positioned within so as to extend through the aligned bores utilizes sidebars and a pin which cooperate in a manner which positively secures the pin in posi... | 03/03/1992 |
| 4998907 | Connecting pin and method using the connecting pin A connecting pin for use in a bicycle chain for example. The connecting pin has a pin body for connecting a plurality of connecting members at least one of which defines a through hole, an inserting portion attached to a longitudinal end the pin body, the... | 03/12/1991 |
| 4990124 | Tuff-face drag chain link Drag chain link typically employed for conveying cement clinker characterized by transversely ribbed underside adapted to trap a layer of clinker material for transferring a substantial portion of the normal chain wear to the clinker layer. Optionally, a ... | 02/05/1991 |
| 4960403 | Bicycle drive chain A drive chain for use in a bicycle having a change-speed apparatus for example. In order to improve the engageability of the chain both in the chain running direction and in the chain deflecting direction for a change speed operation, the chain is constru... | 10/02/1990 |
| 4932925 | Link having a work-hardened area A tractive link member for connecting adjacent rods of an endless conveyor belt and for assuming tractive load. The links include a substantially flat piece of metal formed into a general U-shape with a pair of spaced leg portions joined by a connecting p... | 06/12/1990 |
| 4886485 | Taper-loc drag link and pin Drag chain link and pin construction providing press fit nonrotational seating of pin ends in bifurcated boss ended arms of each link thereby excluding introduction of abrasive, wear producing particles, particularly encountered in cement manufacturing ki... | 12/12/1989 |
| 4807742 | Drag link chain An improved drag link chain is fabricated from a plurality of links joined together in articulated relationship for moving bulk material along a trough or other conveying surface. The links are made having an open end and a closed end. The closed end incl... | 02/28/1989 |
| 4790797 | Link chain An elongated link chain includes a plurality of hingedly connected chain links. Each chain link is made of punched out sheet metal defining a first plane, and includes two lateral walls extending in the longitudinal direction of the chain and spaced from ... | 12/13/1988 |
| 4750325 | Chain links A chain link having a pair of curved extremities and being generally in the shape of an elongated loop. The loop defines two sides which converge towards the middle of the link where the two sides are rigidly jointed together, as by a weld, thereby formin... | 06/14/1988 |
| 4710153 | Link chain An elongated link chain includes a plurality of hingedly connected chain links. Each of such links includes two lateral walls extending in the longitudinal direction of the chain and spaced from one another transversely of the chain. There are further pro... | 12/01/1987 |
| 4493680 | Wear compensating link pin A link pin for connecting a pair of side links to a center link disposed therebetween including rectangular head portions at each end thereof for retaining the pin within the side and center links and a shaft portion disposed between the head portions. Th... | 01/15/1985 |
| 4355993 | Welded wire link roller chain A roller chain that includes a series of alternately arranged inner and outer link units has side links made of wire. The wire side links of the inner unit are welded to the end portions of roller-carrying bushings, and the side links of the outer units a... | 10/26/1982 |
| 4355502 | Polymeric chain link with integral telescoping barrel A polymeric chain link including two sidebars and a barrel connecting the sidebars. The barrel is comprised of a male barrel portion and a female barrel portion, each barrel portion being an integral extension of one of the sidebars. The male barrel porti... | 10/26/1982 |
| 4276040 | Pintle chain having extended wear barrel section and sprocket therefor The barrels of the links of pintle chain for operation open end forward over a drive sprocket are extended inwardly respecting the tooth pockets of the sprocket and two, flat separately distinct areas of interengagement are provided. The two areas of inte... | 06/30/1981 |
| 4271663 | Releasable locking coupling pin for chain links Adjacent links of a chain are releasably locked together by a pin, which is inserted through the pivot joints of the chain. The pin has spaced apart shoulders which engage the outer surfaces of the outer links at the pivot joints when the pin is fully ins... | 06/09/1981 |
| 4250764 | Non-metallic sprocket chain having quick detachable, twist-locking pivot pins A sprocket chain for use in a normally corrosive environment is made up of identical, clevis-type links of synthetic resin composition pivotally connected by quick detachable, twist-locking pivot pins also of synthetic resin composition. The links are eac... | 02/17/1981 |
| 4220052 | Pin retention by interference fit differential The ends of the metal pins of a chain of balanced design are carried in the aligned bores of the chain link sidebars. The links are of an engineering plastic and the ends of each pin are deliberately fitted differently in the one and the other bores of th... | 09/02/1980 |
| 4198813 | Link for continuous chains Link unit of the U-shaped type for use in making continuous chains by interfitting connection with pintles of the base segment of the unit between and to the spaced leg segments of a preceding unit in the chain wherein the leg segments of the units are pr... | 04/22/1980 |
| 4050323 | Pintle-type industrial conveyor chain Industrial conveyor chains of pintle-connected types featuring stub journals removably interengageable with socket bearings through access leads which provide increased bearing surface area and shear strength in the pivoted connections relieving the conne... | 09/27/1977 |
| 4036072 | Welded steel roller chain A roller chain that includes a series of alternately arranged roller links and pin links is manufactured by welding side bars to separately formed bushings and pins. Each roller link has a pair of laterally spaced side bars extending in a direction longit... | 07/19/1977 |
