Chain-belt

Details Chain-belt Chain-belt

F - Mech Eng,Light,Heat,Weapons

16

G

74/247

F16G 13/08 (2006.01) F16G 5/18 (2006.01)

Patent

CA 2035272

A power transmission (10) chain-belt (32) is disclosed that is especially adaptable for connecting the pulleys (12, 14) of a pulley transmission (10). The chain-belt (32) has a plurality of interleaved sets (34) of links (36) and each set (34) has a plurality of transversely arranged links (36). Pivot means (40) join adjacent sets (34) of links (36) to form an endless loop. At least one toe (42A, 42B) extends from each link (36) in at least some sets (34) of links (36). At least the toes (42A, 42B) on adjacent links (36) are in opposed relationship and define a passageway (80). A plurality of load blocks (50) are connected to the sets (34) of links (36). The load blocks (50) are positioned in the passageways (80) defined by the toes (42A, 42B). Each load block (50) has edge surfaces (88) for contacting the pulleys (12, 14) of the transmission (10). At least one spring link (131) is said sets (34) of interleaved links (36). The spring link (131) has a pair of spaced apart, opposed toes (132A, 132B) that define a channel (134) for receiving a load block (50). The channel (134) of the spring link (131) has a press fit with the load block (50) whereby the spring link (131) restrains the load block (50) from movement transverse to the direction of travel of the chain belt (32) and retains the load block (50) in the passageway (80) defined by the sets (34) of links (36).

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