Chain-belt

Details Chain-belt Chain-belt

1990-03-20

1991-06-25

Neuder, William P.

Endless belt power transmission systems or components

Friction drive belt

Including plural interconnected members each having a drive...

474245, F16G 124

Patent

active

050263323

ABSTRACT:
A power transmission (10) chain-belt (32) is disclosed that is especially aptable 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) positioned in 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).

REFERENCES:
patent: 3407672 (1968-10-01), Keller
patent: 4337057 (1982-06-01), Horowitz et al.
patent: 4386922 (1983-06-01), Ivey
patent: 4464152 (1984-08-01), Kern
patent: 4569671 (1986-02-01), Ledvina
patent: 4767388 (1988-08-01), Tatara et al.

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