B - Operations – Transporting – 66 – C
Patent
B - Operations, Transporting
66
C
B66C 11/16 (2006.01) B61B 10/02 (2006.01)
Patent
CA 2096494
The present invention intends to prevent generation of metallic noise when both longitudinal sides of the chain supporting trolley (22) installed to the center link (19) of the chain collide against the ends of the adjoining side links (20a, 20b, 25) when the driving chains (18) which comprise linkchains in which a center link (19) whose plane shape is an elongated ring and a pair of top and bottom side links (20a, 20b, 25) are linked alternately become loose. The present invention comprises a rib (32) installed to the center link (19) at the longitudinal center, vertically notched grooves (27c, 28c, 33), in which the rib (32) of the center link is fitted, provided to the vertical portion (27a, 28a) penetrating the center link (19) of a pair of left and right trolley units (27, 28) composing the chain supporting trolley (22) and to a plate type spacer (29) which intervenes between both vertical portions (27a, 28a) and is made of plastics, and a portion of both front and rear sides of the said plate shape spacer (29), which at least adjoins the ends of the side links (20a, 20b, 25), protruded longitudinally outward from the vertical portion (27a, 28a) of each trolley unit.
Makimura Katsuyoshi
Yano Kazuo
Daifuku Co. Ltd.
Gowling Lafleur Henderson Llp
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