US 11,867,255 B2
Chain link for bicycles
Bruno Ribeiro, Aveiro (PT); Pedro Santos, Coimbra (PT); Diogo Silva, Coimbra (PT); Matthias Reinbold, Würzburg (DE); Henrik Braedt, Hambach (DE); and John Collen, San Luis Obispo, CA (US)
Assigned to SRAM DEUTSCHLAND GmbH, Schweinfurt (DE)
Filed by SRAM DEUTSCHLAND, Schweinfurt (DE)
Filed on Jan. 23, 2020, as Appl. No. 16/750,817.
Application 16/750,817 is a division of application No. 15/803,386, filed on Nov. 3, 2017, granted, now 10,982,734.
Claims priority of application No. 10 2016 013 112.8 (DE), filed on Nov. 3, 2016; and application No. 10 2017 009 632.5 (DE), filed on Oct. 16, 2017.
Prior Publication US 2020/0158208 A1, May 21, 2020
Int. Cl. F16G 13/06 (2006.01); B62M 9/00 (2006.01)
CPC F16G 13/06 (2013.01) [B62M 2009/005 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A roller-type chain for a bicycle, the chain comprising:
a plurality of inner link plates,
a plurality of outer link plates,
a plurality of chain pins, and
a plurality of chain rollers;
wherein at least one of the plurality of chain pins is received rotatably in holes of at least one of the plurality of inner link plates and is rotationally fixed in holes of at least one of the plurality of the outer link plates;
wherein the pluralities of inner and outer link plates comprise:
an engagement side on an outer periphery corresponding to one side of a longitudinal plane in which the centers of the holes lie, and
a guide side opposite the engagement side across the longitudinal plane;
wherein, on the engagement side, the pluralities of inner and outer link plates comprise a plurality of catching bevels and the plurality of outer link plates includes a plurality of deflecting bevels configured for interaction with front and rear pluralities of teeth disposed on the front and rear sprockets;
wherein, on the guide side, the pluralities of inner and outer link plates comprise a plurality of guide bevels, the plurality of guide bevels configured to guide the chain through interaction with a chain-guiding roller of a rear gearshift mechanism, and
wherein the outer periphery of the plurality of inner link plates and the plurality of outer link plates has a straight profile on the guide side of the chain which runs tangentially with respect to two rounded outer contours, each of the rounded outer contours being concentric to the respective holes of the respective link plates and
wherein the inner link plates and the outer link plates include an asymmetric recess with respect to the longitudinal plane between the holes.