Patent ID: 6277044
Filing Date: 2001-08-21
Classification: B62J,B62M

Abstract:
A protective plate for attachment to a bicycle frame for guiding a chain comprising:a support body having:a first side for facing laterally toward the bicycle frame;a second side for facing laterally away from the bicycle frame;a lower portion; andan upper portion;wherein the lower portion of the first side of the support body is structured to align with a bottom bracket of the bicycle;wherein the lower portion of the support body defines a bottom bracket opening;a separate fastening ring for projecting through the bottom bracket opening, wherein the fastening ring is adapted to be sandwiched between the bottom bracket and a bottom bracket bearing mounting cup for retaining the support body to the bicycle frame;wherein an inner edge of the fastening ring is adapted to abut against an edge of the bottom bracket;a frame attachment member disposed on the upper portion of the support body for fastening the upper portion of the support body to the frame; anda linkage member extending from the frame attachment member for movably supporting a chain guide.