Patent ID: 11867274
Assignee: nan
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A sprocket assembly, comprising:
a sprocket carrier,
a sprocket, and
a securing arrangement for releasably securing the sprocket to the sprocket carrier;
each of the sprocket carrier and the sprocket defines a plurality of fixing apertures for use in securing the sprocket to the sprocket carrier, and
said securing arrangement comprises a plurality of fixing devices;
each of said plurality of fixing devices comprises a bolt and a nut, the bolt having a head portion, a threaded shank portion and a knurled shank portion, the knurled shank portion disposed between the threaded shank portion and the head portion, and the nut engageable with the threaded shank portion of the bolt;
the bolt of each of said plurality of fixing devices insertable through one of the plurality of fixing apertures of the sprocket carrier into a fitted condition in which the bolt is retained within the sprocket carrier by an interference fit between the knurled shank portion of the bolt and the sprocket carrier; and
said sprocket defines a plurality of first fixing apertures for use in releasably securing the sprocket to the sprocket carrier, each of said plurality of first fixing apertures of the sprocket comprises a first portion and a second portion, the second portion extending in a first circumferential direction from the first portion, the first portion shaped to allow the passage of a nut of one of the plurality of fixing devices therethrough and the second portion shaped to prevent the passage of said nut of said one of the plurality of fixing devices therethrough.