The Wheel and cycling trade review . irmingham. A is the back for K lug. hold- 54 December ti, ing the eccentric B, which is open in thecentre and split at a point underneath thebridle C. C is hinged to the eccentric andis split so as to allow it to swing is the internal .ocking stud workingthrough the hollow end of C by means ofthe key E. Thus if you want to slackenyour chain, D is unwound to allow C toswing upward through the rear wheel, nottoward the crank hanger. When the properdegree of tension is secured by screwingD home, F is forced into the split in the ec-centric, lockin
The Wheel and cycling trade review . irmingham. A is the back for K lug. hold- 54 December ti, ing the eccentric B, which is open in thecentre and split at a point underneath thebridle C. C is hinged to the eccentric andis split so as to allow it to swing is the internal .ocking stud workingthrough the hollow end of C by means ofthe key E. Thus if you want to slackenyour chain, D is unwound to allow C toswing upward through the rear wheel, nottoward the crank hanger. When the properdegree of tension is secured by screwingD home, F is forced into the split in the ec-centric, locking it externally and internallyat the same The same people adopt this method of lock-ing their disc adjusting bracket and is a spring steel duplex washer. Its innerring has two flat sides to engage with cor-responding flats on the adjusting disc. Theouter ring is free and carries B, which inturn carries a pin A. To adjust the bearingB is merely sprung back until the pin A isclear of the pinhole it is engaged with. It is. then turned with the fingers until the re-quired amount of adjustment is secured andB is released, A finding its way out one of thepinholes marked in the flange which formspart of the bracket. It is ingenious, but byno means an deal method of fixing bearingdiscs. This is an illustration of a machine fittedwith the Hollis chain. The chain consists of
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectcyclist, bookyear1888
