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Dossabhoi Shapooye Fraser
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Individual
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Individual
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Publication of GB189706280ApublicationCriticalpatent/GB189706280A/en
6280. Fraser, D. S. March 10. Driving-mechanism; saddle supports.-To obtain a high-speed gearing, an intermediate pair of sprocket-wheels a', a<2> are used. Fig. 3 shows the manner in which they are mounted on the frame, the stay b being cut apart and fitted with a bifurcated frame b<1>. Screwed rods b<3> and set nuts b<4> enable the position of the spindle a to be adjusted. The saddle pin rests upon a spiral spring in the tube h. To prevent the pin from turning, a screwpin passes transversely through it, the ends being guided in slots in the tube h.
GB189706280D1897-03-101897-03-10Improvements in Gearing for Cycles, and in Springs for the Seat.
ExpiredGB189706280A
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