ES99669U - Speed change for bicycles of the articulated parallelogram type (Machine-translation by Google Translate, not legally binding)
- Google Patents
Speed change for bicycles of the articulated parallelogram type (Machine-translation by Google Translate, not legally binding)
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Change of speed for bicycles of the articulated parallelogram type, characterized in that it consists of a reference to the bicycle head shaped as a fixed key, having a deep recess of parallel edges and a hole facing the bottom of the notch. It takes a short handle as the whole piece flat, and in this handle a hole for screw through. This screw links it to a support or head made up of a box that the face that faces the toe is uncovered. It has a hole through which the said screw passes, the central section of which passes through a plug made of elastic material that fits inside the faces of the head, then passes through the tip and is fixed by means of a conventional nut. The toe has a small notch in the opposite position to the greater recess. (Machine-translation by Google Translate, not legally binding)
ES99669U1963-05-241963-05-24
Speed change for articulated parallelogram type bicycles
ExpiredES99669Y
(en)