Patent for a bicycle that has a drive wheel, a ratchet wheel attached to the drive wheel, a chain that goes around the ratchet wheel, an apparatus for reciprocating the chain, a guideway from the chain to the ratchet wheel, a knob on the chain that engages the guideway, a pair of levers connected to the chain, and a chord that connects the levers to the chain.
Patent for a switch stand that automatically switches to danger when unlocked and has independently rotating switch operating spindles and target spindles.
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