192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1978-08-28
1981-04-14
Herrmann, Allan D.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
64DIG2, 745942, 188 24, B62L 500, B62L 518
Patent
active
042614490
ABSTRACT:
A bicycle having front and rear wheel caliper brakes connected by cables to a plate member rockably mounted on a support rearwardly of the crankshaft; there being a latch arm engaged to said plate and having a cam follower portion for engaging a cam formed on the edge of a disc cam keyed on said crankshaft for mutual interengagement upon back pedaling action whereby said latch arm is translated rearwardly with consequent rocking of said plate member to apply a rearward pulling upon said cables for braking of the bicycle. A drive sprocket is carried upon the opposed end of said crankshaft for limited relative movement with respect thereto, there being an arcuate aperture in said drive sprocket receiving a pin from the adjacent pedal crank, which pin is relatively movable within said aperture so that after braking action said crankshaft may be rotated a predetermined distance prior to engagement of the finger with the forward end of the aperture for consequent concurrent rotation, said predetermined distance being adequate for disengaging said latch arm for brake releasing action. The brake release aspect of this invention may also be used with bicycles having front free wheel systems wherein an arrangement of intermeshing teeth are provided on the drive sprocket and a sleeve to allow for requisite relative movement.
REFERENCES:
patent: 567949 (1896-09-01), Bergue
patent: 600045 (1898-03-01), Robison
patent: 616075 (1898-12-01), Caldwell
patent: 631011 (1899-08-01), Hendricks
patent: 658269 (1900-09-01), Lloyd
patent: 1636262 (1927-07-01), Troendly
patent: 2186816 (1940-01-01), Bernier
patent: 3888334 (1975-06-01), Mack
patent: 4030774 (1977-06-01), Foster
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