Internal-combustion engines – Starting device – Mechanical
Patent
1977-09-19
1979-04-10
Herrmann, Allan D.
Internal-combustion engines
Starting device
Mechanical
74 6, 74577S, 192 42, F02N 302
Patent
active
041482913
ABSTRACT:
A recoil-type starter for an internal combustion engine. The starter includes a drum with a starting wire wound around it. The drum is disposed to confront a driven member such as a fly-wheel which is in turn operably connected to the engine. A starting pawl is pivotally secured to a peripheral portion of the drum, and is adapted to be pivotally moved to project radially outwardly of the drum into engagement with a cooperative projection formed on the driven member as the drum is rotated by pulling the starting wire, thereby to impart a starting inertia to the engine through the driven member. A stop is unitarily formed on the drum for limiting the outward pivotal movement of the starting pawl. The stop is positioned to abut a portion of the starting pawl close to the outer end of the latter at which the cooperating projection of the driven member contacts from the radially outer side of the drum. The radial component of the reactional force exerted by the projection on the starting pawl is received and supported by the stop, so that the starting pawl is free of bending force. It can withstand extended use without fatigue breakage.
REFERENCES:
patent: 2926648 (1960-03-01), Hamman
patent: 3127884 (1964-04-01), Rice
patent: 3366099 (1968-01-01), Kaufman
patent: 3375814 (1968-04-01), Hamman
patent: 3730162 (1973-05-01), Murase
patent: 3782355 (1974-01-01), Hamman
patent: 3782356 (1974-01-01), Hamman
Herrmann Allan D.
Mon Donald D.
Yamaha Hatsudoki Kabushiki Kaisha
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