Harvesters – Motorized harvester – Including cutter yieldably mounted on its drive means
Patent
1985-02-13
1986-04-08
Hirsch, Paul J.
Harvesters
Motorized harvester
Including cutter yieldably mounted on its drive means
30276, A01D 3463
Patent
active
045803943
ABSTRACT:
A cutter blade device of a mowing machine including a casing, a spool formed with three flanges to define two groove sections oriented in the axis of rotation of the casing each for winding a cord thereon, and an annular projection formed in the casing and interposed between the spool and an inertia shifter to extend toward an intermediate flange of the spool. A free end portion of the cord wound on a lower groove section of the spool is passed over the top of the annular projection and through one of two openings formed in the inertia shifter, so that a force exerted by centrifugal forces to the free end portion of the cord and tending to move the inertia shifter in the direction of the axis of rotation of the casing and brought same out of engagement with the casing is cancelled by the annular projection.
REFERENCES:
patent: 4177561 (1979-12-01), Ballas et al.
patent: 4189833 (1980-02-01), Kwater
patent: 4203212 (1980-05-01), Proulx
patent: 4209902 (1980-07-01), Moore et al.
patent: 4236309 (1980-12-01), Cayou
patent: 4281505 (1981-08-01), Fuelling, Jr.
patent: 4476632 (1984-10-01), Proulx
Hirsch Paul J.
Kioritz & Corporation
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