Brakes – Operators – Speed-responsive
Reexamination Certificate
2011-08-23
2011-08-23
Burch, Melody M (Department: 3657)
Brakes
Operators
Speed-responsive
C188S185000, C192S1050CD, C192S1050CE
Reexamination Certificate
active
08002091
ABSTRACT:
A clutch between the rotary output drive shaft of a cutting device and a rotary cutter includes a rotor which is connected to the drive shaft and whose at least one part of the internal walls forms a friction track and a stator which bears the cutter and is driven by the rotor by pivotable friction shoes. The shoes are spring-loaded and supported by the stator, each pivotable shoe being also mounted with clearance on the plate in such a way that it is angularly displaceable between two end positions, i.e. of the clutch engaging and disengaging positions. The clutch is characterized in that the transition from the engaging position to the disengaging position is carried out during the stator deceleration by relative displacement of the shoe and the stator for compressing a second spring which brings back the shoe from the angular disengaging position to the angular engaging position.
REFERENCES:
patent: 1162309 (1915-11-01), Renault
patent: 1834624 (1931-12-01), Kappler
patent: 2051400 (1936-08-01), Taylor
patent: 2400585 (1946-05-01), Wolff
patent: 2494443 (1950-01-01), Luehrs
patent: 2534133 (1950-12-01), Kirkpatrick
patent: 2896912 (1959-07-01), Faugier et al.
patent: 2970680 (1961-02-01), Cain
patent: 3251445 (1966-05-01), Zuck et al.
patent: 3810533 (1974-05-01), Densow
patent: 5988328 (1999-11-01), Newport
patent: 660 942 (1938-06-01), None
patent: 1 222 861 (1960-06-01), None
patent: 2 829 902 (2003-03-01), None
patent: WO-03026386 (2003-04-01), None
Burch Melody M
Young & Thompson
LandOfFree
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