Disc cutter construction

Details Disc cutter construction Disc cutter construction

1988-09-02

1990-01-02

Massie, IV, Jerome W.

Harvesters

Motorized harvester

Including plural operating units and drive

56255, 56295, 56DIG17, A01D 3466, A01D 5500

Patent

active

048904457

ABSTRACT:
A disc cutter forming a part of a disc cutterbar used on harvesting implements such as disc mower-conditioners is configured to permit a movement of the disc member relative to the driven shaft on which it is mounted. The disc member, which carries knives for rotation within a path of travel at a generally high speed to sever standing crop material by impact action, is clamped in a split hub by a spring-loaded fastener. At least one-half of the split hub is affixed to the driven shaft for rotation therewith. The disc member is frictionally held in place by the spring-loaded fastener which permits movement of the disc member relative to the split hub upon impact with a substantial object restricting rotative movement. The spring-loaded fastener can be in the form of an assembly of cupped washers compressed by a nut threaded onto the driven shaft of the disc cutter.

REFERENCES:
patent: 3138911 (1962-07-01), Pounds
patent: 3457714 (1966-09-01), Kamlukin
patent: 4302922 (1981-12-01), Guerndt, Jr. et al.
patent: 4577456 (1986-03-01), van der Lely et al.
patent: 4720964 (1988-01-01), Ermacora et al.
patent: 4730445 (1988-03-01), Wolff
patent: 4800710 (1989-01-01), von Allwoerden et al.

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