Sickle knife replacement assembly

Details Sickle knife replacement assembly Sickle knife replacement assembly

1986-01-28

1986-09-09

Watson, Robert C.

Metal working

Means to assemble or disassemble

Overedge assembling means

29251, 29252, 2940208, 294264, 294265, B23P 1100

Patent

active

046100652

ABSTRACT:
Conventionally, rivets are sheared off by hand whereupon a rivet shank removal tool is engaged around the knife and align so that the punch aligns with the rivet shank. A nut is then tightened with a wrench thus pushing the rivet shank out of the hole and when all rivets have been removed, the old knife can be removed also. A new knife is then positioned upon the cutter bar, rivets are installed and the heads riveted over, a labor intensive, time consuming operation. With the present device, the knife assembly is engaged across a portable frame carrying a tool group and one end of the knife assembly is engaged between manually operated rollers so that it can be adjusted lengthwise to place the knife being replaced, successively in the correct position with a shear tool which shears off the knife and rivets heads, a punching tool to remove the shanks and a riveting tool to rivet over the heads of rivets holding a new knife in position. All of these tools are hydraulic or pneumatically operated.

REFERENCES:
patent: 1544393 (1925-06-01), Hatcher et al.
patent: 4293991 (1981-10-01), Bailey
patent: 4506501 (1985-03-01), DeVall et al.
patent: 4512070 (1985-04-01), Anhalt

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