Cotton picker spindle seal

Details Cotton picker spindle seal Cotton picker spindle seal

1987-06-08

1988-07-19

Hirsch, Paul J.

Harvesters

Cotton

Pickers

56 41, A01D 4616

Patent

active

047576715

ABSTRACT:
An improved seal assembly for a cotton picker for reducing or eliminating passage of lubricant out of the spindle assembly area to increase service interval and decrease lubricant usage. A first sealing ring contacts and seals the outer surface of the spindle. A second sealing ring, mounted over the first ring, seals non-moving components. The first seal includes a tab which is received within a corresponding notch in a bushing located adjacent the sealing assembly. The sealing assembly is constructed such that presently available cotton picker spindle assemblies may be retrofitted easily with the new arrangement.

REFERENCES:
patent: 2713239 (1955-07-01), Dermid
patent: 2785524 (1957-03-01), Hubbard
patent: 2856744 (1958-10-01), Barbknecht et al.
patent: 2934878 (1960-05-01), Barbknecht et al.
patent: 3387439 (1968-06-01), Tracy
patent: 3606746 (1971-09-01), Hayward
patent: 4133166 (1979-01-01), Hubbard

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