Cable suspension for harvesting machine

  • US 3,909,022 A
  • Filed: 08/03/1973
  • Issued: 09/30/1975
  • Est. Priority Date: 08/03/1973
  • Status: Expired due to Term
First Claim
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1. A supported frame and leveling apparatus therefor comprising:

  • a. a rigid frame, b. first and second ground-engaging supports mounted at one end of said frame for individual and independent vertical movement relative thereto;

    c. first and second variable-length members connected between and supporting said frame on said first and second supports respectively;

    d. means interconnecting said first and second variable-length members for equally and oppositely changing the length of one of said members in response to a change in the length of the other of said members;

    e. third and fourth ground-engaging supports mounted at the other end of said frame for individual and independent vertical movement relative thereto;

    f. third and fourth variable-length members connected between and supporting said frame on said third and fourth supPort members;

    g. means including a first control means therefor for actuating at least one of said third and fourth variable-length members to change the length thereof.

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