Levelling device

• US 3,341,986 A
• Filed: 03/15/1965
• Issued: 09/19/1967
• Est. Priority Date: 03/15/1965
• Status: Expired due to Term

• Current Assignee: Heinz W. Brosig
• Original Assignee: Heinz W. Brosig
• Inventors: Brosig, Heinz W.
• Application Number:
  US04/439,551
• Time in Patent Office: 918 Days
• US Class Current: 52/67
• CPC Class Codes: B62D 53/067 Multi-purpose, convertible or extendable load surface semi-trailers for container transport B60P1/6418; convertible road transport vehicles in general B60P3/42

Claims

1. LEVELLING APPARATUS COMPRISING:

A MAIN BODY HAVING AN OPENING IN THE SIDEWALL THEREOF, UPPER AND LOWER ANCHOR MEANS IN SAID MAIN BODY PROXIMATE TO SAID SIDEWALL, UPPER AND LOWER ANCHOR MEANS IN SAID MAIN BODY SPACED INWARDLY FROM SAID SIDEWALL, A SIDE BODY TELESCOPICALLY MOVABLE RELATIVE TO SAID MAIN BODY IN SAID OPENING BETWEEN A CONTRACTED POSITION AND AN EXPANDED POSITION, MEANS FOR SUPPORTING SAID SIDE BODY ON SAID MAIN BODY, A FIRST NON-EXTENSIBLE ELONGATED FLEXIBLE ELEMENT EXTENDING FROM SAID UPPER ANCHOR MEANS PROXIMATE TO SAID SIDE WALL TO SAID LOWER ANCHOR MEANS SPACED INWARDLY THEREFROM, AND A SECOND NON-EXTENSIBLE ELONGATED FLEXIBLE ELEMENT EXTENDING FROM SAID LOWER ANCHOR MEANS PROXIMATE TO SAID SIDEWALL TO SAID UPPER ANCHOR MEANS SPACED INWARDLY THEREFROM, ROTATABLE GUIDE MEANS ON SAID SIDE BODY ENGAGEABLE RESPECTIVELY WITH SAID FIRST AND SECOND ELEMENTS TO MAINTAIN A CONSTANT ANGULAR RELATIONSHIP BETWEEN SAID SIDE BODY AND SAID MAIN BODY.