The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 08, 1994
Filed:
Oct. 05, 1992
Applicant:
Inventor:
Richard E Bunger, Phoenix, AZ (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66D / ; A47J / ;
U.S. Cl.
CPC ...
254266 ; 248132 ; 2481887 ; 254334 ;
Abstract
A derrick for raising and lowering a cargo container which comprises a tri-pod structure having a pulley within its apex for engaging and lifting and lowering the load. The tri-pod structure has a roller for engaging the load at the top or apex of the derrick with a hook for engaging the cargo container at its base. The hook includes a pair of shoes one for engaging the outside surface of the cargo container and a second one for engaging the inside surface of the cargo container at the area of hook contact with the cargo container.