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:
Apr. 18, 1989
Filed:
Oct. 13, 1987
Applicant:
Inventor:
Houston Rehrig, Pasadena, CA (US);
Assignee:
Rehrig International, Inc., Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62B / ;
U.S. Cl.
CPC ...
280 7911 ; 108 561 ; 108901 ; 403231 ;
Abstract
An improved plastic dolly is disclosed. The plastic dolly includes a pair of longitudinal side members and a pair of transverse end members coupled by lap joints to form a preferably rectangular frame. The various members are formed of high density polyethylene and are strengthened by ribs. The lap joints are rabbeted to form stronger lap joints. The longitudinal side members are strengthened by disposing a metal bar in a groove at the outside edge of the longitudinal side members, and the transverse end members are strengthened by forming its ribs in a pyramidal or triangular shape toward the center of the transverse end members.