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:
Sep. 14, 1993
Filed:
Jan. 07, 1992
Shinmei Industry Co., Ltd., Toyota, JP;
Abstract
An apparatus for installing and retrieving road signs has a conveyor for conveying a group of road signs, a pair of group of signs-conveying members for conveying the group of road signs while supporting both sides of a bottom portion of the group of road signs, a driving device for changing over the road sign to a support-releasing condition, a pair of sign-receiving elements arranged at sign-separating positions, a moving device for causing the pair of sign-receiving elements to approach and separate, a sign-ascending and descending device for supporting and causing the road sign to ascend and descend, a device for correcting the posture of the road sign, a sign-holding device for releasably holding the road sign, a position-changing device for shifting the sign-holding device from a position where the sign is separated to a position where the sign is installed and retrieved, and a holding device-ascending and descending mechanism for causing the sign-holding device to ascend and descend at the position where the sign is installed and retrieved. These are carried on a loading platform of a travelling vehicle body.