Bruce C Backe, 6430925 N Fremont Ave, Grayslake, IL 60030
Bruce Backe Phones & Addresses
Grayslake, IL
Mundelein, IL
30925 N Fremont Ave, Grayslake, IL 60030
Mentions for Bruce C Backe
Publications & IP owners
Us Patents
Condition Responsive Traffic Sign
US Patent:
2002007, Jun 20, 2002
Filed:
Nov 8, 2001
Appl. No.:
10/010555
Inventors:
Bruce Backe - Crystal Lake IL, US
International Classification:
G09F001/00
US Classification:
040/612000
Abstract:
A vertically disposed placard has two sections, one disposed over the other, with the upper section of the placard attached to a pole, standard or other mount. A hinge connects the bottom perimeter edge of the fixed section with the top perimeter edge of the lower, pivotable section, allowing the front surface of the pivotable section to rotate and fold flat against the front surface of the upper, fixed section. A catch mechanism releaseably holds the two sections flat against each other, preventing the pivotable section from unfolding. An electrical controller is attached to the back surface of the fixed section of the placard and senses when a condition to which the sign is responsive occurs. Upon the occurrence, the controller causes release of the catch mechanism, allowing the pivotable section to unfold under the force of a bias (e.g., spring) and/or gravity, or by an electric motive means to display the front surfaces of both sections of the placard. When the condition no longer exists, the device may be returned to its folded configuration manually or electromotively (if so equipped). When the placard is unfolded, the front surfaces of the placard together display a first sign item, and when the placard is folded, the back surface of the pivotable section is presented and can display a second sign item. Therefore, alternative sign items may be displayed, depending on whether the sections of the placard are folded or unfolded.
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