Tail flag assembly for pole trailer
US5979355A · kind A · utility
Inventor
Key dates
| Filing date | Sep 11, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Sep 11, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F17/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A tail flag assembly for installation on a rear end of an utility pole laid on a pole trailer. The tail flag assembly comprises a ring mountable over the rear end of the pole and a plurality of screws extending radially through the ring for clamping the ring onto the rear end of the pole. The tail flag assembly also comprises a plurality of staffs affixed to the ring and extending outwardly tangentially from the ring, with each staff having a rectangular brightly coloured flag affixed thereto. In one aspect of the invention, each flag has a stripe sewn thereon. The stripe is made of a highly light-reflecting material. The stripe is sewn on a first side of the flag from an upper outside corner thereof to a midpoint on the hem thereof, and on the other side of the flag, from a midpoint on the hem to the lower outside corner thereof. When the flag flaps back and forth, the movement of the stripe simulates a flashing light bar when seen at night under the reflection of the headlights of a vehicle for example. In another aspect of the invention, each staff is made of a flexible material and is pliable for engagement under the crossbar handle of one of the screws. Hence, when all staffs …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.