Advertising brake bar

The utility model discloses an advertisement brake bar. A plurality of advertisement pages are connected between a main supporting rod and an auxiliary supporting rod. The first rotating mechanism comprises a first rotating seat fixedly arranged on the main supporting rod and a first page connecting...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	RAO WEIMU, TU QICHUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE ADVERTISING CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION FIXED CONSTRUCTIONS LABELS OR NAME-PLATES PHYSICS SEALS SIGNS
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Beschreibung
Zusammenfassung:	The utility model discloses an advertisement brake bar. A plurality of advertisement pages are connected between a main supporting rod and an auxiliary supporting rod. The first rotating mechanism comprises a first rotating seat fixedly arranged on the main supporting rod and a first page connecting piece fixedly arranged on the advertisement page, a rotating cylinder with an outer spiral groove is upwards arranged in the middle of the first page connecting piece, the rotating cylinder is sleeved with a middle cylinder, a plurality of through holes are formed in the middle cylinder, and the first rotating seat and the first page connecting piece are fixedly arranged on the main supporting rod. A ball is placed in the through hole, the middle cylinder is sleeved with a first rotating sleeve, and the ball is pressed between the inner wall of the first rotating sleeve and the outer spiral groove of the rotating cylinder in an abutting mode and can roll freely. A roller is further arranged at one end of the first