REFLECTOR UNIT OF TRAFFIC SIGNAL LAMP UNIT

REFLECTOR UNIT OF TRAFFIC SIGNAL LAMP UNIT

PURPOSE:To improve the replacement operability of a dust collecting filter by eliminating the need for cleaning operation in a closed space. CONSTITUTION:The closed space 40 is formed between a lens body 20 and a reflector body 30, a member 60 for ventilation is mounted detachably in an area distanc...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: YONENAMI TAKEHIKO
Format: Patent
Sprache:eng
Schlagworte:
ENSURING THE SAFETY OF RAILWAY TRAFFIC
GUIDING RAILWAY TRAFFIC
PERFORMING OPERATIONS
PHYSICS
RAILWAYS
SIGNALLING
TRAFFIC CONTROL SYSTEMS
TRANSPORTING
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Beschreibung
Zusammenfassung:PURPOSE:To improve the replacement operability of a dust collecting filter by eliminating the need for cleaning operation in a closed space. CONSTITUTION:The closed space 40 is formed between a lens body 20 and a reflector body 30, a member 60 for ventilation is mounted detachably in an area distance from the reflection are of the reflector body 30, and the dust collecting filter 70 is interposed in the air vent 65 of the member 60 for ventilation, so dust, etc., is prevented from entering the closed space 40 to prevent the optical performance from deteriorating, the cleaning operation in the closed space 40 is made unnecessary, and the replacement operability of the dust collecting filter 70 can is improved.