Patent ID: 6799393
Filing Date: 2004-10-05
Classification: B61D,E05D,E05F,E05Y,Y10T

Abstract:
A powered door system disposed within an aperture of a transit vehicle structure for at least partially covering and uncovering said aperture, said powered door system comprising:(a) a door (b) a powered door operator attached to said door for driving said door in a drive direction to cover and uncover said aperture, said door operator mounted substantially overhead of said door; said door operator attached to said transit vehicle structure; said door operator having a drive system and a door hanger integral with said drive system, said door hanger connected to said door for driving said door in a drive direction by said drive system, said door hanger includes: (i) a hanger rail having a first roller portion having a first roller cavity; a second roller portion having a second roller cavity, said second roller cavity disposed substantially opposite said first roller cavity; and a mounting surface portion disposed intermediate said first roller portion at one end and said second roller portion at a distal end; (ii) a driving trolley assembly engageable with said drive nut, said driving trolley assembly adapted for movement within said hanger rail; (iii) a driven trolley assembly, said driven trolley assembly adapted for movement within said hanger rail; and (iv) at least one hanger bracket attached to said door, said at least one hanger bracket attached to one of said driving trolley assembly and said driven trolley assembly.