Advertising board for mobile display system

Claim 2

An advertising display board for a mobile display system adapted to be mounted on the chassis of a vehicle comprising a stand adapted to be mounted for vertical movement on the chassis of a vehicle, means for moving said stand vertically relative to said chassis, a first vertically disposed display board carried by said stand, a support member mounted on said stand for vertical movement relative thereto, means for moving said support member vertically relative to said stand, and a second display board carried by said support member whereby upon lowering of said support member, said second display board will be disposed at the same level as said first display board for transport and upon raising said support member said second display board will be disposed above said first display board to define an enlarged display surface.

Claim 3

An advertising display board as set forth in claim 1 further comprising means for moving said first display board laterally relative to said stand between a transport position laterally offset from said second display board and a display position disposed directly beneath said second display board when said second display board is in the raised position.

Claim 4

An advertising display board as set forth in claim 1 further comprising a first flat vertically disposed cover board secured to said support member parallel to said second display board and having an opening through which said second display board may be viewed.

Claim 5

An advertising display board as set forth in claim 3 further comprising a second flat cover board pivotally mounted on said support member adjacent said first flat cover member for movement between a first horizontal transport position and a second vertical display position in vertical alignment with said first flat cover board and means for moving said second flat cover board between said first and second positions.

Claim 6

An advertising display board as set forth in claim 4 further comprising a third flat vertically disposed cover board secured to said stand adjacent said first flat cover board but laterally offset relative thereto to allow said first flat cover board to move vertically relative to said third flat cover board upon vertical movement of said support member, said third flat cover member having an opening for viewing said first display board.

Claim 7

An advertising display board as set forth in claim 5 further comprising a fourth flat vertically disposed cover board mounted for vertical movement on said stand between a first position in horizontal alignment with said third flat cover member and a second position below said third flat cover member and means for moving said fourth flat cover member between said first and second positions.

Claim 8

An advertising display board for a mobile display system adapted to be mounted on the chassis of a vehicle comprising a stand adapted to be mounted for vertical movement on the chassis of a vehicle, means for moving said stand vertically relative to said chassis, a first vertically disposed display board carried by said stand, a support member mounted on said stand for vertical movement thereto, means for moving said support member vertically relative to said stand, a second display board carried by said support member whereby upon lowering of said support member, said second display board will be disposed at the same level as said display board for transport and upon raising said support member, said second display board will be disposed above said first display board to define an enlarged display surface, means for moving said first display board laterally relative to said stand between a transport position laterally offset from said second display board and a display position disposed directly beneath said second display board when said second display board is in the raised position, a first flat vertically disposed cover board secured to said support member parallel to said second display board and having an opening through which said second display board may be viewed, a second flat cover board pivotally mounted on said support member adjacent said first flat cover member for movement between a first horizontal transport position and a second vertical display position in vertical alignment with said first flat cover board, means for moving said second flat cover board between said first and second positions, a third flat vertically disposed cover board secured to said stand adjacent said first flat cover board, but laterally offset relative thereto to allow said first flat cover board to move vertically relative to said third flat cover board upon vertical movement of said support member, said third flat cover member having an opening for viewing said first display board, a fourth flat vertically disposed cover board mounted for vertical movement on said stand between a first position in horizontal alignment with said third flat cover member and a second position below said third flat cover member and means for moving said fourth flat cover member between said first and second positions.

Claim 9

An advertising display board for a mobile display system adapted to be mounted on the chassis of a vehicle comprising a stand adapted to be mounted for vertical movement on the chassis of a vehicle, means for moving said stand vertically relative to said chassis, a first vertically disposed display board carried by said stand, a support member mounted on said stand for vertical movement thereto, means for moving said support member vertically relative to said stand, a second display board carried by said support member whereby upon lowering of said support member, said second display board will be disposed at the same level as said display board for transport and upon raising said support member, said second display board will be disposed above said first display board to define an enlarged display surface, means for moving said first display board laterally relative to said stand between a transport position laterally offset from said second display board and a display position disposed directly beneath said second display board when said second display board is in the raised position, a first flat vertically disposed cover board secured to said support member parallel to said second display board and having an opening through which said second display board may be viewed, a second flat cover board pivotally mounted on said support member adjacent said first flat cover member for movement between a first horizontal transport position and a second vertical display position in vertical alignment with said first flat cover board, means for moving said second flat cover board between said first and second positions, a third flat vertically disposed cover board secured to said stand adjacent said first flat cover board, but laterally offset relative thereto to allow said first flat cover board to move vertically relative to said third flat cover board upon vertical movement of said support member, said third flat cover member having an opening for viewing said first display board, a fourth flat vertically disposed cover board mounted for vertical movement on said stand between a first position in horizontal alignment with said third flat cover member and a second position below said third flat cover member and means for moving said fourth flat cover member between said first and second positions.

Claim 10

An advertising display board for a mobile display system adapted to be mounted on the chassis of a vehicle comprising a stand adapted to be mounted for vertical movement on the chassis of a vehicle, means for moving said stand vertically relative to said chassis, a first vertically disposed display board carried by said stand, a support member mounted on said stand for vertical movement relative thereto, means for moving said support member vertically relative to said stand, a second display board carried by said support member whereby upon lowering of said support member, said second display board will be disposed at the same level as said display board for transport and upon raising said support member, said second display board will be disposed above said first display board to define an enlarged display surface, means for moving said first display board laterally relative to said stand between a transport position laterally offset from said second display board and a display position disposed directly beneath said second display board when said second display board is in the raised position, a first flat vertically disposed cover board secured to said support member parallel to said second display board and having an opening through which said second display board may be viewed, a second flat cover board pivotally mounted on said support member adjacent said first flat cover member for movement between a first horizontal transport position and a second vertical display position in vertical alignment with said first flat cover board, means for moving said second flat cover board between said first and second positions, a third flat vertically disposed cover board mounted for vertical movement on said stand between a first position in horizontal alignment with said first display board and a second position below said first display board and means for moving said third flat cover member between said first and second positions.

Claim 11

An advertising display board for a mobile display system adapted to be mounted on the chassis of a vehicle comprising a stand adapted to be mounted for vertical movement on the chassis of a vehicle, means for moving said stand vertically relative to said chassis, a first vertically disposed display board carried by said stand, a support member mounted on said stand for vertical movement relative thereto, means for moving said support member vertically relative to said stand, a second display board carried by said support member whereby upon lowering of said support member, said second display board will be disposed at the same level as said display board for transport and upon raising said support member, said second display board will be disposed above said first display board to define an enlarged display surface, means for moving said first display board laterally relative to said stand between a transport position laterally offset from said second display board and a display position disposed directly beneath said second display board when said second display board is in the raised position, a first flat vertically disposed cover board secured to said support member parallel to said second display board and having an opening through which said second display board may be viewed, a second flat cover board pivotally mounted on said support member adjacent said first flat cover member for movement between a first horizontal transport position and a second vertical display position in vertical alignment with said first flat cover board, means for moving said second flat cover board between said first and second positions, a third flat vertically disposed cover board mounted for vertical movement on said stand between a first position in horizontal alignment with said first display board and a second position below said first display board and means for moving said third flat cover member between said first and second positions.

Claim 12

An advertising display board for a mobile display system as set forth in claim 8, further comprising a fourth flat vertically disposed cover board secured to said stand adjacent said first flat cover board, but laterally offset relative thereto to allow said first flat cover board to move vertically relative to said fourth flat cover board upon vertical movement of said support member, said fourth flat cover member having an opening for viewing said first display board.