Ladder rack with reducible width and/or height

A slide assembly for a ladder rack, comprising:

• first and second substantially parallel slide walls connected together by an intermediate, transverse bow slide wall, wherein at least one of a channel bar and a fastener bar are connected to the intermediate bow slide wall by at least one fastener, wherein the at least one fastener is adapted to be slidably received within a roof bow;
• a support flange connected to the second rail slide wall;
• a housing connected to the support flange, wherein a retention tube is rotatably mounted within the housing;
• and
• a gripper member is connected to the retention tube for selective movement therewith.

A ladder rack, comprising:

• a first slide assembly, comprising:
• first and second slide walls connected together by an intermediate bow slide wall, wherein the walls are adapted to selectively slide along a first roof bow;
• a support flange connected to the second slide wall;
• a housing connected to the support flange, wherein a retention tube is rotatably mounted within the housing;
• a first gripper member is connected to the retention tube for selective movement therewith;
• a second slide assembly, comprising:
• first and second slide walls connected together by an intermediate bow slide wall, wherein the walls are adapted to selectively slide along a second roof bow;
• a gripper platform slide connected to the second slide wall;
• a second gripper member removably connected to the gripper platform slide;
• a side tube having a first end portion connected to the support flange and a second end portion connected to the gripper platform slide;
• a slide tube having a first end portion connected to the support flange and a second end connected to the gripper platform slide;
• and
• a carriage having at least one slide tube housing and a side tube housing wherein the housings slidably receive the slide tube and the side tube therein, wherein the carriage extends between the tubes and selectively moves along the tubes.