Conveyor Patents (Class 414/507)
- Three-dimensional load-receiving portion includes movable load-underlying surface, and element comprises upright member attached to surface (Class 414/510)
- Pusher moved by ram movable to different positions along load-supporting platform (Class 414/511)
- Plural pushers on same vehicle (Class 414/512)
- Pusher guide means (Class 414/513)
- Pusher moved by flexible means (Class 414/514)
- Pusher moved by ram actuated by fluid pressure (Class 414/517)
- With means for locking roller against rotation (Class 414/530)
- With separate means movable vertically between load supporting and retracted positions (Class 414/531)
- Shiftably or removably supported on vehicle (Class 414/532)
- With means for preventing movement of load relative thereto (Class 414/536)