Unit Load Conveying Surface Means Moved About An Endless Or Rotating Path Patents (Class 198/793)
- By coacting with guide only while transiting from one direction to another (Class 198/798)
- Plural endless means support and maintain conveying surface horizontally orientated while moving around associated but axially displaced sprockets power-driven section (Class 198/799)
- By constant engagement with guide means throughout conveying course of travel (Class 198/800)
- Holder grips load (Class 198/867.02)
- Holder for hollow load contacts interiorly (Class 198/867.09)
- Holder formed of nongripping elements which separate from each other as they pass through a curved path (Class 198/867.1)
- Holder means forms recess to receive or seat load (Class 198/867.11)
- Holder means forms an aperture for receiving load (Class 198/867.12)
- Holder has frictional engagement with drive (Class 198/867.13)
- Holder has positive engagement with drive (Class 198/867.14)
- Holder is attached by a detachable connector to the drive (Class 198/867.15)
- Holder supported and driven by horizontally spaced drive (Class 198/803.2)
- Each conveying surface means abbutted and pushed by succeeding conveying surface means (Class 198/795)
- Relatively adjustable grippers space portion of load (Class 198/803.4)
- Suction gripper (Class 198/803.5)
- Magnetic or electrostatic gripper (Class 198/803.6)
- Gripper portion biased to load engaging position (Class 198/803.7)
- Gripper portion made of resilient material which is self biased into engaging position (Class 198/803.8)
- Cam means moves at least one portion of the gripper to a load engaging position (Class 198/803.9)
- Gripping portions self-open as they pass through a curved path (Class 198/803.1)