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  • B66F1/00
    		•  Devices, e.g. jacks, for lifting loads in predetermined steps HB CC 3F312
  • B66F1/02
    		•  .with locking elements, e.g. washers, co-operating with posts HB CC 3F312
  • B66F1/02@A
    		•  with separate locking members different from rising and falling members relatively moving against pillar e.g. additional pins for preventing falling, stopper washers (note: Locking members are mainly classified in this category that are either manually inserted into or mounted on posts for temporarily holding position of rising and falling member. Takes precedence to 1/04) HB CC 3F312
  • B66F1/02@B
    		•  intermittently rising and falling members with locking members relative to posts without having engagements or connections, e.g. adhered to pillar by solenoid, adhered to pillar by vacuum [figure] HB CC 3F312
  • B66F1/02@C
    		•  .with locking members using of wedges, e.g. pushing surface of locking members, sliding guides [figure] HB CC 3F312
  • B66F1/02@D
    		•  ..actuated mechanically, e.g. rising and falling by oscillating lever [figure] HB CC 3F312
  • B66F1/02@E
    		•  ..actuated by fluid means, e.g. cylinder devices provided with a set of wedge members on top and bottom HB CC 3F312
  • B66F1/02@H
    		•  .with locking members using of friction forces excluding wedges, e.g. applications of friction brakes, using of annular member arranged eccentric to pillar axis, using of annular members with variable diameter relative to pillar [figure] HB CC 3F312
  • B66F1/02@J
    		•  ..mechanically actuated, e.g. rising and falling by oscillating lever [figure] HB CC 3F312
  • B66F1/02@K
    		•  ..actuated by fluid means [figure] HB CC 3F312
  • B66F1/02@Z
    		•  Others HB CC 3F312
  • B66F1/04
    		•  ..the posts being toothed HB CC 3F312
  • B66F1/06
    		•  ...and the devices being actuated mechanically HB CC 3F312
  • B66F1/06@A
    		•  with locking members engaged and disengaged by oscillating relative to pillar with saw teeth, e.g. ratchet members [figure] HB CC 3F312
  • B66F1/06@B
    		•  with locking members engaged and disengaged by sliding along width of pillar relative to the same provided with sideway grooves or holes [figure] HB CC 3F312
  • B66F1/06@Z
    		•  Others HB CC 3F312
  • B66F1/08
    		•  ...and the devices being operated by fluid pressure HB CC 3F312
  • B66F1/08@A
    		•  with locking members engaged and disengaged by oscillating relative to pillar with saw teeth, e.g. ratchet members (note: So called centre hole jacks are classified here.) [figure] HB CC 3F312
  • B66F1/08@B
    		•  with locking members engaged and disengaged by sliding along width of pillar relative to the same provided with sideway grooves or holes [figure] HB CC 3F312
  • B66F1/08@C
    		•  features of fluid circuits, e.g. fluid control means for sequentially actuating rising and falling members or locking members [figure] HB CC 3F312
  • B66F1/08@Z
    		•  Others, e.g. locking member being as a nut engaging in threaded groove formed on pillar HB CC 3F312
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