V3 2017 09 05 Contents of the Lifter Kit Wooden pieces 1 cm crosssection 8 X 91 cm 6 X 8 cm 4 X 2025 cm 2 X 825 cm 2 X 38 cm 3 X 25 cm Green corner gussets 2 cards Syringes 20cc 2 1 has a hole in the plunger ID: 648778
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Slide1
Lifter
Step-by-step assembly instructions
V.3 – 2017 09 05Slide2
Contents of the Lifter Kit
Wooden pieces (1 cm cross-section): 8 X 9.1 cm; 6 X 8 cm; 4 X 20.25 cm; 2 X 8.25 cm; 2 X 3.8 cm; 3 X 2.5 cm
Green corner gussets: 2 cardsSyringes, 20cc: 2 (1 has a hole in the plunger)
Plastic Tubing: 1 length
Wooden dowel, 3/16” diam.: 2 X 12.75 cm; 1 X 7.75 cm
Axle Holders: 16Syringe Holder: 1Mini-washers: 8Stirring Sticks: 2Plus a small piece of sandpaper
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Make a 10 cm cube using 8 X 9.1 cm pieces and 4 X 8 cm pieces
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Just in case you need help making the cube
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Glue two 20.25 cm pieces to one side of the cube. Reinforce by gluing two strips 10 cm Long and 1 cm wide on the side. Cut these from
the green card.
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Glue two 8 cm pieces between the long uprights and reinforce with four green
triangular gussets
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Mark the center of an axle holder and mark 6.3 cm from the corner furthest from the uprights. Glue an axle holder onto the outside of the cube as shown. Check it is horizontal and parallel to the last 8 cm piece you
glued.
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Glue two more axle holders on the inside edges to reinforce. Make sure the holes line up
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Glue an axle holder onto the outside
of the upright pieces so that the centre of the hole is 3.8 cm from the top of the upright and the holder
points towards the cube. Once you confirm that the axle is perpendicular to the uprights glue two more axle holders on the
inside as shown.
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9Slide10
Glue together three 2.5 cm
wooden pieces using glue between the pieces. Cover the three pieces with a piece of green card and then glue two axle holders to opposite sides and
trim the ends of the triangles as shown below and on the next slide. This is the platform that will hold the acting syringe.
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Once everything is dry test in the structure using a long axle and ensure smooth rotation
.
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Make the arm by connecting two 20.25 cm pieces and the two 2.8 cm pieces. Use 8 corner gussets – four on each side.
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On this arm frame glue an axle holder in place
as shown below. Use a long axle to align and glue another axle holder on the outside of the opposite side. Test that the axle sits across the frame parallel to the shortest end.
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13Slide14
Glue another axle holder in place so that its smallest angle touches the smallest angle of the axle holder already glued to the frame. In the same way align and glue in place another axle holder on the outside, align it and glue in place two more axle holders on the inside of the frame. The four axle holders must allow for a smooth rotation by the shorter axle.
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There are a number of steps in assembling the mechanism. The first is to identify the syringe that has a hole drilled in its plunger. The shorter axle fits through this hole and should turn in it. The axle and plunger fit between the double axle holders on the arm and the outside, protruding axle is secured using a mini-washer on each end.
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15Slide16
Remove the backing from the syringe clip to reveal a sticky pad. Carefully place the pad onto the green surface of the platform and apply some pressure until the clip is secure. Place the barrel of the syringe into the clip so that the clip aligns with the ’15’ mark or thereabouts
as shown.
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16Slide17
Mount the syringe platform onto the structure so the lip points toward the uprights and the barrel is above the axle. Secure with four mini-washers, two securing the syringe platform and two securing the axle ends on the outside of the structure
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17Slide18
Carefully insert the plunger into the barrel of the syringe until the holes at the end align with the holes in the axle holders glued to the uprights. Once aligned, carefully insert the axle through all six holes. The axle is secured with a mini-washer at each end.
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18Slide19
To operate the mechanism attach the length of plastic tubing to the end of the acting syringe that is now housed in the structure. The other syringe should be fully extended before it is connected to the other end of the tubing. Gently push the plunger down. This syringe drives the acting syringe.
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19Slide20
LIFTER - open
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LIFTER - closed
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