Gear pantograph 1
Green and blue gears have same tooth number. OCD: straight line AC and BD are parallel. Triangles OAC and OBD are similar. OC/OD = OA/OB = AC/BD = k = …
0
Tag: Pantograph
Bar pantograph 5b
ABDC: parallelogram. EFGH: straight line G: immobile Point E, F, G and H do not necessarily coincide with vertices of the parallelogram. Figures traced by pens E, F and H …
0
Belt pantograph 1
Green and blue pulleys have same diameter. COD: straight line AC and BD are parallel. Triangles OAC and OBD are similar. O: immobile OC/OD = OA/OB = AC/BD = k …
0
Bar pantograph 9
This 3D copying mechanism is based on “Reproducing a planar trajectory 3a” shown in Brown bar pivots in the vertical plan. Red tracer of the brown bar moves on yellow …
0
Bar pantograph 4
ABDC: parallelogram. FOE: straight line O: immobile OE/OF =OD/OC = k = constant Point O or F do not necessarily coincide with an vertex of the parallelogram. Figures traced by …
0
Bar pantograph 6
OABC: parallelogram. Triangles ADB and CBE are similar. Triangles DAO, DBE and OCE are similar. Triangles ODE and ABD are similar. O: immobile Figures traced by pen E and pen …
0
Bar pantograph 7a
ABCD: parallelogram OCE: straight line O: immobile OE/OC = BE/BD = k = constant Figures traced by pointer E and pin C are similar. Scale factor is k. This is …
0
Gear pantograph 2
Green and blue gears have same tooth number. COD: straight line AC and BD are parallel. Triangles OAC and OBD are similar. O: immobile OC/OD = OA/OB = AC/BD = …
0
Bar pantograph 7b
ABCD: parallelogram OCE: straight line O: immobile OE/OC = BE/BD = k = constant Figures traced by pointer E and pin C are similar. Scale factor is k. This is …
0
Pantograph for drawing circles
Blue, orange, green and yellow bars create a pantograph. Two red pins and blue one are in line. The blue pin traces a circle. Its center O lays on O1O2: …
0