Mechanical devices Flashcards
1
Q
Bell crank
A
90° closer pivot is to output of lever, larger force
2
Q
Push/pull linkage
A
Parallel motion output direction same as input
3
Q
Pulley
A
Changes direction of force but no mechanical advantage
4
Q
Belt
A
Made up of 2 pulley wheels each on a shift connected by a belt can be used to change direction, speed or rotation
5
Q
Block and tackle
A
Pulley system used to lift heavy weights or to transfer forces in different directions.
6
Q
Idler gear
A
Additional gear placed between driving and driven gear to transfer motion without change of direction
