Bobbin vs Pulley - What's the difference?
bobbin | pulley |
A spool or cylinder around which wire is coiled.
* Jan. 8, 2004 , Machine Design Magazine , p. 108
In a sewing machine, the small spool that holds the lower thread.
The little rounded piece of wood at the end of a latch string, which is pulled to raise the latch.
(haberdashery) A fine cord or narrow braid.
One of the simple machines; a wheel with a grooved rim in which a pulled rope or chain will lift an object (more useful when two or more pulleys are used together such that a small force moving through a greater distance can exert a larger force through a smaller distance).
As nouns the difference between bobbin and pulley
is that bobbin is a spool or cylinder around which wire is coiled while pulley is one of the simple machines; a wheel with a grooved rim in which a pulled rope or chain will lift an object (more useful when two or more pulleys are used together such that a small force moving through a greater distance can exert a larger force through a smaller distance).As a verb pulley is
to raise or lift by means of a pulley.bobbin
English
Noun
(en noun)- Ignition coils using a bobbin molded from high-performance polyester withstand open-circuit bench tests to 70kV.
- Wind the bobbin , place it in the machine, and raise the thread.