block and tackle

English Thesaurus

1. pulley blocks with associated rope or cable (noun.artifact)

hypernym	:	hoist,
definition	:	lifting device for raising heavy or cumbersome objects (noun.artifact)

part holonym	:	block, pulley, pulley block, pulley-block,
definition	:	a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope (noun.artifact)