Patent ID: 7533868

Claim:
A drive unit, without an engine frame, for an elevator, comprising: at least one motor; a drive pulley driven by said at least one motor; at least one brake for braking said drive pulley including a brake disc with a rim gear for engaging a gear pinion of an evacuating motor arranged at said drive pulley, said at least one brake acting by means of a brake shoe on said brake disc; said at least one brake having a brake caliper mounted to be floating and carrying said brake shoe and at which a carrier plate carrying an actuator is supported, wherein compression springs are supported at one end at said carrier plate and at another end at a pressure plate, wherein said pressure plate transmits a spring force of said compression springs to another brake shoe by pins guided by said brake caliper and for release of said at least one brake said actuator is activated to act by means of a pull rod on said pressure plate and relieves the spring force on said another brake shoe; a pair of spaced end plates, said at least one motor being arranged at one of said end plates and said at least one brake being arranged at one of said end plates; and a pair of pedestals, each said pedestal carrying one of said end plates.