Patent ID: 7413055
Filing Date: 2008-08-19
Classification: B66B

Abstract:
1. An elevator comprising: a cage that ascends and descends guided on a pair of left and right cage-side guide rails within a shaft; a traction sheave that rotates around an axis line of rotation extending in a forwards/rearwards direction and arranged above one of said pair of left and right guide rails on a cage side; a drive device having an axis line that extends in a forwards/rearwards direction and that drives said traction sheave; a counterweight that ascends and descends within said shaft while being guided on a pair of front and rear weight-side guide rails below said traction sheave; a cage-side sheave provided on said cage; a wire rope wound onto said traction sheave and whereof an end thereof suspends said cage by means of said cage-side sheave and the other end thereof suspends said counterweight; and a machinery chamber provided above said shaft, which comprises: