| Show One of the most useful Inventions lt V I rocntly I In l view I of the many accidents acci-dents lust occur In elevators Is I a device de-vice now patented for the automatic closing of the doors There Is no rope dl hror7 I pulley or weight connected mith the door only a sprlne hlch acts on the door catch and as It Is I nlnajB Insight In-sight It I Ii 1 easily tenoned mben out of order It Is raid to work as follows Th moment tho car begins to ascend end the door on the ground floor Dnjmence to clove aI hy the tIe I he floor 01 i tb car Is I three feet hgh II Is I shut and IIghlly lockod Th door of Ihe nt floor landing begin to oln lhn the elevator Is I about three feet 1olonlt still la wide open nt the exact moment mhen the oeoulnt Are preparI to step out Further Upward movement causes the door 10 hut again and the mral sequence 01 operations opera-tions again Oren ell |
