| US 7,370,725 B1 | ||
| Motorized rungless ladder | ||
| Gary R Dornfeld, 523 Alden Ave., Westfield, N.J. 07090 (US) | ||
| Filed on Jan. 03, 2005, as Appl. No. 11/28,138. | ||
| Int. Cl. E06C 7/12 (2006.01) | ||
| U.S. Cl. 182—2.2 [182/2.5; 182/18; 182/37; 182/39; 182/69.6; 182/102; 182/106; 182/116; 182/126; 182/148; 182/194; 187/245; 187/267] | 23 Claims |
| 1. A device supported by a ground surface and a structure for at least one of elevating and descending a user comprising:
a. a first guide rail having a first channel extending along a length thereof;
b. a second guide rail having a second channel extending along the length thereof;
c. at least one connector for connecting said first guide rail with said second guide rail at a predetermined location along
a length thereof so that said first channel and said second channel face inwards towards each other;
d. a platform for supporting the user having a predetermined amount of weight, said platform is connected within each of said
first and second channels and between said first guide rail and second guide rail;
e. means for moving said platform along said length of each of said first channel and said second channel, wherein upon said
moving means being engaged by a user, said platform is moved distally towards at least one of a first end of said guide rails
and a second end of said guide rails opposite said first end thereby moving said user therealong; and
f. a leveling device for connecting said platform within each of said first channel and said second channel.
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