SLIDE 1
Lift Ladder
Silver B
why?
Probl blem em:
50-100 lb shingle packs 500,000 accidents in roofing $11B in injuries
Lift Ladder Silver B Probl blem em: 50-100 lb shingle packs - - PowerPoint PPT Presentation
Lift Ladder Silver B Probl blem em: 50-100 lb shingle packs - - PowerPoint PPT Presentation
Lift Ladder Silver B Probl blem em: 50-100 lb shingle packs 500,000 accidents in roofing $11B in injuries why? Conce cerns rns: safe efficient affordable how? what? Conce cerns rns: safe efficient
SLIDE 2
SLIDE 3
how?
Conce cerns rns:
safe efficient affordable
SLIDE 4
what?
SLIDE 5
how?
Conce cerns rns:
safe efficient affordable
SLIDE 6
how?
The Question stion:
Can we build a functional track system that allows the load to safely and smoothly travel up and down a ladder lift?
SLIDE 7
how?
The Model el:
locking mechanism minimal friction smooth travel
SLIDE 8
who?
SLIDE 9
who?
SLIDE 10
who?
Marke ket:
136,000 professional roofers in 2010 18% growth by 2020
- ver $850M in ladder sales
SLIDE 11
who else?
wo wooden n shingle hoist manual homemade Tr TranzSport
- rter
gas or electric $1400-$1900
SLIDE 12
what now?
incorporate cranking system safe release mechanism size/collapsible
SLIDE 13