Fire escape – ladder – or scaffold – Ladder – Supporting surface compensating means
Patent
1999-01-27
2000-04-04
Stodola, Daniel P.
Fire escape, ladder, or scaffold
Ladder
Supporting surface compensating means
182202, 2481882, 2481884, E06C 100
Patent
active
060449292
ABSTRACT:
A ladder leveling device that is free-standing and is not installed, or fixed to, the existing ladder (80). Simple, one-person operation of device provides quick convenient way to establish a level and stable work surface over non-level ground, allowing the safe mounting of most common ladders onto device frame (10). Trough (12) provides safe and secure positioning of ladder on top of leveled device. Range of device support, leg (25), adjustment is adequate to provide for safe use on common residential stairs. Infinite adjustment of supports allows precise leveling. Inclinometer (40) displays precise, accurate device-leveling information for safety and ease of operation. All-terrain footing devices (30) provide sturdy use on various ground types.
REFERENCES:
patent: D359366 (1995-06-01), Spevak
patent: 3520506 (1970-07-01), Szohatzky et al.
patent: 3993275 (1976-11-01), Lucas
patent: 4014406 (1977-03-01), Easton
patent: 4054103 (1977-10-01), Gabriel
patent: 4069893 (1978-01-01), Blackstone
patent: 4095671 (1978-06-01), Forristall et al.
patent: 4243122 (1981-01-01), Coutts
patent: 4456095 (1984-06-01), Hodson
patent: 4673061 (1987-06-01), Zeiset
patent: 4683982 (1987-08-01), Baker
patent: 4683983 (1987-08-01), Murphy
patent: 4687075 (1987-08-01), Skaggs
patent: 4699247 (1987-10-01), Clarke
patent: 4799573 (1989-01-01), Simnovec et al.
patent: 5325936 (1994-07-01), Baker
patent: 5339921 (1994-08-01), Faupel
patent: 5341899 (1994-08-01), Casamento
patent: 5615752 (1997-04-01), Wassil
patent: 5669462 (1997-09-01), Jennings
patent: 5771992 (1998-06-01), Snyder
patent: 5791438 (1998-08-01), Kempton
Stodola Daniel P.
Thompson Hugh B.
LandOfFree
Ladder leveling device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Ladder leveling device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ladder leveling device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-357014