David C Saccente, 57PO Box 716, Manorville, NY 11949
David Saccente Phones & Addresses
Manorville, NY
Blue Point, NY
33 Robinson Ave, Medford, NY 11763 631-4478047 631-2890842
33 Robinson Ave, Medford, NY 11763 631-4478047
Education
Degree:
High school graduate or higher
Mentions for David C Saccente
Publications & IP owners
Us Patents
Retractable Ladder
US Patent:
2004020, Oct 14, 2004
Filed:
Feb 2, 2004
Appl. No.:
10/769376
Inventors:
David Saccente - Medford NY, US
Bryan Kalina - Medford NY, US
Bryan Kalina - Medford NY, US
International Classification:
E06C001/00
US Classification:
182/204000
Abstract:
A collapsible, folding ladder that may be extended to an enhanced length for the purposes of user convenience. In a first embodiment, the ladder comprises steps on one side and typical cross braces on the other side. In a commercial mode, the ladder comprises heavy duty rungs on both sides. A lower section of concentric legs retracts from the permanently affixed legs and is held in place by two locking pins. A pin lock hole layout is located on each side of the ladder, and consists of a previously-determined quantity of apertures for insertion of spring-loaded locking pins therein. In the preferred mode, the apertures are four inches apart, allowing the user to lower the retractable section to adjust height in four inch increments. Thus, the overall height of the ladder may extend in a previously-determined range, such as from five feet to eight feet, which allows the user to reach ceilings and other high objects safely when the ladder is fully extended.
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