Title:
ENERGY DAMPER-STORAGE DEVICE FOR LOW FLOOR VEHICLE ACCESS RAMP
Document Type and Number:
WIPO Patent Application WO/2012/024664
Kind Code:
A3
Abstract:
A ramp assembly includes a frame assembly, a ramp connected to the frame assembly, a diive member having first and second engagements, and a counterbalance mechanism cooperating with the drive member. The ramp is pivotable relative to the frame assembly and has a deployed position and a stowed position. The drive member is configured to move the ramp between the deployed position and the stowed position. The counterbalance mechanism includes a gas strut having a first end and a second end. The first end of the gas strut is secured to the frame assembly and the second end of the gas strut is movable relative to the frame assembly. The first and second engagements of the drive member are configured to engage the second end of the gas strut.
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Inventors:
SAUCIER STANTON D (US)
FERNANDEZ JAIME (US)
FERNANDEZ JAIME (US)
Application Number:
PCT/US2011/048569
Publication Date:
May 10, 2012
Filing Date:
August 22, 2011
Export Citation:
Assignee:
RICON CORP (US)
SAUCIER STANTON D (US)
FERNANDEZ JAIME (US)
SAUCIER STANTON D (US)
FERNANDEZ JAIME (US)
International Classes:
B60P1/43; B60P1/00; B65G69/28
Domestic Patent References:
| WO2009134975A1 | 2009-11-05 |
Foreign References:
| US7533432B2 | 2009-05-19 | |||
| US5111912A | 1992-05-12 | |||
| US4503722A | 1985-03-12 |
Attorney, Agent or Firm:
BYRNE, Richard, L. et al. (One Gateway Center Suite 1200,420 Fort Duquesne Boulevar, Pittsburgh Pennsylvania, US)
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