Claims
- 1. An inner roll stop mechanism usable with a wheelchair lift having a platform movable between a raised position and a lowered position, comprising:a bridge plate attached to said platform and having a channel; and a pivotal mechanism slideably attached to said bridge plate through said channel, said pivotal mechanism causing said bridge plate to rotate from a substantially vertical orientation to a substantially horizontal orientation in response to the platform moving from the lowered position to the raised position.
- 2. The inner roll stop mechanism of claim 1, wherein said pivotal mechanism includes a saddle bolt slideably mated with said channel.
- 3. The inner roll stop mechanism of claim 1, further comprising a spring coupled to said bridge plate and to said platform and urging said bridge plate to assume the substantially vertical orientation.
- 4. The inner roll stop mechanism of claim 1, wherein said pivotal mechanism includes:an upper parallelogram structure coupled to said platform; a hydraulic apparatus coupled to said upper parallelogram structure; and a lower parallelogram structure in sliding engagement with said upper parallelogram structure.
Parent Case Info
This application is a continuation of U.S. patent application Ser. No. 09/675,318 filed on Sep. 29, 2000 and issued as U.S. Pat. No. 6,461,097 on Oct. 8, 2002.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
6238169 |
Dupuy et al. |
May 2001 |
B1 |
6461097 |
Ablabutyan et al. |
Oct 2002 |
B1 |
Foreign Referenced Citations (1)
Number |
Date |
Country |
955029 |
Nov 1999 |
EP |
Continuations (1)
|
Number |
Date |
Country |
Parent |
09/675318 |
Sep 2000 |
US |
Child |
10/251433 |
|
US |