| 摘要 |
A side frame assembly (2) for a wheelchair suspension includes a supporting frame unit (21) with an rider-supporting frame (211), a front caster frame (281), an upper link (22) having a front end connected pivotally to the front caster frame (281), and a lower link (231) disposed under the upper link (221) and having a front end connected pivotally to the front caster frame (281). A drive wheel frame (241) has a front lower end connected pivotally to a pivot portion (214) of the supporting frame unit (21). A connecting frame (25) has an upper pivot portion (251) connected pivotally to a rear end of the upper link (22), a lower pivot portion (252) connected pivotally to a rear end of the lower link (23), and a rear pivot portion (253) connected pivotally to the rear upper end of the drive wheel frame (241). |
