| 摘要 |
A wheel bracket mechanism for an electric wheelchair equipped with auxiliary wheels, which comprises a frame, a pair of driver wheel brackets, four pedestal assemblies, a pair of caster brackets, a pair of oscillating assembly and a pair of anti-tipping brackets. The frame is provide with a pair of castor brackets at the front end and a pair of anti-tipping brackets at the rear end thereof, a pair of driver wheel brackets are secured to the frame with a front end stretching ahead of it and located between the castor brackets and the anti-tipping brackets, and between the castor brackets and the driver wheel bracket disposed an oscillating assemblies, four pedestal assemblies equipped with cushioning blocks are disposed at both sides of the front and rear end of the frame respectively in pairs with located opposite to each other.
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