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US 12,275,342 B2Granted
Automatic traveling cart
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsTetsuya Kanata, Yozo Iwami, Yuhei Katsumata, Daisaku Honda, Saki Narita, Hideki Fukudome, Takuya Watabe, Naoko Ichikawa, Yuta Maniwa, Yuki Nishikawa
Life of this patent
Estimating the term…
Abstract
An automatic traveling cart includes a connecting arm that connects a wheelchair to a front portion or a rear portion of the automatic traveling cart. The automatic traveling cart transports the wheelchair while a user is placed on the wheelchair without intentionally placing the wheelchair on the cart.
Claims8
An automatic traveling cart comprising:
- a connecting arm that connects a wheelchair to a front portion or a rear portion of the automatic traveling cart, and the connecting arm maintains contact of the wheelchair with ground as the automatic traveling cart moves the wheelchair, the connecting arm includes a fixture configured to secure the connecting arm to a handle of the wheelchair and a shock absorber having a piston rod that expands and contracts to allow vertical movement between the automatic traveling cart and wheelchair and maintain contact of the wheelchair with the ground.
An automatic traveling cart comprising:
- a connecting arm that connects a wheelchair to a front portion or a rear portion of the automatic traveling cart, and the connecting arm maintains contact of the wheelchair with ground as the automatic traveling cart moves the wheelchair, the connecting arm includes a fixture configured to secure the connecting arm to the wheelchair and a shock absorber having a piston rod that expands and contracts to allow vertical movement between the automatic traveling cart and wheelchair and maintain contact of the wheelchair with the ground, the connecting arm includes a forearm and an upper arm connected together by a joint that allows rotational adjustment therebetween, with the joint configured to lock and maintain an angle between the forearm and the upper arm, and the upper arm comprises the piston rod.
Dependencies are inferred from the claim text.