PROBLEM TO BE SOLVED: To provide a transportation dolly which is prevented from falling from an opening formed on a ground surface or a building construction etc.SOLUTION: A transportation dolly 1 includes: a loading platform 2; front wheels 3, rear wheels 4; a brake mechanism 5; a step detection mechanism 6, and an operation transmission shaft 7. The step detection mechanism 6 has: a step detection part 21; and a detection side rotary member 22. The step detection part 21 is disposed in front of the front wheels 3 in a travel direction and contacts with a ground surface. The detection side rotary member 22 supports the step detection part 21 and is rotatably supported by a rear surface 2b. The operation transmission shaft 7 transmits rotation operation of the detection side rotary member 22 to the brake mechanism 5. The brake mechanism 5 puts a brake on rotations of the front wheels 3 or the rear wheels 4 in conjunction with the rotation operation of the detection side rotary member 22 transmitted by the operation transmission shaft 7.SELECTED DRAWING: Figure 1
【課題】地面や建築構造物等に形成された開口部から落下することを防ぐことができる運搬台車を提供する。【解決手段】運搬台車1は、荷台2と、前輪3と、後輪4と、ブレーキ機構5と、段差検知機構6と、作動伝達軸7と、を備えている。段差検知機構6は、段差検知部21と、検知側回動部材22と、を有している。段差検知部21は、前輪3よりも進行方向の前方に配置され、地面に当接する。検知側回動部材22は、段差検知部21を支持し、裏面2bに回動可能に支持される。そして、作動伝達軸7は、検知側回動部材22の回動動作をブレーキ機構5に伝達する。ブレーキ機構5は、作動伝達軸7で伝達された検知側回動部材22の回動動作に伴って、前輪3又は後輪4の回転を制動する。【選択図】図1
TRANSPORTATION DOLLY
運搬台車
2017-04-06
Patent
Electronic Resource
Japanese
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |