To provide a carriage traction device for pulling a carriage with less force, the device being designed to prevent the carriage and the carriage traction device from being disengaged by vibrations of the carriage and the carriage traction device during passage over a rough area or a step.SOLUTION: A carriage traction device 1 comprises: a first locking device 21 having an L-shape as viewed from a side, which is engaged with a lower part and a side part of a rod-like body 31 of a carriage 3; a second locking device 22 that locks an upper part of the rod-like body; and a locking-device moving mechanism that moves the two locking devices between an unlocking position where the upper part of the rod-like body is unlocked and a locking position where the upper part of the rod-like body is locked.SELECTED DRAWING: Figure 4
【課題】小さな力で台車を牽引するための台車牽引具であって、凹凸や段差を通過する際の台車及び台車牽引具の振動によって台車と台車牽引具との係合が外れてしまうことがないものを提供すること。【解決手段】台車3の棒状体31の下方と側方に係合される側面視L字状の第1の係止具21と、棒状体の上方を係止する第2の係止具22と、2の係止具を前記棒状体の上方を解放する解放状態と棒状体の上方を係止する係止状態との間で移動させる係止具移動機構とを備えることを特徴とする、台車牽引具1を提供する。【選択図】図4
CARRIAGE TRACTION DEVICE
台車牽引具
2020-01-09
Patent
Electronic Resource
Japanese
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |
European Patent Office | 2025
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