PLATFORM TRUCK WITH FOLDABLE CASTER UNIT

PLATFORM TRUCK WITH FOLDABLE CASTER UNIT

Provided is a platform truck with a foldable caster unit. The platform truck comprises a bearing plate (1), a load-bearing supporting frame (2) and a caster unit (3), and further comprises a caster unit rotation driving device, wherein the caster unit rotation driving device comprises an operating h...

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1. Verfasser: JIAN, Shikun
Format: Patent
Sprache:chi ; eng ; fre
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HAND-PROPELLED VEHICLES, e.g. HAND CARTS, PERAMBULATORS
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
PERFORMING OPERATIONS
SLEDGES
TRANSPORTING
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creator JIAN, Shikun
description Provided is a platform truck with a foldable caster unit. The platform truck comprises a bearing plate (1), a load-bearing supporting frame (2) and a caster unit (3), and further comprises a caster unit rotation driving device, wherein the caster unit rotation driving device comprises an operating handle (4), connecting rods (5), a front linkage mechanism (6) and a rear linkage mechanism (7). The operating handle (4) is pivoted with the bearing plate (1) and can rotate around a pivot axis of the operating handle. When the operating handle (4) rotates from a first position to a second position, the operating handle (4) can be in linkage with the front linkage mechanism (6) and the rear linkage mechanism (7) by means of the connecting rods (5), so as to respectively drive a front caster unit and a rear caster unit to rotate from a folded storage position to an unfolded rolling position. The front caster unit and the rear caster unit are both provided with reset device. When the operating handle (4) rotates from
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subjects HAND-PROPELLED VEHICLES, e.g. HAND CARTS, PERAMBULATORS
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
PERFORMING OPERATIONS
SLEDGES
TRANSPORTING
title PLATFORM TRUCK WITH FOLDABLE CASTER UNIT
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