Title:
HEAT ROLLER CONVEYOR FOR PRINTING BUSINESS
Document Type and Number:
Japanese Patent JP2021031299
Kind Code:
A
Abstract:
To provide a heat roller conveyor for printing business.SOLUTION: The heat roller conveyor includes a handcart in which an elevating device capable of elevating and lowering the present invention is installed on the upper end surface of the wheelbarrow. The elevating device is equipped with a lock device that can lock the elevating device. An interlocking device located below the lock device is installed in the elevating device. The interlocking device is inspired by the operation of the locking device so that the locking device locks or unlocks the elevating device. The elevating device of the present invention can be stably elevated and lowered by using a screw rod and nut configuration. A safety device is installed under the elevating device, and after the elevating device stops rotating, the safety device can rotate to fix the screw rod. Absence of an automatic locking function of the screw rod and the nut caused by the impact of an external force prevents the present invention from moving downward.SELECTED DRAWING: Figure 1
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Inventors:
WU XIAOXIAO
Application Number:
JP2019217451A
Publication Date:
March 01, 2021
Filing Date:
November 29, 2019
Export Citation:
Assignee:
SHU YONGJUN
International Classes:
B66F9/075; B62B3/04; B62B5/06; B66F9/06
Domestic Patent References:
| JPH047300A | 1992-01-10 | |||
| JP2002029310A | 2002-01-29 | |||
| JPH05286699A | 1993-11-02 |
Attorney, Agent or Firm:
Kazuhisa Iwanaga