JPS574432A - Dump truck rear swinger door automatic opening/closing unit - Google Patents
Dump truck rear swinger door automatic opening/closing unitInfo
- Publication number
- JPS574432A JPS574432A JP7796580A JP7796580A JPS574432A JP S574432 A JPS574432 A JP S574432A JP 7796580 A JP7796580 A JP 7796580A JP 7796580 A JP7796580 A JP 7796580A JP S574432 A JPS574432 A JP S574432A
- Authority
- JP
- Japan
- Prior art keywords
- swinger
- door
- shaft
- arm
- load
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
PURPOSE: To perform a discharging of the load smoothly without hitting a rear swinger door when dumping the load and also to thereby protect the rear swinger door from a damage or a wearing by having the rear swinger door almost opened full at an initial stage of a dumping work.
CONSTITUTION: A subframe 2 is provided on a chassis frame 1, and a dump-load box 3 is supported by using a shaft at a rear end of the subframe 2 to be tilted backward by using an appropriate means. The dump-load box 3 consists of a bottom plate 5, both side walls 6 and a rear swinger door 9 which is supported by a shaft in a manner to be capable of swinging by means of a support arm 7 at the rear end upper portion of the dump-load box. A torque shaft 10 is mounted on a main girder 11 which exists at a lower part of the luggage box 3 and the both side walls 6 in a manner to be capable of rotating. A first arm 12 is fixed to the torque shaft 10, and at the fore-end thereof, a roller 14 is supported on a shaft which comes into contact with a cam piece 13. Furthermore the both ends of the torque shaft 10 are placed inside the walls 6 and the base portion of a second arm 15 is fixed to it. The both ends of a link 16 are connected to the second arm 15 and the support arm 7 of the swinger door.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7796580A JPS574432A (en) | 1980-06-09 | 1980-06-09 | Dump truck rear swinger door automatic opening/closing unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7796580A JPS574432A (en) | 1980-06-09 | 1980-06-09 | Dump truck rear swinger door automatic opening/closing unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS574432A true JPS574432A (en) | 1982-01-11 |
Family
ID=13648656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7796580A Pending JPS574432A (en) | 1980-06-09 | 1980-06-09 | Dump truck rear swinger door automatic opening/closing unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS574432A (en) |
-
1980
- 1980-06-09 JP JP7796580A patent/JPS574432A/en active Pending
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