PROBLEM TO BE SOLVED: To secure a strengh in a drawing direction of the upper engaging pin while keeping the easiness of attachment/detachment in an upper hinge for an opening/closing door.SOLUTION: The upper end part of a cargo box is provided with a fork part 31 bifurcated at the upper end, a first socket 33 opened in a U shape to be capable of inserting a pair of right and left upper engaging pins 12 through this fork part 31, and a pair of upper support brackets 11 where circular arc inner peripheral surface 34 are formed. Further provided is a fastening member 40 having a second socket 41 opened in a U shape to be capable of inserting a pair of the upper engaging pins 12. The outer peripheral surface 40a of the fastening member 40 is covered even at a position higher than the upper end of the first socket 33 with the circular arc inner peripheral surface 34 of an opposite side region in a drawing direction of the upper engaging pins 12 with the first socket 33 opened in at least upper support bracket 11.SELECTED DRAWING: Figure 1
【課題】開閉扉用上部ヒンジにおいて上係合ピンの脱着の容易性を保ちながら抜き方向に対する強度も確保する。【解決手段】荷箱の上端部に、上端に二股に分かれた二股部31、この二股部31に左右一対の上係合ピン12をそれぞれ挿通可能にU字状に開口した第1受口33及び円弧状内周面34が形成された一対の上側支持ブラケット11を設ける。また、上係合ピン12を挿通可能にU字状に開口した第2受口41を有する固縛部材40を設ける。そして、少なくとも上側支持ブラケット11における、第1受口33が開口された上係合ピン12の抜け方向反対側領域の円弧状内周面34によって第1受口33の上端よりも高い位置においても固縛部材40の外周面40aを覆う。【選択図】図1
UPPER HINGE FOR CARGO BOX OPENING-CLOSING DOOR
荷箱の開閉扉用上部ヒンジ
2017-09-21
Patent
Electronic Resource
Japanese
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