| 摘要 |
A trash bin system used to secure the lids of a trash bin against unauthorized use. The system uses large and small lever arms pivotally engaged to each other that release the lids of the trash bin when the bin is lifted off the ground and inverted for dumping trash. The lever arms lock the lids shut once again after dumping is completed and the trash bin is set back down on the ground again. The small lever arms engage brackets mounted inside the trash bin keeping the lids shut when the bin is on the ground, and disengage from the brackets due to the force of gravity when the trash bin is inverted for dumping operations. A double pivot rear hinge mechanism may be used with each of the trash bin lids. Each mechanism is pivotally coupled to the rear end of one of the lids and to the back of the trash bin, and is used to hold the lid open when the trash bin is resting on the ground allowing a user to place trash into the trash bin.
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