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Crane with automatic adjustable tightening mechanism
A hoisting crane that comprises a male shaft, a female shaft, a locking shaft, a tightening spring, a hoisting arm, a pressure arm, a top shoe, a bottom shoe, a top bearing, and a bottom bearing. The crane is portable and collapsible and is equipped with an automatic adjusting tightening mechanism that fixes and secures the crane to the work room floor and ceiling using a spring and in a way that the greater the load on the crane, the more the pressure arm increases the tightening force that the crane applies to the work room floor and ceiling.
Crane with automatic adjustable tightening mechanism
A hoisting crane that comprises a male shaft, a female shaft, a locking shaft, a tightening spring, a hoisting arm, a pressure arm, a top shoe, a bottom shoe, a top bearing, and a bottom bearing. The crane is portable and collapsible and is equipped with an automatic adjusting tightening mechanism that fixes and secures the crane to the work room floor and ceiling using a spring and in a way that the greater the load on the crane, the more the pressure arm increases the tightening force that the crane applies to the work room floor and ceiling.
Crane with automatic adjustable tightening mechanism
GOMANI RONEN (author) / SHEFI TIMOR (author) / GOETA ITAMAR (author)
2017-04-11
Patent
Electronic Resource
English
Handcuff with Automatic Over-Tightening-Prevention Mechanism
| European Patent Office | 2023
Handcuff with automatic over-tightening-prevention mechanism
| European Patent Office | 2023