| 摘要 |
A strapping device includes two plates pivotally connected a U-shaped handle by a shaft to which two ratchets are disposed, each one of two distal ends of the handle has a cam means formed thereto, a control member and a pawl member respectively and movably disposed to the handle and between the two plates, both of the control and the pawl member engaged with the ratchets, a first board and a second board respectively and pivotally disposed between the two plates wherein a front end of the first board is located beneath a rear end of the second board, a first pin movably connected between the two plates and located beneath a rear end of the first board, two sliding plates slidably mounted to outside of the two plates with a first rod extending through third slots in the plates and the fourth slots in the sliding plates, the first rod received in a groove in a front end of the second board, a second rod extending through the fourth slots and first holes in the plates and a third rod connected between the two sliding plates. The first pin is lifted by a rotation of the cam means of the handle to actuate the first and the second board pivoted to let the sliding plates be pulled by a strap having one end thereof connected to the third rod and stopped within the third slots of the plates.
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