Patent ID: 8250765
Filing Date: 2012-08-28
Classification: A01G

Abstract:
1. A pruning hook comprising: an extension shank having a first end and a second end; a fixed blade mounted on the first end of the extension shank; a movable blade pivotally connected with and movable relative to the fixed blade; a driving cord connected with the movable blade to drive the movable blade to move relative to the fixed blade; a control member movably mounted on the extension shank and connected with the driving cord to drive and move the driving cord; and a positioning device mounted on the control member and detachably locked onto the extension shank to releasably lock the control member onto the extension shank, wherein the second end of the extension shank has a side provided with a locking hole; and the positioning device includes: a receiving seat mounted on the control member; an adjusting cap mounted on the receiving seat; a positioning pin movably mounted in the receiving seat and having a first end provided with a locking stub detachably locked in the locking hole of the extension shank to releasably lock the control member onto the extension shank and a second end extending through and protruding outwardly from the adjusting cap; a rotation knob rotatably mounted on the adjusting cap and connected with the second end of the positioning pin to move the positioning pin relative to the extension shank; and a push spring mounted on the positioning pin and biased between the adjusting cap and the first end of the positioning pin to push the locking stub of the positioning pin toward the extension shank.