Rack type telescopic handle of horticultural shears

摘要

A rack type telescopic handle of horticultural shears includes a fixed handle with a rack, a movable handle sheathed on the fixed handle, and a control device installed at an end of the movable handle, a movable gear pivotally coupled to the control device, and the control device controls an engagement and a separation of the movable gear with the rack, so that the movable handle can slide to an appropriate position on the fixed handle before the movable handle is fixed to the fixed handle so as to adjust the length of the handle of the horticultural shears.

主权项

1. A telescopic handle of horticultural shears, comprising a fixed handle and a movable handle sheathed on the fixed handle, wherein the fixed handle comprises a rack longitudinally installed thereon, a control device installed at an end of the movable handle, a movable gear pivotally coupled to the control device by a pivot and engageable to the rack, an engagement driving portion and a separation driving portion formed at both ends of the movable gear on both sides of the pivot respectively, and both engagement and separation driving portions being controlled to ascend or descend alternately by using the pivot as a fulcrum, so that the movable gear and the rack are engaged with or separated from each other to adjust relative positions of the fixed handle and the movable handle,
wherein the control device comprises a casing and a driving push-button coupled to the casing and reciprocally slidable on the casing, and the casing has a through hole, and the movable gear is pivotally coupled to the casing by the pivot and disposed in the through hole, and the driving push-button is disposed above the through hole, and the driving push-button has a bump and pushes the engagement driving portion and the separation driving portion of the movable gear by moving the driving push-button reciprocally.