Patent ID: 7984666

Claim:
An apparatus for cutting a window covering comprising: a base; a first clamping assembly located on a preset position of said base and having a first seat; a first through groove formed on said first seat to pass through along a major axis of said window covering; two first clamping blocks positioned on the first seat for a head rail and a bottom rail of said window covering to lean on respectively and defining the first through groove; a first controlling device located on said first seat for adjusting the two first clamping blocks for clamping the window covering; a knife assembly positioned on said base adjacent to said first clamping device and provided with a knife base that has a cutting opening align with said first through groove for said window covering coming from said first through groove to extend out; a driving plate sliding relative to said knife base and moving along a perpendicular moving path toward said window covering; a knife being fixed on and driven by said driving plate to transversely cut said window covering; a measuring assembly being positioned on a preset location of said base behind said knife assembly and provided with a seat that is pivotally connected with a blocking plate extended toward to and correspond to said cutting opening for stopping said window covering and as a benchmark for measuring a length of said window covering to be cut off; the knife assembly comprising a guiding device fixed on said driving plate for leading said blocking plate of said measuring assembly to move away from said cutting opening; said blocking plate of said measuring assembly is a plate, and have an arcuate surface at an end of the plate corresponding to a pushing surface of said guiding device; and a driving assembly being positioned on said base adjacent to said knife assembly and provided with a driving set to control said driving plate of said knife assembly, and an operating set being used for controlling said driving set.