초록 ▼

A power stapler including a cover shell, a base, a frame, a circuit board assembly, an electromagnetic valve, a magazine and tie plate assembly, an anvil, a micro-switch, a presser case assembly, a staple magazine constraint control device, an adjusting rod, and a linkage, wherein the valve block of

A power stapler including a cover shell, a base, a frame, a circuit board assembly, an electromagnetic valve, a magazine and tie plate assembly, an anvil, a micro-switch, a presser case assembly, a staple magazine constraint control device, an adjusting rod, and a linkage, wherein the valve block of the electromagnetic valve is controlled by the circuit board to drive the linkage causing the presser case assembly reciprocated to achieve a striking in driving a staple through the sheets of paper to be fastened; the adjusting rod is turned to move the circuit board assembly in changing the position of the micro-switch so that the binding position is adjusted.

대표청구항 ▼

A power stapler comprising a cover shell, a base, a frame mounted on said base, a circuit board assembly mounted on said frame at a bottom, an electromagnetic valve mounted on said frame at the bottom behind said circuit board assembly, a magazine and tie plate assembly mounted on said frame at a to

A power stapler comprising a cover shell, a base, a frame mounted on said base, a circuit board assembly mounted on said frame at a bottom, an electromagnetic valve mounted on said frame at the bottom behind said circuit board assembly, a magazine and tie plate assembly mounted on said frame at a top, an anvil mounted on said frame at the top, a micro-switch installed in said circuit board assembly, a presser case assembly disposed above said magazine and tie plate assembly and operated to move a striking plate thereof into said magazine and tie plate assembly to achieve a binding action, a staple magazine constraint control device, an adjusting rod for adjusting the position of said circuit board assembly, and a linkage, wherein: said frame comprises a front support, a first pivot axle transversely supported on said front support, a rear support, a second pivot axle transversely supported on said rear support, a slot, a hook at the top, and a sliding way at the bottom; said electromagnetic valve comprises a valve block connected to said linkage and controlled by said circuit board assembly to move back and forth; said circuit board assembly comprises a box, said circuit board received inside said box, said box having two opposite side rails made to slide in said sliding way of said frame, one side rail of said circuit board assembly having a toothed bottom wall; said micro-switch is installed in said circuit board, Having a switching lever extended out of said box and projecting over said frame; said magazine and tie plate assembly comprises a magazine seat having a coupling portion coupled to said staple magazine constraint control device by said second pivot axle and a bottom wall supported in an oblique position sloping upwards forwards above said frame by a supporting plate spring, a spring plate fixed to said magazine seat at a back, a staple magazine made to slide on said magazine seat and having a rear end stopped at said spring plate, a protecting block raised from said staple magazine at the back and constrained by said staple magazine constraint control device; said presser case assembly has a rear end pivotally connected to said second pivot axle and a front end spaced above said magazine and tie plate assembly and kinked to said linkage, comprising a frist hook and a second hook at a top, and a spring having one end fastened to said first hook and an opposite end inserted through a hole on said presser case assembly and connected to a hook on said magazine seat; said staple magazine constraint control device comprises a magazine constraint plate, a link, a first spring, and a second spring, said magazine constraint plate comprising a channel plate at a top pivotally coupled to the coupling portion of said magazine seat by said second pivot axle, a bottom end stopped against said projecting block of said staple magazine , the first spring of said staple magazine constraint control device having one end connected to said link and an opposite end connected to said frame, the second spring of said staple magazine constraint control device having one end fastened to a top end of said magazine constraint plate and an opposite end fastened to the second hook of said presser case assembly, the link of said staple magazine constraint control device being coupled to said frame at a back and having a driving plate at a front end thereof; said adjusting rod is mounted on said frame at the bottom, having a driving gear meshed with the toothed bottom wall on one side rail of said box of said circuit board assembly, said gear being turned by said adjusting rod to move said box of said circuit board assembly in said sliding way in changing the position of said switching lever of said micro-switch; said linkage comprises two opposite middle portions pivotally coupled to two opposite ends of said first pivot axle, two opposite rear ends inserted through the slot on said frame and coupled to two opposite ends of said valve block, a front cross rod linked to the front end of said presser case assembly, and a striking plate extending perpendicularly downwards from a front end thereof, said striking plate being forced into said staple magazine to drive a staple through a sheets of paper to be fastened, said linkage is oscillated to move said front cross rod downwards.