Background The existing Adjustable Wrench's Opening and Closing of its Active Orifice is actualized through coordination between Leading Screw and Worm Wheel, which resulted in slow adjustment and manpower-waste, in addition, the unavoidable clearance in structure of coordination between Leading Screw and Worm Wheel have made Active Orifice of the Adjustable Wrench release being operated, which resulted in damage on sharp corners of the screw, unsafe and inconvenience during operation.

The Aim of this Invention is to avoid abovementioned demerits resulted from prevailing technology, and supplying a coordination of Dual Block and Dual Slip-Lock System, with non-release on Active Orifice being pressed, instant adjustment, direct action on Active Orifice, reliable grip on workpiece and enhanced efficiency of the adjustable wrench.

Summary In accordance with an aspect of the invention, an Adjustable Wrench is provided, which comprises: Active Orifice; Main Body; Lock-Block; Small Wrench-Button; Spring; and Flat-Tip Screw, wherein the Active Orifice A and its Many Body are coordinated by Convex-Slot Track, a Convex-Block O is set on bottom end on Working Jaw of Active Orifice A, Convex-Block is inlaid into Slide-Slot N, where is away from Plane D by 10mm-25mm, a Long Round-Tip Slot E is located on bottom end of Working Jaw of Convex-Block C of Active Orifice A, a Lock-Block F is inlaid in Long Round-Tip Slot E, both the max. Dia. from Plane S to Plane U on Convex-Block and the max. Dia. between Place J and Place L on Lock-Block are longer than the width of Slide-Slot N by 0.2mm-3mm Preferably, Convex-Block: sizes-length/8mm width/5mm-12mm Also preferably, Slide-Slot N: sizes-length/40mm width/I Omm-20mm, depth/6mm-12mm Also preferably, Long Round-Tip Slot E: sizes-length/16mm width/8mm- 16mm,depth/6mm-12mm; Also preferably, Lock-Block F: sizes-length/16mm width/6mm-16mm, depth/6mm-12mm Brief Description of Drawing Embodiments of the invention are described hereinafter with reference to the following drawing, in which: Figure 1 shows the structure of an Adjustable Wrench according to an embodiment of the Invention; and Figure 2 shows an enlarged part of Structure of the Adjustable Wrench.

Detailed Description To actualize above aims, an Adjustable Wrench according to embodiments of the Invention adopted the coordination of/between Active Orifice A and Main Body B through Convex Slide Track, a Convex-Block C is loaded on bottom end of Active Orifice A, its length/width is 8mm-16mm/5mm-12mm ; the Convex-Block C is inlaid in Slide-Slot N on Main Body being away from Face D of Active Orifice for a distance of 1Omm-25mm, the length of Slide-Slot N is 40mm-80mm, width: 10mm -20mm, depth: 6mm-12mm; a Long Round-Tip Slot E is located on bottom End of Convex-Block C on Active Orifice A, its length is 16mm-38mm, width: 8mm ~ 18mm, depth: 6mm-12mm; a Lock-Block F is inlaid in Long Round-Tip Slot E, the length of F is 16mm-30mm, width: 6mm-16mm, depth: 6mm-12mm; a Spring is set in Hole G on Long Round-Tip Slot E to withstand Place H on Lock-Block F, making both Place J of Lock-Block and Place L with Arcuate Side on bottom of Lock-Block locked firmly the two (2) sides of Slide-Slot N. Due to the considerable device on dimension of Convex-Block C locating on bottom of Active Orifice A, the pressure on Active Orifice are transmitted to Face S, and Face U of Convex-Block, Plane J and Plane L of Lock-Block, and in the mean time, being converted to be the force to lock on two (2) sides of Slide-Slot N, the max. Dia. From Face S to Face U on Convex-Block C and the max. Dia. Of Lock-Block between Place J and Place L are above the width of Slide-Slot N for 0.02mm-3mm, the distances between Active Orifice A to Convex-Block C and Lock-Block F is considerably designed; the dimension of Convex-Block C and Lock-Block F are well coordinated with Slide-Slot N, the more pressure made on Active Orifice of the wrench, the more power coming from Convex-Block C and Lock-Block F to lock firmly the two (2) sides of the Slide-Slot N, and with non-release on Active Orifice. While Pushing Place Z in direction to P, the Active Orifice A will be closed instantly for reason of no Convert-Power being made without distance. A Small Wrench-Button is set in Place W on bottom end of Lock-Block, where there is no gap to exert and convert forces, the Active Orifice A is opened by turning the Small Wrench-Button; while Active Orifice is forced, the two (2) sides of Slide-Slot F are extruded by Convex-Block C and Lock-Block F, which resulted Non-Release of Active Orifice A, reliable wrenching, instant adjustment and developed Operating Efficiency.

The designed structure of the an Adjustable Wrench according to embodiments of the Invention guarantees Flexible and instant Adjustment while the Small Wrench-Button is turned and Places A and Z on Active Orifice A being pushed, the force on Convex-Block C and Lock-block F that comes from Active Orifice is converted as the power to withstand the sides/faces on Slide-Slot N due to the reasonable design of distances between-Active Orifice and Convex-Block as well as Lock-Block F; the Lock-Force comes from both Convex-Block C and Lock-Block F. The very strong extrusion coming from two (2) Block and two (2) Slip Lock system ensured Non-Release of the Active Orifice being pressed, which brings up with external force to be transmitted amply on workpiece, reliability, flexibility and convenient operation.

Within Figure 1: (A) Active Orifice; (B) Main Body; (C) Convex-Block siting on bottom of Active Orifice; (D) bottom plane of Working-Jaw of Main Body; (N) Slide-Slot under Main Body's Working-Jaw; (E) Long Round-Tip Slot to inlay Lock-Block under Active Orifice; (F) Lock-block; (G) Spring Hole on Long Round Tip Slot; (H) place withstood by Spring on Lock-Block; (J) plane on Lock-Block to lock and withstand Slide-Slot; (L) Arc Face of Lock-Block on bottom end of Lock-Block to lock and withstand Slide-Slot; (Face S) Small plane on Convex-Block to extrude top side of Slide-Slot; (Face U) Small plane on Convex-Block to extrude bottom side of Slide-Slot; An Adjustable Wrench according to a preferred embodiment of the Invention is described hereinafter with reference to attached Figures: the Adjustable Wrench, which is composed of : (A) Active Orifice; (B) Main Body; (F) Lock-Block, small Wrench-Button, Spring and Flat-Tipped Screw; as illustrated in Figure 1 and Figure 2: the coordination between Active Orifice and Main Body B is formed by Convex-Slot Track, a Convex-Block C is set on bottom of Active Orifice A, the length of this Convex-Block C is of 12.8mm, width: 8mm, the Convex-Block is placed into Slide-Slot N, where is 15mm apart from top plane of Working-Jaw on Main Body, the length of Slide-Slot N is 50mm, width: 12mm and depth: 9mm; a Long Round-Tip Slot E is set under Working-Jaw of Convex-Block C on Active Orifice A, which has a length of 20mm, width of 10mm and depth of 8.3mm, and a Lock-block is loaded in it; the length of Lock-block F is 12.8mm, width: 9.5mm and depth: 8mm; a Spring is inlaid in Hole G on Long Round-Tip Slot E to withstand Place H on Lock-Block F, this system has made two (2) sides on Slide-Slot N extruded by Places J and L on Lock-Block. While forces on Working-Jaws are transmitted to Face S and Face U on Convex-Block that already inserted in Slide-Slot N and Place J on top part of Lock-Block and Arc plane L on bottom part of Lock-Block, the forces are converted as power to withstand and lock two (2) sides of Slide-Slot N; On Convex-Block C, the max. Dia. From Face S to Face U and max. Dia. between Place J to Face L on Lock-Block are longer than width of Slide-Slot N for 0.8mm; thanks to the reasonably designed distance from active Orifice A to Convex-Block C and Lock-Block F, and reasonable coordination on dimension between Convex-Block C and Slide-Slot N, the more Dual-Force to withstand two (2) sides of Slide-Slot N that came from both Convex-Block C and Lock-Block F while more extrinsic pressure that exerted on Working-Jaws, and Non-Release on Active Orifice is then actualized therefore. Pushing on Active Orifice A in direction to P, the Active Orifice slides to close instantly, because there is no distance existing. A Small Wrench-Button is arrayed on bottom end of Lock-Block, where is the area without distance to result conversion of force, turn on this Small Wrench-Button to open Active Orifice instantly. Main Body B, Active Orifice and Lock-Block F are module-forged with material of #40 Chrome Steel, quenched, polished, chrome plated after being machined, the Spring is made of #65 Mn.

Steel. The two (2) sides of Slide-Slot N are withstood strongly by Dual Pressure effected by Convex-Block C and Lock-Block F while Active Orifice A is forced, which resulted Non-Release. This Invention actualized Non-Release, Instant Adjustment by coordination of Dual-Block and Dual-Slip-Lock system, and Direct Action to push Active Orifice, Reliable Grip on workpiece, Flexible and Convenient Operation and with Easier Manufacturing.