Quick-turning wrench

Abstract

A quick-turning wrench includes a driving end with a first jaw and a second jaw. The first and the second jaws respectively have a first and a second side, which face one another. The driving end defines an engaging space between the first and the second jaws. The driving end has a first grip-surface section, a second grip-surface section, and a third grip-surface section. The engaging space is partially delimited by the first, the second, and the third grip-surface sections. The first grip-surface section is adjacent to the first side and extends along a flat first phantom surface. The second and the third grip-surface sections are adjacent to the second side and respectively extend on a flat second phantom surface and a flat third phantom surface.

Claims

1. A quick-turning wrench comprising: a driving end with a first jaw and a second jaw, wherein the first and the second jaws respectively have a first and a second side, which face one another, wherein the driving end defines an engaging space between the first and the second jaws, wherein the driving end has a first grip-surface section, a second grip-surface section, and a third grip-surface section configured for gripping the object to be driven by the quick-turning wrench, wherein the engaging space is partially delimited by the first, the second, and the third grip-surface sections, wherein the first grip-surface section is adjacent to the first side and extends along a flat first phantom surface, wherein the second and the third grip-surface sections are adjacent to the second side and respectively extend along a flat second phantom surface and a flat third phantom surface, wherein the first phantom surface and the second phantom surface intersect with one another and have a first angle defined therebetween greater than 50 degrees and less than 85 degrees, wherein the second phantom surface and the third phantom surface intersect with one another and have a second angle defined therebetween greater than 90 degrees and less than 130 degrees, and wherein the first phantom surface and the third phantom surface intersect with one another and have a third angle defined therebetween greater than 1 degrees and less than 40 degrees.

2. The quick-turning wrench as claimed in claim 1, wherein the driving end has a first surface section, a second surface section, and a third surface section, wherein each of the first, the second, and the third surface sections is in a form of a recess and free of contact with the object to be driven when the object to be driven is driven by the quick-turning wrench, wherein the engaging space is partially delimited by the first, the second, and the third surface sections, wherein the first surface section is adjacent to the first grip-surface section, wherein the second surface section is adjacent to the third grip-surface section, and wherein the third surface section is adjacent to the second grip-surface section.

3. The quick-turning wrench as claimed in claim 2, wherein the second surface section has a segment adjacent to second grip-surface section, wherein the segment is flat, and wherein the segment is tilted from the third phantom surface at a fourth angle greater than 35 degrees and less than 50 degrees.

4. The quick-turning wrench as claimed in claim 3, wherein the second surface section has another segment orientated differently from the segment, and wherein another segment, as it extends away from the segment, moves away from the first phantom surface.

5. The quick-turning wrench as claimed in claim 4, wherein the first surface sections is in a form of a curved recess.

6. The quick-turning wrench as claimed in claim 1, wherein the second grip-surface section, as it extends away from the third grip-surface section, approaches the first phantom surface, and wherein the third grip-surface section, as it extends away from the second grip-surface section, approaches the first phantom surface.

7. The quick-turning wrench as claimed in claim 6, wherein the second grip-surface section and the first phantom surface has a minimum distance therebetween defining a first width, wherein the third grip-surface section and the first phantom surface has a minimum distance therebetween defining a second width, and wherein the first width is greater than 0.55 times of the second width and less than 0.7 times of the second width.

8. The quick-turning wrench as claimed in claim 7, wherein the first grip-surface section is perpendicular to a phantom axis, wherein the first grip-surface section terminates at the phantom axis, and wherein the third grip-surface section and the phantom axis has a minimum distance therebetween defining a depth greater than 0.2 times of the second width and less than 0.35 times of the second width.

9. The quick-turning wrench as claimed in claim 8, wherein the phantom axis does not intersect with the second, and the third surface sections.

10. The quick-turning wrench as claimed in claim 8, wherein the driving end has a first surface section, a second surface section, and a third surface section, wherein each of the first, the second, and the third surface sections is in a form of a recess and free of contact with the object to be driven when the object to be driven is driven by the quick-turning wrench, wherein the engaging space is partially delimited by the first, the second, and the third surface sections, wherein the first surface section is adjacent to the first grip-surface section, wherein the second surface section is adjacent to the third grip-surface section, and wherein the third surface section is adjacent to the second grip-surface section.

11. The quick-turning wrench as claimed in claim 10, wherein the second surface section has a segment adjacent to second grip-surface section of the second jaw, wherein the segment is flat, and wherein the segment is tilted from the flat third phantom surface at a fourth angle greater than 35 degrees and less than 50 degrees.

12. The quick-turning wrench as claimed in claim 11, wherein the first angle is greater than 65 degrees and less than 75 degrees, wherein the second angle is greater than 90 degrees and less than 105 degrees, wherein the third angle is greater than 10 degrees and less than 15 degrees, wherein the fourth angle is greater than 40 degrees and less than 45 degrees, wherein the first width is greater than 0.6 times of the second width and less than 0.65 times of the second width, and wherein the depth is greater than 0.25 times of the second width and less than 0.3 times of the second width.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is a perspective view of a quick-turning wrench in accordance with a first embodiment of the present invention.

(2) FIG. 2 is a partial, enlarged top view of the quick-turning wrench of FIG. 1.

(3) FIG. 3 illustrates the quick-turning wrench of FIG. 1 engaging with an object to be driven.

(4) FIG. 4 illustrates the object to be driven being turned after turning the quick-turning wrench of FIG. 1 in a first direction.

(5) FIG. 5 illustrates the quick-turning wrench of FIG. 1. turned in a second direction moving relative to the object to be driven.

(6) FIG. 6 is a perspective view of a quick-turning wrench in accordance with a second embodiment of the present invention.

(7) FIG. 7 is a partial, enlarged top view of the quick-turning wrench of FIG. 6.

(8) FIG. 8 illustrates the quick-turning wrench of FIG. 6 engaging with an object to be driven.

(9) FIG. 9 illustrates the object to be driven being turned after turning the quick-turning wrench of FIG. 6 in a first direction.

(10) FIG. 10 illustrates the quick-turning wrench of FIG. 6. turned in a second direction moving relative to the object to be driven.

DETAILED DESCRIPTION OF THE INVENTION

(11) FIGS. 1 through 5 show a quick-turning wrench 10 in accordance with a first embodiment of the present invention.

(12) The quick-turning wrench 10 has a driving end with a jaw 20 and a jaw 30. The jaws 20 and 30 respectively have a first and a second side, which face one another. The jaws 20 and 30 are configured to grip an object to be driven therebetween. The jaws 20 and 30 are fixed jaws. The driving end defines an engaging space 40 between the jaws 20 and 30. The engaging space 40 is configured to accommodate the object to be driven by the quick-turning wrench 10. The quick-turning wrench 10 is an open-end wrench.

(13) The driving end has a grip-surface section 21, a grip-surface section 31, and a grip-surface section 32 configured for gripping the object to be driven by the quick-turning wrench 10. The engaging space 40 is partially delimited by the grip-surface sections 21, 31, and 32. The grip-surface section 21 is adjacent to the first side of the jaw 20 and extends along a flat phantom surface P1. The grip-surface sections 31 and 32 are adjacent to the second side of the jaw 30 and respectively extend along a flat phantom surface P2 and a flat phantom surface P3. The grip-surface section 31, as it extends away from the grip-surface section 32, approaches the phantom surface P1. The grip-surface section 32, as it extends away from the grip-surface section 31, approaches the phantom surface P1. The grip-surface sections 21, 31, 32 are flat surfaces.

(14) The phantom surface P1 and the phantom surface P2 intersect with one another and have an angle A1 defined therebetween greater than 50 degrees and less than 85 degrees. Preferably, the angle A1 is greater than 65 degrees and less than 75 degrees. The phantom surface P2 and the phantom surface P3 intersect with one another and have an angle A2 defined therebetween greater than 90 degrees and less than 130 degrees. Preferably, the angle A2 is greater than 90 degrees and less than 105 degrees. The phantom surface P1 and the phantom surface P3 intersect with one another and have an angle A3 defined therebetween greater than 1 degrees and less than 40 degrees. Preferably, the angle A3 is greater than 10 degrees and less than 15 degrees.

(15) The driving end has a surface section 22, a second surface section 33, and a surface section 34. Each of the surface sections 22, 33, and 34 is in a form of a recess and free of contact with the object to be driven when the object to be driven is driven by the quick-turning wrench 10, as shown in FIGS. 3 and 4. The engaging space 40 is partially delimited by the surface sections 22, 33, and 34. The surface section 22 is adjacent to the grip-surface section 21. The surface section 22, as it extends away from the grip-surface section 21, moves away from an open distal end of the quick-turning wrench 10, which allows the object to be driven to be inserted into the engaging space 40. The surface sections 22 is in a form of a curved recess. The surface section 33 is adjacent to the grip-surface section 32. The surface section 33 has a segment adjacent to grip-surface section 32. The segment is flat. The segment is tilted from the phantom surface P3 at an angle A4 greater than 35 degrees and less than 50 degrees. Preferably, the angle A4 is greater than 40 degrees and less than 45 degrees. The surface section 33 has another segment orientated differently from the segment. Another segment, as it extends away from the segment, moves away from the phantom surface P1. Another segment is flat. The surface section 34 is adjacent to the grip-surface section 31.

(16) The grip-surface section 31 and the phantom surface P1 has a minimum distance therebetween defining a width W1. The grip-surface section 32 and the phantom surface P1 has a minimum distance therebetween defining a width W2. The width W1 is greater than 0.55 times of the second width W2 and less than 0.7 times of the second width W2. Preferably, the width W1 is greater than 0.6 times of the width W2 and less than 0.65 times of the width W2.

(17) The grip-surface section 21 is perpendicular to a phantom axis B. The phantom axis B does not intersect with the surface sections 33 and 34. The grip-surface section 21 terminates at the phantom axis B. The grip-surface section 32 and the phantom axis B has a minimum distance therebetween defining a depth D greater than 0.2 times of the width W2 and less than 0.35 times of the width W2. Preferably, the depth D is greater than 0.25 times of the width W2 and less than 0.3 times of the width W2.

(18) Furthermore, FIGS. 4 and 5 illustrate the quick-turning wrench 10 turned in a direction different from that of FIG. 4 can move relative to the object to be driven.

(19) FIGS. 6 through 10 show a quick-turning wrench 10a in accordance with a second embodiment of the present invention, and the same numbers are used to correlate similar components of the first embodiment, but bearing a letter a.

(20) The quick-turning wrench 10a has a driving end with a jaw 20a and a jaw 30a. The jaws 20a and 30a respectively have a first and a second side, which face one another. The driving end defines an engaging space 40a between the jaws 20a and 30a.

(21) The driving end has a grip-surface section 21a, a grip-surface section 22a, a grip-surface section 31a, and a grip-surface section 32a configured for gripping the object to be driven by the quick-turning wrench 10a. The engaging space 40a is partially delimited by the grip-surface sections 21a, 22a, 31a, and 32a. The grip-surface sections 21a and 22a are adjacent to the first side of the jaw 20a and respectively extend along a flat phantom surface P1a and a flat phantom surface P2a. The grip-surface sections 31a and 32a are adjacent to the second side of the jaw 30a and respectively extend along a flat phantom surface P3a and a flat phantom surface P4a. The grip-surface sections 21a, 31a, 32a are flat surfaces.

(22) The phantom surface P1a and the phantom surface P2a intersect with one another and have an angle A1 defined therebetween greater than 100 degrees and less than 150 degrees. The phantom surface P3a and the phantom surface P4a intersect with one another and have an angle A2 defined therebetween greater than 100 degrees and less than 150 degrees.

(23) The driving end has a surface section 50a, a surface section 60a, a surface section 70a, and a surface section 80a. Each of the surface sections 50a, 60a, 70a, and 80a is in a form of a recess and free of contact with the object to be driven when the object to be driven is driven by the quick-turning wrench 10a, as shown in FIGS. 8 and 9. The engaging space 40a is partially delimited by the surface sections 50a, 60a, 70a, and 80a. The surface section 50a is adjacent to the grip-surface section 22a. The surface section 50a is disposed between the grip-surface sections 21a and 22a. The surface section 60a is adjacent to the grip-surface section 31a. The surface section 60a is disposed between the grip-surface section 22a and 31a. The surface section 70a is adjacent to the grip-surface section 32a. The surface section 70a is disposed between the grip-surface sections 31a and 32a. Each of the surface sections 50a, 60a, and 70a is in a form of a curved recess. The surface section 50a is tangential to the phantom surface P2a. The surface section 60a is tangential to the phantom surface P3a. The surface section 70a is tangential to the fourth phantom surface P4a. The surface section 80a is adjacent to an end of the grip-surface section 32a different from the surface section 70a. The surface section 80a, as it extends away from the grip-surface section 32a, moves away from the first phantom surface P1a. The surface section 80a is in a form of a curved recess.

(24) The grip-surface section 21a is perpendicular to a phantom axis Ba. The grip-surface section 21a terminates at the phantom axis Ba. The phantom axis Ba does not intersect with the third and the fourth grip-surface sections 31a and 32a.

(25) Furthermore, FIGS. 9 and 10 illustrate the quick-turning wrench 10 turned in a direction different from that of FIG. 9 can move relative to the object to be driven.

(26) In view of the foregoing, the quick-turning wrench 10 according to the first embodiment of the present invention includes the grip-surface sections 21, 31, and 32 extending along the flat phantom surfaces P1, P2, and P3. The phantom surfaces P1, P2, and P3 are designed to extend on specific directions and to have specific relationships therebetween, for allowing a user to operate the wrench 10 in a first rotational direction to drive an object to be driven and in a second rotational direction, which is opposite to the first rotation direction. Thus, the user can operate the quick-turning wrench 10 to drive the object to be driven quickly. Specifically, the angle A1 is greater than 50 degrees and less than 85 degrees, the angle A2 is greater than 90 degrees and less than 130 degrees, and the angle A3 is greater than 1 degrees and less than 40 degrees.

(27) According to the second embodiment of the present invention, the quick-turning wrench 10a includes the grip-surface sections 21a, 22a, 31a, and 32a extending along the flat phantom surfaces P1a, P2a, P3a, and P4a. The phantom surfaces P1a, P2a, P3a, and P4a are designed to extend on specific directions and to have specific relationships therebetween, for allowing a user to operate the wrench 10a in a first rotational direction to drive an object to be driven and in a second rotational direction, which is opposite to the first rotation direction. Thus, the user can operate the quick-turning wrench 10a to drive the object to be driven quickly. Specifically, the angle A1 is greater than 100 degrees and less than 150 degrees, and the angle A2 is greater than 100 degrees and less than 150 degrees.

(28) The foregoing is merely illustrative of the principles of this invention and various modifications can be made by those skilled in the art without departing from the scope and spirit of the invention.