# US 2014/0190319 A1 · Adjustable wrench

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- Number: US 2014/0190319 A1
- Document ID: US20140190319A1
- Status: Published application
- Kind: A1
- Application number: 13/738,951
- Filed: 2013-01-10
- Published: 2014-07-10
- Earliest claimed: 2013-01-10
- Inventors: Yu Tsung Chen
- Web page: https://patentgrep.com/patent/US20140190319A1

## CPC

- B25B 13/14: by rack and pinion, worm or gear
- B25B: TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING

## Abstract

An adjustable wrench is provided with a handle including a head; a fixed jaw formed with the head; a slot through the head; a cavity in the head and communicating with the slot, a shaft channel through the cavity; a forward recess in the fixed jaw; a rearward well in the head; a head cover including an opening aligned with the cavity, a forward protrusion fitted in the recess, and a rearward protuberance fitted in the well; a joining assembly for joining the head and the head cover; a moveable jaw including an adjustable shank received in the slot, and serrated teeth along the adjustable shank; a thread screw adjustment driver in both the cavity and the opening; and a assembly shaft in the shaft channel and through the thread screw adjustment driver. The thread screw adjustment driver is threadedly secured to the serrated teeth.

## Claims

### Claim 1

An adjustable wrench comprising:
a handle comprising a head;
a fixed jaw integrally formed with the head;
a slot formed through the head;
a cavity formed in the head and communicating with the slot,
a shaft channel formed through the cavity;
a forward recess formed in the fixed jaw;
a rearward well formed in the head;
a head cover comprising an opening aligned with the cavity, a forward protrusion fitted in the forward recess, and a rearward protuberance fitted in the rearward well;
a joining assembly for joining the head and the head cover;
a moveable jaw comprising an adjustable shank received in the slot, and serrated teeth formed along the adjustable shank;
a thread screw adjustment driver disposed in both the cavity and the opening; and
an assembly shaft rotatably disposed in the shaft channel and formed through the thread screw adjustment driver;
wherein the thread screw adjustment driver is threadedly secured to the serrated teeth; and
wherein the head cover is complimentary to the head.