# US 5,699,948 A · Adjusting means for use in a staple gun

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- Number: US 5,699,948 A
- Document ID: US5699948A
- Status: Granted
- Kind: A
- Application number: 08/767,442
- Filed: 1996-12-16
- Granted: 1997-12-23
- Earliest claimed: 1996-12-16
- Inventors: Cheng-ho Lee
- Web page: https://patentgrep.com/patent/US5699948A

## CPC

- B25C 1/14: acting on an intermediate plunger or anvil (pistols for slaughtering or stunning animals A22B3/02)
- B25C: HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS (for shoemaking A43D)

## Abstract

An adjusting mechanism for use in a staple gun includes an adjuster which is movably received within a slot defined in an outer tube and communicating with a chamber thereof, such that the movement of the adjuster will change the space within the chamber and therefore alter a thrust generated by an explosion of cartridge and which impacts agsinst a staple releasably received within the staple gun.

## Claims

### Claim 1

An adjusting means for use in a staple gun comprising
an inner tube having a driving rod and a piston movably received therein, said piston being securely connected with one end of said driving rod;
an outer tube having a slot defined therethrough and a chamber integrally defined in an end thereof and communicating with said slot, said inner tube being fixedly encased within said outer tube;
an adjusting knob;
a seat securely mounted onto said outer tube and having a space and a first hole defined therein; and
an indicating block having an indicator securely and tightly received within said space of said seat, an adjuster integrally formed with said indicator and movably received within said slot of said outer tube and a threaded rod integrally formed with said indicator and threadingly connected with said adjusting knob.

### Claim 2 (depends on 1)

The adjusting means for use in a staple gun as claimed in claim 1 further having a window defined in said seat and communicating with said space of said seat, whereby a part of said indicator is exposed from said window.