IP Library › Granted Patent US 10,888,981
Granted Patent B2
US 10,888,981 · App. 15/817,221 · Granted Jan 12, 2021

Power tool having latched pusher assembly

Inventors: Larry E. Gregory (Baltimore, MD); Michael P. Baron (Pheonix, MD); Lee M. Brendel (Bel Air, MD); Todd A. Hagan (Windsor, PA); Stuart E. Garber (Towson, MD)
Assignee: Black & Decker Inc.
B25C1/001B25C1/005B25C5/162
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Quick Facts
Patent No.
US 10,888,981
App. No.
15/817,221
Filed
Nov 19, 2017
Granted
Jan 12, 2021
Kind
B2
Art Unit
3731
USPC
227/139
Abstract

A magazine for use with a fastening tool. The magazine can have a pusher assembly that can be retracted into a recess in the magazine to facilitate loading and reloading of fasteners. The pusher assembly can have a pusher assembly knob which can be reversibly latched to a detent to maintain the pusher assembly in a retracted state. The fastening tool can use a magazine which can be reloaded by a method which has a step of reversibly retracting the pusher assembly into the retracted state to allow for feeding one or more fasteners to the magazine.

Claims (26)

1. A fastening device, comprising:

a nosepiece assembly adapted to receive a fastener from a magazine;

a pusher assembly adapted to have an engaged state and a retracted state;

a power source adapted to power a fastener driving mechanism which can drive the fastener into a workpiece when triggered;

a microprocessor which executes a machine readable code and can process a data which indicates when the nosepiece assembly is not properly or completely connected to the magazine;

a sensor providing the data;

a recess into which the pusher is reversibly retracted at least in part when a pusher assembly knob is moved to reversibly retract a pusher to achieve the retracted state;

wherein the pusher is adapted to contact a fastener and to impart a force upon the fastener in a direction toward the nosepiece assembly when the pusher assembly is in the engaged state.

2. The fastening device, according to claim 1 , wherein the nosepiece assembly is a fixed nosepiece assembly.

3. The fastening device of claim 1 , wherein the sensor indicates when the nosepiece assembly is not properly or completely screwed into connection with the magazine.

4. The fastening device of claim 1 , further comprising a sensor providing a data that is processed by the microprocessor executing machine readable code that indicates the number of nails remaining to be fired.

5. The fastening device of claim 1 , further comprising a sensor providing a data that is processed by the microprocessor executing machine readable code that indicates the number of nails in the magazine.

6. The fastening device of claim 1 , further comprising a sensor providing a data that is processed by the microprocessor executing machine readable code that indicates when the magazine has less than a set number of fasteners, or that the magazine is empty.

7. The fastening device of claim 1 , further comprising a nail length sensor providing a second data input to the microprocessor indicating a length of one or more of the fasteners loaded into the magazine,

wherein the microprocessor executes the machine readable code that processes the second data.

8. The fastening device of claim 7 , wherein the microprocessor executes the machine readable code that processes the second data and adjusts a driving energy expended by the power source to drive tie a fastener having the length indicated by the second data an indicated length.

9. The fastening device of claim 1 , further comprising an energy control system that controls an energy expended by the power source in driving the fastener dependent upon a length of the fastener to be driven.

10. The fastening device of claim 1 , wherein the fastener is a nail.

11. The fastening device of claim 1 , wherein the power source is a battery.

12. A fastening device, comprising:

a nosepiece assembly adapted to receive a fastener from a magazine;

a power source adapted to power a fastener driving mechanism which can drive the fastener into a workpiece when triggered;

a microprocessor which executes a machine readable code and can process a data from a sensor; and

the sensor providing the data as an input to the microprocessor that processes the data to indicate when the magazine is not properly or completely connected to the nosepiece assembly.

13. The fastening device of claim 12 , wherein the fastener is a nail.

14. The fastening device of claim 12 , wherein the power source is a battery.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 27, 2017
From: GREGORY, LARRY E.; BARON, MICHAEL P.; BRENDEL, LEE M.; HAGAN, TODD A.; GARBER, STUART E.
To: BLACK & DECKER INC.
Reel/Frame 044226/0581 →
Continuity (3)
Continuation 13986732 · May 30, 2013
Continuation In Part 13485007 · May 31, 2012
Related Publication 20180071904A1 · Mar 15, 2018
Cited By (15)
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