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US 10,493,609 B2Granted
Apparatus for installing fasteners and explosive loads for use therewith
OwnerFernando Masas, Joe Lininventors
Life of this patent
Estimating the term…
Abstract
An improved tool for installing an explosively driven fastener as well as an improved explosively driven fastener for use therewith are disclosed. The fastener includes a nail having a head with an explosive load attached thereto in a plastic cap that includes a buffer. The tool has a plurality of concentric cylinders and springs including a muzzle for receiving the fastener head and explosive load. A spring actuated firing pin ignites the load causing it to explode and drive the nail out of the tool. The explosion also automatically resets the tool. The tool and the fastener provide many advantages over existing explosively driven fasteners and the tools used to install them.
Claims16
A tool for installing an explosively driven fastener, the fastener including a nail and an explosive load attached to the nail, said tool comprising:
- a trigger body having a distal end, a proximal end, and a longitudinal axis;
- a firing pin holder located within said trigger body;
- a firing spring coupled to said firing pin holder and arranged to bias said firing pin holder toward the distal end of said trigger body;
- a firing pin coupled to said firing pin holder;
- a first muzzle having a proximal end and a distal end, said proximal end arranged to receive said firing pin and said distal end arranged to receive the fastener;
- a reset sleeve coaxially mounted within said trigger body;
- a reset spring biasing said reset sleeve away from said trigger body;
- a firing pin assembly guide extending into said trigger body,
- said reset sleeve and said first muzzle;
- said firing pin assembly guide having an outer flange;
- said reset sleeve having an inner flange engageable by said outer flange;
- said firing pin assembly guide has a proximal end portion which extends into said trigger body and said reset sleeve, and
- a distal end portion which extends into said first muzzle;
- wherein movement of said firing pin holder moves said firing pin relative to said trigger body, such that when the fastener is placed in the distal end of the first muzzle and the firing pin holder is biased toward the distal end of the trigger body by the firing spring, the firing pin strikes the explosive load causing the explosive load to explode and drive the nail out of the first muzzle;
- said tool further comprising:
- a trigger and a trigger spring mounted in said firing pin holder, said trigger being biased radially outward from within said firing pin holder;
- said firing pin assembly guide having a circular stop engageable by said trigger;
- wherein said firing pin assembly guide has a keyway intersecting said circular stop,
- and said trigger body has an internal key receivable by said keyway.
16 more elements
A kit, comprising:
- an explosively driven fastener, said explosively driven fastener comprising:
- a nail having a point and a head;
- a plastic cap having a proximal end and a distal end, said distal end coupled to said head;
- an explosive load mounted in said proximal end of said plastic cap;
- said plastic cap defining a buffer between said explosive load and said head;
- a tool for installing the explosively driven fastener,
- said tool comprising:
- a trigger body having a distal end, a proximal end, and a longitudinal axis;
- a firing pin holder located within said trigger body;
- a firing spring coupled to said firing pin holder and arranged to bias said firing pin holder toward the distal end of said trigger body;
- a firing pin coupled to said firing pin holder;
- a reset sleeve coaxially mounted within said trigger body;
- a reset spring biasing said reset sleeve away from said trigger body;
- a firing pin assembly guide extending into said trigger body, said reset sleeve and a first muzzle;
- said firing pin assembly guide having an outer flange;
- said first muzzle having a proximal end and a distal end, said proximal end arranged to receive said firing pin and said distal end arranged to receive the fastener;
- said reset sleeve having an inner flange engageable by said outer flange;
- said firing pin assembly guide has a proximal end portion which extends into said trigger body and said reset sleeve, and a distal end portion which extends into said first muzzle;
- wherein movement of said firing pin holder moves said firing pin relative to said trigger body, such that when the fastener is placed in the distal end of the first muzzle and the firing pin holder is biased toward the distal end of the trigger body by the firing spring, the firing pin strikes the explosive load causing the explosive load to explode and drive the nail out of the first muzzle;
- said tool further comprising:
- a trigger and a trigger spring mounted in said firing pin holder, said trigger being biased radially outward from within said firing pin holder;
- said firing pin assembly guide having a circular stop engageable by said trigger;
- wherein said firing pin assembly guide has a keyway intersecting said circular stop, and said trigger body has an internal key receivable by said keyway.
20 more elements
Dependencies are inferred from the claim text.