Axe head attachment
An axe head is attached to a handle in a manner that utilizes the inertia of the axe head to bear against a structure that resists separation of the axe head from the handle. In one example, that structure is a key that fits within the handle after the axe head is slid onto the handle, resisting passage of the axe head past the key. In another example, at least one end piece is joined to a narrowed, toothed section of the handle, forming an assembly with a friction fitted portion and an end portion with a diameter that exceeds the diameter of the hole in the axe head, retaining the axe head on the friction fitted portion of the handle assembly.
1. An axe, comprising:
a head having a top surface, a bottom surface, and an opening extending from the top surface to the bottom surface, the opening having a wall defining a channel therein, the channel having a closed end located at an intermediate portion of the opening and an open end opposite the closed end, the open end being located at to the top surface of the opening, the channel having a width and a depth;
a handle having a head attachment portion fitting within the opening and a grasping end opposite the head attachment portion, the head attachment portion having a hole, the hole being substantially aligned with the closed end of the channel, the hole having a width or a diameter that is substantially identical to the width of the channel, the hole further having a depth; and
a key disposed within the hole and within the closed end of the channel, the key having a length that is substantially equal to the sum of the depth of the hole and the depth of the channel, the key further having a width or a diameter that is substantially identical to the width or diameter of the hole;
whereby the key resists movement of the head away from the grasping end of the handle when the key is within the hole and the head is on the head attachment portion of the handle and permits movement of the head towards the grasping end of the handle.
2. An axe, comprising:
a head having a top surface, a bottom surface, and an opening extending from the top surface to the bottom surface, the opening having a wall defining a channel therein, the channel having a closed end located at an intermediate portion of the opening and an open end opposite the closed end, the open end being located at the top surface of the opening, the channel having a width and a depth, the head including a body having a cutting edge and a pair of flanges extending opposite the cutting edge, the flanges being disposed on opposing sides of the opening, each of the flanges defining at least one fastener hole disposed opposite the body;
a handle having a head attachment portion fitting within the opening and a grasping end opposite the head attachment portion, the head attachment portion having a hole, the hole being substantially aligned with the closed end of the channel, the hole having a width or a diameter that is substantially identical to the width of the channel, the hole further having a depth;
a key disposed within the hole and within the closed end of the channel, the key having a length that is substantially equal to the sur of the depth of the hole and the depth of the channel, the key further having a width or a diameter that is substantially identical to the width or diameter of the hole; and
a clamping fastener passing through the fastener holes;
whereby the key resists movement of the head away from the grasping end of the handle when the key is within the hole and the head is on the head attachment portion of the handle and permits movement of the head towards the grasping end of the handle.
3. The axe according to claim 2 , wherein:
the handle defines a channel therein, the channel being substantially aligned with the fastener holes; and
the clamping fastener passes through the channel defined in the handle when the head is fastened to the handle.
4. The axe according to claim 2 , wherein the clamping fastener includes a nut having an inwardly facing convex curved surface abutting a corresponding outwardly facing concave curved surface defined on one flange, and a threaded fastener passing through the fastener hole of the other flange and engaging corresponding threads defined within the nut.