NONE
NONE
Hand held drivers have been generally known in the art for some time. However, due to the general axial alignment of the bit and the handle, it is often difficult for the user to exert sufficient torque on a work piece such as a nut.
Prevailing hand tool designs have attempted to mitigate this problem by providing the handle with a segment that is pivoted from an axially aligned position to a generally transverse position relative to the axis of the handle. However, these designs often require additional parts in order to achieve the desired function.
Therefore it is desirable to provide an adjustable handle configuration that effectively integrates the torque bar to the multi-configuration handle of the tool.
The present invention is directed to a hand held tool having a handle that can be oriented as a torque bar with a ratchet built into the handle. The invention can be described as a ratcheting hand tool, comprising a handle, a first bit holder oriented along the longitudinal axis of said handle, located at one end of said handle, a second bit holder positioned toward the opposite end from said first bit holder, said second bit holder positioned within said handle, with the axis of said second bit holder oriented perpendicularly to the longitudinal axis of said handle, said second bit holder further comprising a ratchet mechanism, and a removable tool bit, comprising a shaft that can be securely inserted into, and compatible with, said first and second bit holders. When the tool bit is inserted into the second bit holder in the handle, the shaft functions as a torque bar.
An object of the present invention is to provide a handle that can be reconfigured as a ratcheted torque bar readily accessible for the user and can be easily and efficiently reconfigured to accept different size and types of bits.
Yet another object of the present invention is to provide a hand held driver having a strong and durable handle housing that is capable of withstanding and deliver the additional torque load to which the driver may be subjected.
Yet another object of the present invention is to provide a simpler ratcheting mechanism that does not require a directional control switch, but instead has the user reverse the physical orientation of the handle in order to reverse the direction of the ratchet.
The first preferred embodiment of the tool comprises a handle 1, a first bit holder positioned at one end of said handle 2 oriented along the longitudinal axis of the handle, a second bit holder with a ratcheting mechanism 3 imbedded toward the opposite end of the first bit holder, with the second bit holder's axis oriented perpendicularly to the longitudinal axis of the handle, and an interchangeable tool bit comprising of a shank 6, a shaft 4, and a tip 5 can be inserted to either bit holders 2 and 3.
Turning to
Turning to
The bit holder 2 can include a magnet inside to further secure the shank 6, or alternatively be a chuck, or any other means of securely holding the shank well known in the industry.
The shape of the shank 6 can be made of multiple varieties, including but not limited to straight shank, hex shank, SDS shank, triangle shank, morse taper shank, and square shank. As long as the shape of the shank is compatible with the shape of the bit holders 2 and 3, any type of shank can be made compatible with the present invention, and should be immediately clear to a person having ordinary skill in the art. The preferred embodiment of the present invention is in the form of hexagonal shank that can fit a chuck of an electric drill and other conventional handles with interchangeable shafts. Nevertheless, it should also be clear to someone having ordinary skill in the art that the shape of the shank comes in the form of a proprietary shape that is compatible with the bit holders, and the present patent encompasses this variation as well.
The location of the second bit holder 3 relative to the handle 1 is governed by the underlying principle of torque. By placing the second bit holder at the end of the handle 1, and orienting the axis of the bit holder perpendicular to the longitudinal axis of the handle, the optimum amount of torque can be delivered through the hand tool. It should be understood that the placement of the second bit holder therefore highly depends on the shape of the handle. Someone skilled in the art will be able to figure out the optimum placement of the second bit holder with respect to the handle by a simple calculation of torque physics.
The shape and cross-sectional geometry of the handle 1 can take any form commonly found in the field. The present disclosure is not meant to be limited to conventionally shaped handles, but further encompass other designs found in the field including but not limited to T-handles and L-handles.
The handle can be decorated with some indicator informing the user of the direction of the ratchet in the second bit holder 3 upon quick inspection of the handle. The indicator can be in the form of a plurality of colors, directional arrows, illustrations, diagrams, and the like.
Turning to
With respect to the above description then, it is to be realized that the optimum dimensional relationships for the parts of the invention, to include variations in size, materials, shape, form, function and manner of operation, assembly and use, are deemed readily apparent and obvious to one skilled in the art, and all equivalent relationships to those illustrated in the drawings and described in the specification are intended to be encompassed by the present invention.
Therefore, the foregoing is considered as illustrative only of the principles of the invention. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the invention to the exact construction and operation shown and described, and accordingly, all suitable modifications and equivalents may be resorted to, falling within the scope of the invention.
61/448,732
Number | Date | Country | |
---|---|---|---|
61448732 | Mar 2011 | US |