Tool driving or impacting – With vehicle support for drive
Reexamination Certificate
1999-11-08
2001-06-26
Smith, Scott A. (Department: 3721)
Tool driving or impacting
With vehicle support for drive
C173S028000, C173S029000, C173S171000, C211S070600, C224S042210, C224S042380, C224S554000, C224S571000, C224S488000, C248S689000
Reexamination Certificate
active
06250400
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention is directed toward a carrier for a jackhammer or the like and more particularly, toward a carrier which may be mounted to a portion of the tongue of a trailer mounted air compressor.
Transporting a jackhammer from one location to another location as it is needed can be a strenuous and awkward task. That is, because of its size, weight, and bulkiness, one cannot easily store and secure a jackhammer for transportation. Furthermore, because the jackhammer may be needed frequently at a work site, it is necessary for it to be readily accessible to the worker without having to waste time and effort trying to remove it from its stored position.
There are several methods that are currently being used to transport jackhammers. For example, a worker may haul the jackhammer onto the bed of a truck. Also, the jackhammer may be fastened or otherwise tied to other equipment. A problem with laying the jackhammer on the bed of a truck is that it may not be held securely in place while it is being transported. As a result, damage may occur to the jackhammer. Also, because of the bulkiness of the jackhammer, it may not be easy to remove. Alternatively, the jackhammer may be held so securely when it is fastened to other equipment that it may become difficult to remove the jackhammer quickly and easily. Furthermore, releasing and removing the jackhammer may be time-consuming and require a great deal of effort.
In light of the current methods for transporting jackhammers, there is a need for a convenient and safe way to transport jackhammers. To Applicant's knowledge, no one has proposed an arrangement specifically designed to transport jackhammers.
SUMMARY OF THE INVENTION
The present invention is designed to overcome the deficiencies of the prior art discussed above. It is an object of the present invention to provide a carrier for a jackhammer which may be mounted to the tongue of a trailer mounted air compressor so that the jackhammer may be transported in an safe and convenient manner.
It is a further object of the present invention to provide holder for a jackhammer which is adjustable so that jackhammers of varying sizes may be held within the holder.
In accordance with the illustrative embodiments demonstrating features and advantages of the present invention, there is provided a carrier for a jackhammer or the like which includes a support column, an adjustable bracket slideably mounted to the support column, and a pocket secured to the lower end of the support column for receiving a jackhammer. Mounted to the support column is an L-shaped bracket which may be secured to the tongue of an air compressor. The adjustable bracket includes a U-shaped member with two arms and a rear wall. The jackhammer is placed between the arms and an elongated rod is used to retain the jackhammer in place. The pocket has two converging walls which do not contact each other. An opening is formed between the bottoms of the two walls and a bar is placed within the opening. Once the jackhammer has been placed within the carrier, the blade of the jackhammer rests on the bar. The L-shaped bracket is mounted to the support column at an angle, thereby causing the carrier to tilt slightly rearwardly when it is mounted to the tongue. This position, in turn, causes the jackhammer to lean backwardly once it is placed within the carrier so that the jackhammer remains securely within the carrier.
Other objects, features, and advantages of the invention will be readily apparent from the following detailed description of a preferred embodiment thereof taken in conjunction with the drawings.
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patent: 3172583 (1965-03-01), Smith
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patent: 4936531 (1990-06-01), Bauser
patent: 4998590 (1991-03-01), Wells
patent: 5558169 (1996-09-01), Madgwick et al.
patent: 5647489 (1997-07-01), Bellis, Jr.
patent: 6035948 (2000-03-01), Griffin
Lehrer Norman E.
Smith Scott A.
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