Cutlery – Cutting tools – With blade moving means
Reexamination Certificate
2000-01-07
2001-06-05
Payer, Hwei-Siu (Department: 3724)
Cutlery
Cutting tools
With blade moving means
C030S296100, C172S013000, C172S015000
Reexamination Certificate
active
06240644
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a trimmer with retractable handle.
2. Description of the Related Art
Many designs for trimmers have been designed in the past. None of them, however, include a retractable handle to allow a user to position the cutting head to operate vertically. Conventional trimmers are designed for the cutting head to operate horizontally and users are forced to hold the trimmer in an uncomfortable position when they desire to make vertical cuts.
Applicant believes that the closest reference corresponds to U.S. Pat. No. 4,442,659 issued to Enbusk. However, it differs from the present invention because Enbusk's patent shows a very complicated mechanism to obtain the vertical position of the cutting head.
Other patents describing the closest subject matter provide for a number of more or less complicated features that fail to solve the problem in an efficient and economical way. None of these patents suggest the novel features of the present invention.
SUMMARY OF THE INVENTION
It is one of the main objects of the present invention to provide a trimmer that can be readily handled to operate on horizontal and vertical planes.
It is another object of this invention to provide a trimmer that can be implement by modifying conventional edgers.
It is still another object of the present invention to provide a trimmer that is volumetrically efficient for transportation and storage.
It is yet another object of this invention to provide such a device that is inexpensive to manufacture and maintain while retaining its effectiveness.
Further objects of the invention will be brought out in the following part of the specification, wherein detailed description is for the purpose of fully disclosing the invention without placing limitations thereon.
REFERENCES:
patent: 4145810 (1979-03-01), Belliston
patent: 4282652 (1981-08-01), Ballas, Sr.
patent: 4364435 (1982-12-01), Tuggle et al.
patent: 4442659 (1984-04-01), Enbusk
patent: 5740613 (1998-04-01), Swistun et al.
Payer Hwei-Siu
Sanchelima J.
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