Cutlery – Cutting tools – Plural cooperating blades
Reexamination Certificate
1999-01-05
2001-04-10
Rachuba, M. (Department: 3724)
Cutlery
Cutting tools
Plural cooperating blades
C030S298000
Reexamination Certificate
active
06212780
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a cutting instrument, and more particularly to a cutting instrument, such as scissors having an adjustable handle for fitting the users' fingers of various sizes.
2. Description of the Prior Art
Typical cutting instruments, such as scissors, comprise a pair of blades pivotally coupled together and each having a handle secured to one end thereof. The handles each has an opening for receiving the fingers of the users. However, the openings of the handles may not be changed or adjusted for fitting various sizes of the users' fingers.
The present invention has arisen to mitigate and/or obviate the afore-described disadvantages of the conventional handles for scissors.
SUMMARY OF THE INVENTION
The primary objective of the present invention is to provide a cutting instrument having an adjustable handle for fitting the users' fingers of various sizes.
In accordance with one aspect of the invention, there is provided a cutting instrument comprising a pair of blades pivotally coupled together at a pivot shaft and each including a first end having a cutting edge formed thereon and each including a second end, a first handle attached to the second end of a first of the blades, a second handle attached to the second end of a second of the blades, and means for adjusting the second handle relative to the second blade.
The second handle adjusting means includes means for forcing the second handle to engage with the second end of the second blade. The second handle includes a slot formed therein for receiving the second end of the second blade, the second handle adjusting means includes a latch pivotally coupled to the second handle at a pivot axle, the latch includes a cam means for forcing the second handle to engage with the second end of the second blade.
The second handle includes a stop extended inward of the slot thereof, the second end of the second blade includes at least one recess formed therein for receiving the stop of the second handle and for securing the second handle to the second end of the second blade.
The first handle includes a base having a free end, a cap and means for securing the cap to the base for forming a loop for receiving a finger of a user. The first handle includes at least one aperture formed therein and includes a hole formed in the free end of the base, and the cap includes a first end engaged in the hole of the base and includes a second end engaged with the aperture of the first handle for securing the cap to the base. The first handle may include two or more apertures for receiving the second end of the cap and for adjusting the cap relative to the base and for fitting the users' fingers of various sizes.
Further objectives and advantages of the present invention will become apparent from a careful reading of a detailed description provided hereinbelow, with appropriate reference to accompanying drawings.
REFERENCES:
patent: 5109608 (1992-05-01), Pracht
patent: 5781999 (1998-07-01), Chang
patent: 5953823 (1999-09-01), Huang
Baxley Charles E.
Rachuba M.
Vaughn T. Anthony
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