Hairdressing scissors for cutting small amount of hair or special style

Information

  • Patent Grant
  • 6385851
  • Patent Number
    6,385,851
  • Date Filed
    Friday, May 11, 2001
    23 years ago
  • Date Issued
    Tuesday, May 14, 2002
    22 years ago
  • Inventors
  • Examiners
    • Watts; Douglas D.
    Agents
    • Kamrath; Alan
    • Rider, Bennett, Egan & Arundel, LLP
Abstract
A pair of hairdressing scissors comprises first and second scissor elements pivotally connected together, each scissor element including a blade portion. The blade portion of the second scissor element has a cutting edge. The blade portion of the first scissor element includes a plurality of teeth that are spaced by an interval. Each tooth on the second scissor element includes a distal end having a first side that faces the cutting edge of the first scissor element and a second side that faces away from the cutting edge. The first side of the distal end of each tooth includes a distal first guide face and a second guide face extended from the distal first guide face. The distal first guide face has a slope smaller than that of the second guide face. The second guide face includes a cutting edge that cooperates with the cutting edge of the second scissor element for cutting hair. A distal beveled face and a third guide face are formed between the first side and the second side of the distal end. The distal beveled face guides hair to be cut. The guide face meets the first side at the cutting edge.
Description




BACKGROUND OF THE INVENTION




1. Field of the Invention




The present invention relates to a pair of hairdressing scissors for cutting small amount of hair or special shape.




2. Description of the Related Art





FIG. 9

of the drawings illustrates a pair of conventional hairdressing scissors which includes two scissor elements


3




a


and


3




b


pivotally connected together. The scissor element


3




a


includes a blade portion


36


with a plurality of wide teeth


32


that are spaced by larger interval


34


. The hair amount cut by a pair of scissors is decided by the overall widths of all of the teeth


32


, and the pair of scissors in

FIG. 9

may cut about 50% of hair that is held between and thus cut by two blade portions


36


and


38


.

FIG. 10

of the drawings illustrates another pair of conventional hairdressing scissors which includes two scissor elements


4




a


and


4




b


pivotally connected together. The scissor element


4




a


includes a blade portion


46


with a plurality of narrow teeth


42


that are spaced by smaller interval


44


. Such a pair of scissors may cut about 50% of hair that is held between and thus cut by two blade portions


46


and


48


.

FIG. 11

of the drawings illustrates a further pair of conventional hairdressing scissors which includes two scissor elements


5




a


and


5




b


pivotally connected together. The scissor element


5




a


includes a blade portion


56


with a first set of spaced wide teeth


52


and a plurality of second sets of narrow teeth


53


, each second set of narrow teeth


53


being arranged between two adjacent wide teeth


52


. Such a pair of scissors may cut about 80% of hair that is held between and thus cut by two blade portions


56


and


58


.

FIG. 12

of the drawings illustrates still another pair of conventional hairdressing scissors which includes two scissor elements


6




a


and


6




b


pivotally connected together. The scissor element


6




a


includes a blade portion


66


with a plurality of medium-sized teeth


62


that are spaced by medium-sized interval


64


, each tooth


62


having a V-shape groove


65


in a distal end thereof. Such a pair of scissors may cut about 60% of hair that is held between and thus cut by two blade portions


66


and


68


.




Each of the teeth


32


,


42


,


52


,


53


,


63


of the scissors shown in

FIGS. 9 through 12

include a single guide face


37


,


47


,


57


,


67


on a side thereof that faces the blade portion


38


,


48


,


58


,


68


the scissor element,


3




b


,


4




b


,


5




b


,


6




b


for guiding the blade portion


38


,


48


,


58


,


68


of the scissor element,


3




b


,


4




b


,


5




b


,


6




b


to be in intimate contact with the blade portion


36


,


46


,


56


,


66


, of the scissor element


3




a


,


4




a


,


5




a


,


6




a


, thereby achieving the required cutting function. Nevertheless, in some cases it is required to cut hair by small amount or cut into special style wherein some hair must be supported by its surrounding hair to exhibit a swollen or high-rise style. None of the above scissors can provide such a function.




The present invention is intended to provide a pair of scissors to meet this end.




SUMMARY OF THE INVENTION




It is the primary object of the present invention to provide a pair of hairdressing scissors for cutting small amount of hair or special style.




In accordance with the present invention, a pair of hairdressing scissors comprises first and second scissor elements pivotally connected together, each said scissor element including a blade portion. The blade portion of the second scissor element having a cutting edge. The blade portion of the first scissor element includes a plurality of teeth that are spaced by an interval.




Each tooth on the second scissor element includes a distal end having a first side that faces the cutting edge of the first scissor element and a second side that faces away from the cutting edge. The first side of the distal end of each tooth includes a distal first guide face and a second guide face extended from the distal first guide face. The distal first guide face has a slope smaller than that of the second guide face. The second guide face includes a cutting edge that cooperates with the cutting edge of the second scissor element for cutting hair.




A distal beveled face and a third guide face are formed between the first side and the second side of the distal end. The distal beveled face guides hair to be cut. The guide face meets the first side at the cutting edge. The third guide face is provided to guide hair that is cut down from the head.




In an embodiment of the invention, the distal end of each tooth includes a truncated tip for cutting hair. The third guide face includes a serrated surface with a plurality of channels for holding the hair to be cut during cutting.




Other objects, advantages, and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.











BRIEF DESCRIPTION OF THE DRAWINGS





FIG. 1

is a perspective view of a first embodiment of a pair of hairdressing scissors in accordance with the present invention.





FIG. 2

is a perspective view of an end portion of a tooth of the pair of hairdressing scissors in accordance with the present invention.





FIG. 3

is a perspective view illustrating the other side of the tooth in FIG.


2


.





FIG. 4

is an elevational view of the pair of hairdressing scissors in accordance with the present invention.





FIG. 5

is an elevational view of a second embodiment of a pair of hairdressing scissors in accordance with the present invention.





FIG. 5A

is an enlarged view of a circle in FIG.


5


.





FIG. 6

is an elevational view similar to

FIG. 5

, illustrating operation of the pair of scissors.





FIG. 6A

is an enlarged view of a circle in FIG.


6


.





FIG. 7

is a perspective view of an end portion of a tooth of the pair of hairdressing scissors in FIG.


5


.





FIG. 8

is a perspective view illustrating the other side of the tooth in FIG.


7


.





FIG. 8A

is an enlarged view of a circle in FIG.


8


.





FIG. 9

is a perspective view of a pair of conventional hairdressing scissors.





FIG. 10

is a perspective view of another pair of conventional hairdressing scissors.





FIG. 11

is a perspective view of a further pair of conventional hairdressing scissors.





FIG. 12

is a perspective view of still another pair of conventional hairdressing scissors.











DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS




Referring to

FIGS. 1 and 4

, a first embodiment of a pair of hairdressing scissors in accordance with the present invention generally includes two scissor elements


1




a


and


1




b


pivotally connected together by a pivot


1




c


. Each scissor element


1




a


,


1




b


, includes a ring portion


1




d


and a blade portion


16


,


18


, wherein the blade portion


18


has a cutting edge


18




a


. The blade portion


16


of the scissor element


1




a


includes a plurality of narrow teeth


12


that are spaced by an interval


14


.




As illustrated in

FIGS. 2 and 3

, each tooth


12


on the scissor element


1




a


includes a distal end


12




a


having a first side


12




b


that faces the cutting edge


18




a


of the scissor element


1




b


and a second side


12




c


that faces away from the cutting edge


18




a


. The first side


12




b


of the distal end


12




a


of each tooth


12


is substantially L-shape and includes a distal first guide face


15


and a second guide face


17


extended from the distal first guide face


15


. The distal first guide face


15


has a slope smaller than that of the second guide face


17


. In addition, the second guide face


17


includes a cutting edge


120


that cooperates with the cutting edge


18




a


of the scissor element


1




b


for cutting hair, best shown in FIG.


2


. Referring to

FIG. 3

, between the first side


12




b


and the second side


12




c


of the distal end


12




a


a distal beveled face


121


is formed for guiding hair to be cut. Between the first side


12




b


and the second side


12




c


and below the distal beveled face


121


are a substantially vertical transition face


124


and then a guide face


122


that meets the first side


12




b


at the cutting edge


120


. The transition face


124


and the second guide face


17


meet at an edge


125


. The guide face


122


is provided to guide hair that is cut down from the head. It is noted that the beveled face


121


is provided to reduce contact area between the hair to be cut and the operative cutting edge of each tooth


12


, thereby achieving the purpose of cutting small amount of hair. In actual use, the pair of scissors in

FIG. 1

may cut about 30% of hair that is held between and thus cut by two blade portions


16


and


18


. This allows cutting of small amount of hair and creation of special style, e.g., a swollen or high-rise style in which some hair is supported by its surrounding hair.




During hair cutting, upon relative approaching movements between the scissor elements


1




a


and


1




b


, the cutting edge


18




a


of the scissor element


1




b


is firstly in intimate contact with the first guide face


15


of a first tooth


12


(the lowest one in

FIG. 4

) of the scissor element


1




a


and then the second guide face


17


of the first tooth


12


for performing hair cutting by the cutting edge


120


of the first tooth


12


. Next, the cutting edge


18




a


of the scissor element


1




b


is firstly in intimate contact with the first guide face


15


of a second tooth


12


of the scissor element


1




a


and then the second guide face


17


of the second tooth


12


for performing hair cutting by the cutting edge


120


of the second tooth


12


. In this way, the cutting edge


18




a


of the scissor element


1




b


cooperates with the teeth


12


on the scissor element


1




a


one by one to cut hair. The two guide faces


15


and


17


on each tooth


12


of the scissor element


1




a


allow easy cutting and smooth engagement between the cutting edge


18




a


of the scissor element


1




b


and the teeth


12


of the scissor element


1




a


. The arrangement of narrow teeth


12


and larger interval


14


is designed for cutting small amount of hair, wherein the two guide faces


15


and


17


are necessary to avoid mutual interference between the scissor elements


1




a


and


1




b


which will occur when the interval between the narrow teeth


12


is larger.




Referring to

FIGS. 5 and 6

, a second embodiment of a pair of hairdressing scissors in accordance with the present invention generally includes two scissor elements


2




a


and


2




b


pivotally connected together by a pivot


2




c


. Each scissor element


2




a


,


2




b


, includes a ring portion


2




d


and a blade portion


26


,


28


, wherein the blade portion


28


has a cutting edge


28




a


. The blade portion


26


of the scissor element


2




a


includes a plurality of narrow teeth


22


that are spaced by an interval


14


.




As illustrated in

FIGS. 7 and 8

, each tooth


22


on the scissor element


2




a


includes a distal end


22




a


having a first side


22




b


that faces the cutting edge


28




a


of the scissor element


2




b


and a second side


22




c


that faces away from the cutting edge


28




a


. The first side


22




b


of the distal end


22




a


of each tooth


22


is substantially L-shape and includes a distal first guide face


25


and a second guide face


27


extended from the distal first guide face


25


. The distal first guide face


25


has a slope smaller than that of the second guide face


27


. In addition, the second guide face


27


includes a cutting edge


220


that cooperates with the cutting edge


28




a


of the scissor element


2




b


for cutting hair, best shown in FIG.


7


. Referring to

FIG. 8

, between the first side


22




b


and the second side


22




c


of the distal end


22




a


a distal beveled face


221


is formed for guiding hair to be cut. It is noted that the distal beveled face


221


includes a truncated tip


221




a


for assisting in hair cutting. Between the first side


22




b


and the second side


22




c


and below the distal beveled face


221


are a substantially vertical transition face


224


and then a guide face


222


that meets the first side


22




b


at the cutting edge


220


. The transition face


224


and the second guide face


27


meet at an edge


225


. The guide face


222


includes a serrated surface


222




a


for positioning hair to be cut. Namely, the hair to be cut is held in channels


222




b


(

FIG. 8A

) in the serrated surface


222




a


during cutting. It is noted that the beveled face


221


(except the truncated tip


221




a


) is provided to reduce contact area between the hair to be cut and the operative cutting edge of each tooth


22


, thereby achieving the purpose of cutting small amount of hair. In actual use, the pair of scissors in

FIG. 5

may cut about 30% of hair that is held between and thus cut by two blade portions


26


and


28


. This allows cutting of small amount of hair and creation of special style, e.g., a swollen or high-rise style in which some hair is supported by its surrounding hair.




During hair cutting, upon relative approaching movements between the scissor elements


2




a


and


2




b


, the cutting edge


28




a


of the scissor element


2




b


is firstly in intimate contact with the first guide face


25


(

FIG. 5A

) of a first tooth


22


(the lowest one in

FIG. 5

) of the scissor element


2




a


and then the second guide face


27


(

FIG. 6A

) of the first tooth


22


for performing hair cutting by the truncated tip


221




a


and the cutting edge


220


of the first tooth


22


. Next, the cutting edge


28




a


of the scissor element


2




b


is firstly in intimate contact with the first guide face


25


(

FIG. 5A

) of a second tooth


22


of the scissor element


2




a


and then the second guide face


27


(

FIG. 6A

) of the second tooth


22


for performing hair cutting by the truncated tip


221




a


and the cutting edge


220


of the second tooth


22


. In this way, the cutting edge


28




a


of the scissor element


2




b


cooperates with the teeth


22


on the scissor element


2




a


one by one to cut hair. The two guide faces


25


and


27


on each tooth


22


of the scissor element


2




a


allow easy cutting and smooth engagement between the cutting edge


18




a


of the scissor element


2




b


and the teeth


22


of the scissor element


2




a


. The arrangement of narrow tooth


22


and larger interval


24


is designed for cutting small amount of hair, and the two guide faces


25


and


27


are necessary to avoid mutual interference between the scissor elements


2




a


and


2




b


which will occur when the interval between the narrow teeth


22


is larger.




According to the above description, it is noted that the present invention provides hairdressing scissors that are capable of cutting smaller amount of hair or cutting hair into special style where some of hair is supported by its surrounding hair.




Although the invention has been explained in relation to its preferred embodiment, it is to be understood that many other possible modifications and variations can be made without departing from the scope of the invention as hereinafter claimed.



Claims
  • 1. A pair of hairdressing scissors comprising first and second scissor elements (1a and 1b; 2a and 2b) pivotally connected together, each said scissor element (1a, 1b; 2a; 2b) including a blade portion (16, 18; 26, 28), the blade portion (18; 28) of the second scissor element (1b; 2b) having a cutting edge (18a; 28a), the blade portion (16; 26) of the first scissor element (1a; 2a) including a plurality of teeth (12; 22) that are spaced by an interval (14; 24), characterized in that:each said tooth (12; 22) on the second scissor element (1a; 2a) includes a distal end (12a; 22a) having a first side (12b; 22b) that faces the cutting edge (18a; 28a) of the first scissor element (1b; 2b) and a second side (12c; 22c) that faces away from the cutting edge (18a; 28a), the first side (12b; 22b) of the distal end (12a; 22a) of each said tooth (12; 22) includes a distal first guide face (15; 25) and a second guide face (17; 27) extended from the distal first guide face (15; 25), the distal first guide face (15; 25) has a slope smaller than that of the second guide face (17; 27), the second guide face (17; 27) includes a cutting edge (120; 220) that cooperates with the cutting edge (18a; 28a) of the second scissor element (1b; 2b) for cutting hair, and a distal beveled face (121; 221) and a third guide face (122; 222) are formed between the first side (12b; 22b) and the second side (12c; 22c) of the distal end (12a; 22a), the distal beveled face (121; 221) guides hair to be cut, the guide face (122; 222) meets the first side (12b; 22b) at the cutting edge (120; 220), the third guide face (122; 222) is provided to guide hair that is cut down from the head.
  • 2. The pair of hairdressing scissors as claimed in claim 1, wherein the distal end (22a) of each said tooth (22) includes a truncated tip (221a) for cutting hair.
  • 3. The pair of hairdressing scissors as claimed in claim 1, wherein the third guide face (222) includes a serrated surface (222a) with a plurality of channels (222b) for holding the hair to be cut during cutting.
CROSS REFERENCE TO RELATED APPLICATION

This is a continuation-in-part application of U.S. patent application Ser. No. 09/510,568 filed on Feb. 22, 2000.

US Referenced Citations (8)
Number Name Date Kind
291591 Gorton Jan 1884 A
799617 Steffa Sep 1905 A
2574066 See Nov 1951 A
3676930 Robinson et al. Jul 1972 A
4170064 Senk Oct 1979 A
4422240 Wallace et al. Dec 1983 A
4660285 Pracht Apr 1987 A
5107591 Sato Apr 1992 A
Foreign Referenced Citations (2)
Number Date Country
4000927 Jan 1991 DE
2153732 Aug 1985 GB
Continuation in Parts (1)
Number Date Country
Parent 09/510568 Feb 2000 US
Child 09/853809 US