Information
-
Patent Grant
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6725550
-
Patent Number
6,725,550
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Date Filed
Wednesday, February 13, 200222 years ago
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Date Issued
Tuesday, April 27, 200420 years ago
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Inventors
-
-
Examiners
Agents
-
CPC
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US Classifications
Field of Search
US
- 030 50
- 030 34657
- 030 3465
- 030 527
- 030 531
- 030 48
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International Classifications
-
Abstract
A shaver apparatus including a handle, a head connected to the head, a first blade connected to the head and extending transverse to the handle, a second blade connected to the head in parallel relationship to the first blade, and a third blade connected to the head in parallel relationship to the second blade. The third blade extends perpendicular to the head. The first and second blades extend at an acute angle relative a the plane of the head. A spring is connected to each of the blades so as to urge the blades to a desired angle. A spring is also connected to the head and to the handle so as to urge the head to a desired angle with respect to the handle. The head is adjustably angularly connected to the handle.
Description
BACKGROUND OF THE INVENTION
1. Technical Field of the Invention
The present invention relates to razors and razor blades. More particularly, the present invention relates to razors having a pivotable head assembly with respect to the handle. More particularly, the present invention relates to razor assemblies whereby a plurality of blades are connected to the head for close trimming of the beard and facial hair of the user.
2. Description of Related Art
The trimming and shaping of beards, mustaches and side burns is essential for proper grooming and style for the majority of men who wear them. Conventional razors generally include a rectangular razor head mounted on an elongated handle in a fixed transverse relationship to the handle. Conventionally, a straight cutting edge extends from one side or from two opposed sides of the razor heads. The purpose of conventional razors is to remove all or most of the hair from the face. Therefore, the razor head and cutting edges are broad relative to normal facial contours so that the number of shaving strokes required to shave a facial area is reduced. Unfortunately, these conventional razor blades do not effectively closely trim the beard to the surface of the face. As a result, multiple passes of the razor blade over the face are required. This can create cuts and abrasions very frequently. Also, conventional razor blades are not very adaptable to the various contours and shapes of the human face. No technique is provided whereby the angle between the blades and the face can properly accommodate the various inconsistent and irregular facial features.
Among the various types of razor mechanisms known in the art are the channel-type razors which typically have two fixed opposing bars adapted to slidably receive a cartridge having a corresponding fixed track. Such channel-type razors provided support to a cartridge along the entire longitudinal length of the cartridge.
Another type of razor known in the art includes spring actuating engaging members which, upon the application of force to an actuator button, move inwardly or outwardly. After the cartridge has been properly positioned on the razor handle, the actuator button is released allowing the engaging members to return to their non-biased position and thereby engage the cartridge. Such razors have been designed to either maintain the razor cartridge fixed with respect to the razor handle or, are of the “pivoting” type which allow the cartridge to pivot on the razor during shaving. However, such cartridges are often ineffective for proper shaving. The desired angular position of the blade is uncertain in the “pivoting” type blades. Furthermore, there are not a trio of blades for the closer shaving of the face. Multiple passes of the razor are required to shave the face.
Continuing efforts are being made to improve the shaving characteristics of razors and/or to accommodate individual preferences. A factor in shaving efficiency and effectiveness is the orientation of the active components of the shaving system relative to the skin surface being shaved. The surface frequently has undulations or is in a relatively inaccessible or awkward area to reach and the shaving action is reduced in efficiency because the relationship to the active element of the skin surface being shaved significantly departs from the optimum value. Razors in which there is a fixed relationship between the shaving unit and the handle call for considerable dexterity on the part of the user and substantial changes in the disposition of the handle in order to maintain the shaving unit at its optimum attitude on the shaver's face, particularly when negotiating areas, such as the jaw line, where there are gross changes in facial contours.
In the past, various U.S. patents have issued with respect to such “pivotable” razor assemblies. For example, U.S. Pat. No. 4,026,016, issued on May 31, 1977 to W. I. Nissen, describes a razor blade assembly having a blade means disposed between a cap member and a platform member and which is adaptable to be connected to a razor handle. The platform member has journal bearing means for receiving the razor handle mounting means and cam means for receiving a razor handle. The journal bearing means forms a pivot axis for pivotable movement of the razor blade assembly thereabout and the platform cam means is in engagement with a cam follower on the handle and the blade assembly is mounted on the razor handle.
U.S. Pat. No. 4,926,553, issued on May 22, 1990 to Miskin et al, describes a razor for trimming and shaping of beards, moustaches, sideburns and the like. The razor has an elongated handle, a tapered offset neck on one end of the handle and a razor head pivotably attached to the neck by a ball-and-socket joint interposed therebetween. A pivot lock locks the razor head in a desired attitude with respect to the handle and is controllable from the neck of the razor. The razor head carries a blade having opposed arcuate cutting edges, marginal edges of which extend from opposed arcuate surfaces of the razor head.
U.S. Pat. No. 4,094,063, issued on Jun. 13, 1978 to R. A. Trotta, describes a razor assembly including a handle and a shaving unit in which the blade and the guard are permanently fixed together. The handle includes means at one end thereof for pivotably mounting the shaving unit on the handle such that the shaving unit is free to pivot upon the handle during the shaving operation. The handle is a one-piece plastic molding and has means thereon for biasing the pivotably moveable shaving unit toward a central position.
U.S. Pat. No. 4,970,784, issued on Nov. 20, 1990 to Althaus et al, describes a razor having a razor blade unit with a razor blade fixedly disposed in a plastic housing. The razor blade unit is pivotably mounted on the front end of the handle by way of a fork holder that can be opened and closed. The razor blade unit, starting from a spring-loaded neutral position, is pivotable about a pivot axis that extends parallel to the cutting edge of the razor blade. The pivot axis of the forked holder extends in the region of the cutting edge of the razor blade so as to provide the pivot head razor with only slight pivot movements relative to the handle during the shaving process.
U.S. Pat. No. 5,033,152, issued on Jul. 23, 1991 to W. Althaus, describe a wet razor having a handle with a razor blade disposed on the front end of the handle. A turning mechanism is provided whereby the razor blade is freely rotatable relative to the grasping portion of the handle about an axis of rotation that is perpendicular to the cutting edge of the razor blade. A spring-type resetting mechanism automatically returns to a starting position due to spring force.
It is an object of the present invention to provide a razor which includes a head that is spring biased relative to the handle for adjusting to the angular shapes of the face.
It is another object of the present invention to provide a razor whereby the head can be pivotably adjustable with respect to the handle.
It is another object of the present invention to provide a razor having a trio of blades extending parallel to each other for maximum shaving with minimal strokes.
It is another object of the present invention to provide a razor having a single blade extending perpendicular to the head and a pair of blades extending at an acute angle to the head for the purpose of optimizing the closeness of the shave.
It is further object of the present invention to provide a razor whereby the blade elements are resiliently pivotally connected to the head through the use of a spring mechanism.
These and other objects and advantages of the present invention will become apparent from a reading of the attached specification and appended claims.
BRIEF SUMMARY OF THE INVENTION
The present invention is a shaver apparatus comprising a handle having a longitudinal axis, a head connected to the handle, a first blade connected to the head and extending transverse to the longitudinal axis of the handle, a second blade connected to the head in parallel relationship to the first blade and a third blade connected to the head in parallel relationship to the second blade. The third blade extends perpendicular to the head. The third blade is at a different angle with respect to the head than the first and second blades.
In the present invention, the head is pivotally connected to the handle such that the relative angle between the head and the handle is adjustable. A spring means is connected to the head for resiliently urging the head to a desired angle with respect to the handle. The spring means is a leaf spring having one arm connected to the head and another arm connected to the handle. A gear element is connected to the head for allowing the manual rotating of the head so as to have a desired angle with respect to the handle.
Each of the first and second blades extends at a plane that is at an acute angle relative to the head. Each of the first and second blades is at a similar acute angle. Each of the first, second and third blades is pivotably connected to the head. A spring means is connected to each of these blades for maintaining these blades at a desired angle with respect to the head. This spring is a leaf spring having one arm connected to the respective blade and another arm connected to the head.
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
FIG. 1
is a side elevational view of the razor in accordance with the teachings of the present invention.
FIG. 2
is a frontal view of the razor in accordance with the preferred embodiment of the present invention.
FIG. 3
is a perspective view of the razor in accordance with the teachings of the present invention.
FIG. 4
is an operational diagram showing the use of the razor of the present invention on the beard of a user.
DETAILED DESCRIPTION OF THE INVENTION
Referring to
FIG. 1
, there is shown the shaver apparatus
10
in accordance with the teachings of the present invention. The shaver apparatus
10
includes a handle
12
, a head
14
connected to the handle
12
, a first blade
16
connected to the head and extending transverse to the longitudinal axis of the handle
12
, a second blade
18
connected to the head in parallel relationship to the first blade
16
and a third blade
20
connected to the head
14
in parallel relationship to the second blade
18
. As can be seen in
FIG. 1
, the third blade
20
is arranged at a different angle than the first blade
16
or the second blade
18
.
In the present invention, the handle
12
can be in the form of a conventional handle having a suitable shape for grasping. The handle
12
has a longitudinal axis extending therealong from the bottom to the top of the handle
12
. The handle
12
includes an upper portion
22
which can support a pivot axis and ratchet member
24
thereon. The ratchet member
24
allows the head
14
to be manually rotated so as to assume a desired angle with respect to the longitudinal axis of the handle
12
. In
FIG. 1
, a gear-type member
24
is particularly illustrated as being the ratchet member. However, it is to be noted that various other types of adjusting mechanisms can be employed within the scope of the present invention. The gear-type ratchet mechanism is merely one type of mechanism that can allow for the angular adjusting of the head
14
with respect to the handle
12
. In
FIG. 1
, it can be seen that a leaf spring
26
has arm
28
connected to the upper portion
22
of the handle
12
. Another arm
30
is connected to the head
14
. Leaf spring
26
allows for a resilient connection between the head
14
and the handle
12
for the purposes of smoother shaving. For example, when the razor
10
encounters rougher uneven surfaces on the face, the head
14
can spring or resiliently move relative to the handle
12
so as to accommodate such facial irregularities.
In
FIG. 1
, it can be seen that the first blade
16
and the second blade
18
are pivotably connected to the head
14
. The blades
16
and
18
extend outwardly, at an acute angle, relative to the plane of the head
14
. The acute angle of the blades
16
and
18
with respect to the head
14
is identical relative to the separate blades
16
and
18
.
In order to allow for accommodation of facial irregularities, a certain amount of resilience is provided to the blades
16
and
18
through the use of spring mechanisms
32
and
34
associated with the respective blades
16
and
18
. Spring mechanisms
32
and
34
are leaf springs that have one arm connected to the respective blades
16
and
18
and another arm connected to the head
14
. As such, the springs
32
and
34
will urge the respective blades
16
and
18
to a desired angular orientation with respect to the head
14
. Similarly, another spring
36
is provided in association with the third blade
20
. This third spring
36
also establishes a resilient orientation between the third blade
20
and the head
14
. Because of the resilient nature of respective springs
32
,
34
and
36
, a small amount of resilient movement is provided to the respective blades
16
,
18
and
20
during shaving. The springs
32
,
34
and
36
also serve to limit the amount of pivotal movement of the respective blades
16
,
18
and
20
.
FIG. 2
shows another view of the razor
10
of the present invention. In
FIG. 2
, the handle
12
has a U-shaped upper portion
22
suitable for supporting the ratchet member
24
along a pivot axis
40
extending between the arms
42
and
44
of the U-shaped upper portion
22
. The head
14
is illustrated as located behind the respective blades
16
,
18
and
20
. As can be seen in
FIG. 2
, the third blade
20
extends outwardly perpendicular to the head
14
. The blades
16
and
18
extend at an acute angle relative to the plane of the head
14
. In
FIG. 2
, the leaf spring
26
is particularly illustrated. Separate leaf springs
26
and
50
are affixed to the arms
42
and
44
of the handle
12
.
FIG. 3
shows a further perspective view of the shaver apparatus
10
of the present invention. In
FIG. 3
, the handle
12
extends upwardly to the U-shaped upper portion
22
. The blades
16
and
18
extend outwardly from the head
14
at an acute angle. The third blade
20
extends outwardly transverse to the head
14
. The ratchet member
24
is located behind the head
14
for the purposes of pivoting the head
14
relative to the handle
12
.
FIG. 4
shows the operation of the shaver apparatus
10
of the present invention as applied to a human face
60
. In
FIG. 4
, the human face
60
includes a beard
62
. The handle
12
is in a suitable position for grasping by a human hand. The blades
16
,
18
and
20
are shown in a position such that the outer edges of the respective blades
16
,
18
and
20
contact the face. As can be seen, as the handle
12
is moved downwardly, the first blade
16
will be the first blade to encounter the beard
62
. This will cause the beard to be pulled outwardly and certain hairs of the beard to be cut. The second blade
18
will follow the path of the first blade
16
so as to further shear the hair from the beard
62
. Finally, the transverse blade
20
provides a final follow-up cut so as to deeply remove the hair follicles from the face. Since the third blade
20
extends out transversely to the head
14
, the third blade
20
extends a further distance from the head
14
than the first and second blades. As such, the third blade
20
will provide a closer cut for better beard removal than the first blade
16
and second blade
18
.
The arrangement of blades of the present invention assures an optimal shaving of the beard
62
. Furthermore, the use of the trio of blades will minimize the number of blade strokes that are required for the trimming of the beard
62
. This arrangement of blades
16
,
18
and
20
assures that the hair follicles are trimmed to their deepest point in the face. The resilient connection between the blades and the head
14
will allow for any inconsistency in beard density or facial contours. Similarly, the ability to adjust angularly the relationship of the head
14
to the handle
12
will allow the user to adapt the razor for comfortable and convenient use. The resilient connection between the head
14
and the handle
12
will allow for adaptability for unusual or unexpected facial contours.
The foregoing disclosure and description of the invention is illustrative and explanatory thereof. Various changes in the details of the illustrated construction may be made within the scope of the appended claims without departing from the true spirit of the invention. The present invention should only be limited by the following claims and their legal equivalents.
Claims
- 1. A shaver apparatus comprising:a handle having a longitudinal axis; a head connected to said handle, a first blade connected to said head and extending transverse to said longitudinal axis of said handle, said head being pivotably connected to said handle such that a relative angle between said head and said handle is adjustable; a second blade connected to said head in parallel relationship to said first blade; a third blade connected to said head in parallel relationship to said second blade, said third blade extending perpendicular to said head, said third blade being at a different angle with respect to said head than said first and second blades; and a spring means connected to said head for resiliently urging said head to a desired angle with respect to said handle.
- 2. The apparatus of claim 1, said spring means comprising a leaf spring having one arm connected to said head and another arm connected to said handle.
- 3. A shaver apparatus comprising:a handle having a longitudinal axis; a head connected to said handle, a first blade connected to said head and extending transverse to said longitudinal axis of said handle, said head being pivotably connected to said handle such that a relative angle between said head and said handle is adjustable; a second blade connected to said head in parallel relationship to said first blade; a third blade connected to said head in parallel relationship to said second blade, said third blade extending perpendicular to said head, said third blade being at a different angle with respect to said head than said first and second blades; and a gear means connected to said head for fixing a desired angle between said handle and said head.
- 4. A shaver apparatus comprising:a handle having a longitudinal axis; a head connected to said handle, a first blade connected to said head and extending transverse to said longitudinal axis of said handle, a second blade connected to said head in parallel relationship to said first blade; a third blade connected to said head in parallel relationship to said second blade, said third blade extending perpendicular to said head, said third blade being at a different angle with respect to said head than said first and second blades, each of said first and second blades extending in a plane that is at an acute angle with respect to said head, each of said first and second blades being at a similar acute angle.
- 5. A shaver apparatus comprising:a handle having a longitudinal axis; a head connected to said handle, a first blade connected to said head and extending transverse to said longitudinal axis of said handle, a second blade connected to said head in parallel relationship to said first blade; a third blade connected to said head in parallel relationship to said second blade, said third blade extending perpendicular to said head, said third blade being at a different angle with respect to said head than said first and second blades, each of said first, second and third blades being pivotably connected to said head.
- 6. The apparatus of claim 5, each of said first, second and third blades having a spring means connected thereto, said spring means for maintaining said first blade and said second blade and said third blade at a desired angle with respect to said head.
- 7. The apparatus of claim 6, said spring means being leaf springs respectively connected to said first blade and said second blade and said third blade.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
6311400 |
Hawes et al. |
Nov 2001 |
B1 |
20020088122 |
Zuidervaart |
Jul 2002 |
A1 |
Foreign Referenced Citations (1)
Number |
Date |
Country |
867029 |
Mar 1971 |
CA |