Patent Application
20160229070
1. Field of the Invention
The present invention generally relates to a hair clipper blade and a manufacture method thereof; in particular, it relates to processes for machining a thick, solid metallic plate material into a clipper blade such that the fabricated clipper blade structure provides enhanced haircut efficiency and makes the trimmed hair smoother.
2. Description of Related Art
In general, the clipper blade in a hair clipper usually consists of a fixed blade as well as a movable blade overlapped onto the fixed blade such that the movable blade can reciprocatively slide with respect to the fixed blade to trim hair.
To achieve satisfactory trimming effects of the blade and maintain durable and stable performance, manufacturers at present may adopt a thick, solid metallic plate material and use the grinding wheel to cut out a tooth profile such that the tooth profile has a sharp angle and its thickness and structural strength can be retained. Referring to
(a) as shown in
(b) besides, as shown in
(c) due to a greater friction area at the bottom end, the blade heating issue may become more significant in operation;
(d) such a greater friction area can also lead to greater electric power consumptions;
(e) the above-said machining approach may increase the grinder workload, thus shortening the life span of the grinder and resulting in elevated machining costs.
From the previous descriptions, it can be appreciated that this type of blade tools fabricated from a thick, solid metallic plate material with a grinder to perform machining operations thereon may undesirably exhibit the aforementioned defects. To overcome above-said issues, the present invention proposes to initially perform the stamping operation on a thick, solid metallic plate material and then the cutting operation, such that a groove hole can be inwardly arc-wise formed between the bottom ends of two blade teeth, and the formed groove hole can provide not only the cutting feature, but allow the trimmed hair to be more even, thus enabling increased cutting efficiency, reduced blade friction area, lowered blade heating and electric power consumption as well as decreased grinder workload, thereby offering an optimal solution.
The present invention generally relates to a hair clipper blade and a manufacture method thereof, which can perform stamping processes on a thick, solid metallic plate material and then cutting processes thereby reducing grinding operation time and workloads for the grinder equipment as well as grinder tooling consumptions, and the fabricated clipper blade can make trimmed hair more even thus further providing enhanced cutting efficiency and reduced blade heating issue.
A hair clipper blade capable of achieving the aforementioned objectives comprises plural tooth units, in which both the two sides of the front end in each tooth unit include an edge part, and a groove hole is inwardly arc-wise formed between the bottom end of each side in each tooth unit and the bottom end in the adjacent tooth unit.
More specifically, the edge part has a sharp angle.
More specifically, the groove hole is further tapered such that the bottom part of the groove hole has a sharp angle enabling the cutting function.
More specifically, the groove hole is a round groove.
A manufacture method for a hair clipper blade, comprising:
(1) using initially a stamping equipment for stamping operations to form a semi-processed blade having plural round through holes; and
(2) using then a grinding wheel to perform cutting operations at the front end of the round through holes in the semi-processed blade toward the round through hole direction thereby forming two corresponding edge parts and inwardly arc-wise forming a groove hole between each two corresponding edge parts.
More specifically, the edge part has a sharp angle.
More specifically, the groove hole is further tapered such that the bottom part of the groove hole has a sharp angle enabling the cutting function.
More specifically, the groove hole is a round groove.
Other technical contents, aspects and effects in relation to the present invention can be clearly appreciated through the detailed descriptions concerning the preferred embodiments of the present invention in conjunction with the appended drawings.
Refer now to
Next, from
Moreover, since there is a front end 42 on the top plane of the front end in the body of the movable blade 4 in the semi-processed blade and there is a plane 43 on the bottom plane of the front end, consequently, the top plane of the front end on the tooth unit 44 cut by the grinding wheel during the machining process is also an inclined plane 442, and the bottom plane of the front end is also a plane 443, so that, after having completed the cutting process, a sharp angle 4411 can be naturally created at the edge part 441. Therefore, the manufacture processes of the present invention require simply two steps of stamping and grinder cutting. Furthermore, the groove hole 45 is also tapered (not shown) such that it is possible to cut off hair when the movable blade 4 clips with a fixed blade no matter by the sharp angle 4411 of the edge part 441 or otherwise the tapering of the groove hole 45, and the tapering of the groove hole 45 makes the bottom of groove hole 45 become a sharp angle enabling the cutting function.
(1) using initially a stamping equipment to form a semi-processed razor having plural round through holes (801); and
(2) using then a grinding wheel to perform cutting operations at the front end of the round through holes in the semi-processed blade toward the round through hole direction thereby forming two corresponding edge parts and inwardly arc-wise forming a groove hole between each two corresponding edge parts (802).
From the aforementioned processes, it can be appreciated that, being different from fabrication processes for the conventional V-shaped tooth groove, the present invention presets the groove hole 45 at the bottom of the tooth unit 44 so that, during the machining operations, the cutting path of profile machining required for forming the tooth unit 44 can be shortened thereby reducing the cut machining workload, enhancing machining efficiency and lessening grinder tooling consumptions.
In addition, referring to
(1) The groove hole 45 can effectively reduce the mutually jamming condition because of entering hair 5, the hair 5 sliding into the tooth groove during hair trimming will not be reversely pushed out due to squeezing, therefore, the trimmed hair 6 can be relatively smooth and even.
(2) It allows the hair 5 entering into the groove hole 45 to keep its original loose status, so that, compared with condensed hair strings caused by the narrower bottom end in a traditional V-shaped tooth groove, hair trimming can be more convenient thereby increasing trimming efficiency.
(3) Based on the present invention shown in
In comparison with other conventional technologies, the hair clipper blade and a manufacture method thereof according to the present invention provides the following advantages:
1. The present invention proposes to initially perform the stamping operation on thick, solid metallic plate materials and then the cutting operation, such that a groove hole can be formed at the bottom of the tooth unit, so that, upon trimming hair, the groove hole can effectively reduce the hair jamming condition because of entering hair such that the hair sliding into the tooth groove during hair trimming will not be reversely pushed out due to squeezing. Therefore, the trimmed hair can be comparatively smooth and even. Additionally, it allows the hair entering into the groove hole to keep its original loose status, so that, compared with condensed hair strings caused by the narrower bottom end in a traditional V-shaped tooth groove, hair trimming can be more convenient thereby increasing trimming efficiency.
2. The groove hole of the present invention can reduce the contact area to the blade such that friction resistance can be effectively lessened in application so as to decrease electric power consumptions; meanwhile, the temperature elevation because of frictions can be also lowered thereby eliminating the blade heating problem.
Although the present invention has been disclosed through the detailed descriptions of the aforementioned embodiments, such illustrations are by no means used to restrict the present invention. Skilled ones in relevant fields of the present invention can certainly devise any applicable alternations and modifications after comprehending the aforementioned technical characteristics and embodiments of the present invention without departing from the spirit and scope thereof. Hence, the scope of the present invention to be protected under patent laws should be delineated in accordance with the claims set forth hereunder in the present specification.
