Hair Clipper Comb With Fine-Pitch Ribs and Gap for Hair Lifting
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Solution Overview
Problem
Conventional hair clipping devices with comb attachments face challenges in hair lifting efficiency, particularly with curled or stiff hairs, leading to increased strokes and reduced effectiveness in achieving uniform hair cut lengths due to the comb attachment acting as an obstacle and limiting the room for hair lifting features.
Innovation Solution
A hair clipping device with a comb attachment featuring a fine-pitched comb structure, including a second comb element with a gap size less than 1 mm and a connection beam that bends hairs against the grain direction, enhancing hair lifting and catching, thereby improving cutting performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a comb attachment is used to guide hair towards the cutting assembly, then hair cut length can be controlled, but the comb attachment acts as an obstacle that hinders hairs from reaching the cutting edges
Solution Approach 1:
The comb attachment is divided into two separate comb elements (first comb element and second comb element) with a gap between them. This segmentation allows hairs to pass through the gap and reach the cutting edges while still maintaining controlled hair cut length through the guiding function of the comb elements.
2Ease of operation
If the comb attachment structure is made small to allow hair reachability, then hairs can reach the cutting edges, but the room for hair lifting features is limited
Solution Approach 1:
The second comb element extends in a direction transverse to the first comb element, creating a two-dimensional comb structure. This dimensional arrangement allows the comb attachment to maintain a compact profile while providing sufficient space for hair lifting features on the front side, thereby enabling both hair reachability and effective hair lifting functionality.
3Productivity
If sharp features are added to the front section of the comb attachment for good hair catching, then hair lifting improves, but skin-friendliness and user comfort are impacted
Solution Approach 1:
The comb attachment employs different comb element configurations in different locations: the second comb element has a fine-pitched structure with small gap size for effective hair catching and lifting, while the overall comb attachment maintains smooth surfaces and rounded edges to ensure skin-friendliness and user comfort during operation.
4Adaptability or versatility
If multiple differently sized comb attachments are used to offer different hair cut lengths, then versatility is improved, but the device becomes more complex and requires storage of multiple attachments
Solution Approach 1:
The comb attachment is designed with an adjustable mechanism that allows the second comb element to be positioned at different locations relative to the housing, enabling a single comb attachment to provide multiple hair cut length options (e.g., 3 mm, 5 mm, 7 mm, 9 mm, 10 mm) without requiring multiple separate attachments.
Data Source
AI summary
The present invention relates to a hair clipping device (10) comprising: a housing (14), a cutting assembly (16) which is arranged on a distal end (18) of said housing (14) and comprises a stationary cutting blade (22) with a stationary cutting edge (26) and a moveable cutting blade (24) with a moveable cutting edge (28), and a comb attachment (12) which is attachable to the housing (14) and comprises a first comb element (34) and a second comb element (38); wherein the first comb element (34) is configured to be arranged on a front side (36) of the housing (14) and configured to cover the stationary and the moveable cutting edge (26, 28), wherein said front side (36) runs transverse to the distal end (18) and the cutting assembly (16), and wherein the first comb element (36) comprises a plurality of first comb ribs (40) running parallel to each other and parallel to a first longitudinal direction (44) of the first comb element (34); wherein the second comb element (38) is arranged transverse to the first comb element (34) and configured to at least partly cover the distal end (18) of the housing (14), wherein the second comb element (38) comprises a plurality of second comb ribs (42) running parallel to each other and parallel to a second longitudinal direction (46) of the second comb element (38), wherein a gap size (48), which is defined as distance between two of the second comb ribs (42) measured in lateral direction (50) perpendicular to the second longitudinal direction (46), is smaller than 1 mm and wherein the second comb element (38) comprises a connection beam (68) that is arranged at a back end (58) of the second comb ribs (42) opposite their free end (60) and runs parallel to the lateral direction (50); and wherein a free end (64) of the first comb ribs (40) is spaced apart from a free end (60) of the second comb ribs (42), such that a gap (66) occurs between the first and the second comb element (34, 38).