A hair clipping device, including, a housing; a cutting assembly including a stationary blade and a moveable blade resiliently biased against the stationary blade, the stationary blade and the moveable blade defining a cutting plane therebetween, an eccentric transmission element including an eccent
A hair clipping device, including, a housing; a cutting assembly including a stationary blade and a moveable blade resiliently biased against the stationary blade, the stationary blade and the moveable blade defining a cutting plane therebetween, an eccentric transmission element including an eccentric pin protruding therefrom and arranged on a rotary driven shaft, a motor for driving the eccentric transmission element; a coupling element coupled to the eccentric transmission element for translating a movement of the eccentric transmission element into oscillatory movement of the moveable blade relative to the stationary blade; the coupling element arranged inside of a common recess formed from a first recess cut into the movable blade and a second recess cut into the stationary blade that form the common recess; wherein the eccentric transmission element engages the coupling element at at least one engagement point in the same plane as the cutting plane.
대표청구항▼
1. Hair clipping device, comprising: a housing;a cutting assembly which is arranged on one end of said housing and comprises a stationary blade and a moveable blade that is resiliently biased against the stationary blade by a spring comprising two spring levers, wherein the stationary blade and the
1. Hair clipping device, comprising: a housing;a cutting assembly which is arranged on one end of said housing and comprises a stationary blade and a moveable blade that is resiliently biased against the stationary blade by a spring comprising two spring levers, wherein the stationary blade and the moveable blade define a cutting plane between each other,an eccentric transmission element including an eccentric pin protruding therefrom and arranged on a rotary driven shaft,a motor comprising said rotary driven shaft for driving said eccentric transmission element; anda coupling element coupled to said eccentric transmission element for translating a movement of said eccentric transmission element into an oscillatory movement of the moveable blade relative to the stationary blade;wherein the coupling element is arranged inside of a common recess formed from a first recess cut into the movable blade and a second recess cut into the stationary blade that form said common recess in the movable blade and the stationary blade;wherein said eccentric transmission element engages the coupling element at at least one engagement point in the same plane as the cutting plane,wherein said at least one engagement point is in at least one operating position during the movement of said eccentric transmission element within said cutting plane, and wherein the coupling element is arranged in said first and second recess,wherein the coupling element is displaced at a spatially low position of the at least one engagement point, where the eccentric transmission element engages the coupling element, andwherein said engagement of said eccentric transmission element engaging said coupling element is within a contacting plane along which the movable blade and the stationary blade contact each other. 2. Hair clipping device according to claim 1, wherein a lower part of said eccentric transmission element is in at least one operating position during the movement of said eccentric transmission element tangent to said cutting plane or spatially crosses said cutting plane. 3. Hair clipping device according to claim 1, wherein the eccentric transmission element is clamped into the coupling element between at least two engagement points, wherein said at least two engagement points are in at least one operating position during the movement of said eccentric transmission element within said cutting plane. 4. Hair clipping device according to claim 1, wherein the coupling element is fitted into the first and second recess to form a positive locking between said coupling element and said first and second recess. 5. Hair clipping device according to claim 1, wherein the first and second recess protrude substantially parallel to a cutting edge of said moveable blade. 6. Hair clipping device according to claim 1, further comprising at least one first ball bearing which is arranged between the moveable blade and the stationary blade. 7. Hair clipping device according to claim 6, wherein said at least one first ball bearing is arranged between two semicircular guiding recesses formed in the moveable blade and the stationary blade, respectively. 8. Hair clipping device according to claim 6, wherein said at least one first ball bearing is coupled to the coupling element. 9. Hair clipping device according to claim 6, further comprising at least one second ball bearing which is arranged between the moveable blade and the stationary blade, wherein the at least one first ball bearing and the at least one second ball bearing are arranged on different sides of said first and second recess of the moveable blade and the stationary blade. 10. Hair clipping device according to claim 7, wherein the center of the at least one first ball bearing and/or the center of the at least one second ball bearing is arranged within the cutting plane. 11. Cutting assembly for use in a hair clipping device, comprising: a stationary blade;a moveable blade that is resiliently biased against the stationary blade,wherein the stationary blade and the moveable blade define a cutting plane between each other,wherein a common recess is formed from a first recess cut into the movable blade and a second recess cut into the stationary blade that collectively form a common recess in the moveable blade and the stationary blade; anda coupling element that is arranged in the common recess coupled to a rotatory driven eccentric transmission element and adapted to translate a movement of said eccentric transmission element into an oscillatory movement of the moveable blade relative to the stationary blade, wherein said coupling element further comprises an engagement part having at least one engagement point at which said eccentric transmission element can engage the coupling element;wherein said eccentric transmission element engages the coupling element at said at least one engagement point in the same plane as the cutting plane. 12. Cutting assembly according to claim 11, wherein said engagement of said eccentric transmission element engaging said coupling element is within a contacting plane along which the movable blade and the stationary blade contact each other. 13. Cutting assembly according to claim 11, wherein the eccentric transmission element is clamped into the coupling element between at least two engagement points, wherein said at least two engagement points are in at least one operating position during the movement of said eccentric transmission element within said cutting plane. 14. Cutting assembly according to claim 11, wherein the coupling element is fitted into the first and second recess to form a positive locking between said coupling element and said first and second recess. 15. Cutting assembly according to claim 11, wherein the first and second recess protrude substantially parallel to a cutting edge of said moveable blade.
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이 특허에 인용된 특허 (14)
Kammer, Carl Gottfried, Adjustable comb assembly for hair cutting appliance.
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