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Coupling for internal cutting member of rotary shaving apparatus

A technology of pivoting and connecting components, which is applied in the field of shaving devices, can solve the problems of many waste products and high manufacturing costs, and achieve the effect of great stability and no vibration

Inactive Publication Date: 2006-10-18
KONINKLIJKE PHILIPS ELECTRONICS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But tighter tolerances mean higher manufacturing costs and more scrap

Method used

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  • Coupling for internal cutting member of rotary shaving apparatus
  • Coupling for internal cutting member of rotary shaving apparatus
  • Coupling for internal cutting member of rotary shaving apparatus

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0021] figure 1 Shown is a rotary shaving device with a housing 1 and a shaving head holder 2 detachable from and / or hinged to the housing. Three cutting units 3 (also denoted shaving heads) are located in the shaving head holder, each having an outer cutting member 4 with a hair collection opening 5 and an inner connecting member 6 with a cutter element 7 which Driven to rotate relative to the former member. The inner cutting member is driven by a drive mechanism 8, such as a motor, housed in the housing.

[0022] FIG. 2 shows one of the cutting units 3 on an enlarged scale. The outer cutting member 4 having the shape of a dome is provided with a circular groove 9 . Located within the bottom and vertical side walls of the groove, a plurality of lamellae 10 directed generally radially with respect to the centre of the cap, between which slotted hair collecting openings 5 ​​extend. The outer cutting member provides an axially extending central support shaft. The support sh...

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PUM

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Abstract

Shaving apparatus having at least one pivotable cutting unit (3) comprising an external cutting member (4) and an internal cutting member (6) which is drivable relative to said external cutting member, a drive mechanism (8) for driving said internal cutting member (6) into rotation, and a coupling member (18) having a coupling head (19) and a coupling body (20), which coupling head can be coupled to a coupling element (16) of the internal cutting member (6) in a detachable manner, said coupling body (20) being coupled to said driving mechanism (8). The coupling head (19) can be inserted into a cavity (21) of the coupling head (19). For driving said internal cutting member into rotation, the coupling head (19) comprises curved surfaces (25) for cooperation with surfaces (28) of said cavity (21). To improve the drive system, the coupling head (19) and the cavity (21) of the coupling element (16) have an approximately triangular shape which is rotationally symmetrical through 120°, as seen in the direction of the axis of rotation (24) of the coupling head (19).

Description

technical field [0001] The present invention relates to a shaving apparatus provided with at least one pivotable cutting unit, the cutting unit comprising an outer cutting member and an inner cutting member rotatably driven relative to the outer cutting member, a drive mechanism for driving the rotation of the inner cutting member and comprising a connecting head and a connecting member of the connecting body, which is removably connected to the connecting element of the inner cutting member, the connecting body is connected to the drive mechanism, the connecting member has an axis of rotation, and the connecting head is provided with a drive surface, located at The connecting surface between the drive surfaces and the connecting element of the inner cutting member is provided with a cavity in which the connecting head is receivable and provided with a drive surface for cooperating with the curved drive surface of the connecting head. Background technique [0002] Such a sha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B26B19/14
CPCB26B19/14B26B19/141B26B19/145
Inventor P·维斯曼M·卡默贝克A·J·埃廷克F·J·博斯曼M·J·范德维尔
Owner KONINKLIJKE PHILIPS ELECTRONICS NV