Cutlery – Razors – With cooperating shearing blades
Patent
1980-07-29
1983-07-19
Godici, Nicholas P.
Cutlery
Razors
With cooperating shearing blades
3034651, B26B 1914
Patent
active
043935869
ABSTRACT:
Shaving blade assembly for rotary type electric shaver, improved specifically in raising and shearing abilities for such irregular beard hair as curly, bent or lying hair. The assembly comprises an outer blade of flexible steel foil and provided with hair introducing apertures including slits and orifices, the former extending substantially radially in the peripheral edge part in a substantially dome-shaped spherical hair shaving area and the latter being provided in the central part inside the edge part, and with at least a groove-shaped bent part formed as an inward recess along an annular line concentric with the peripheral wall with respect to the center axis of the blade, and an inner blade member shearing hair introduced in the apertures including the irregular hair advantageously led into the slits by inner blades carried on the member with their shearing edges resiliently slidably engaged with the inner surface of the outer blade in its radial directions rotatably about the center axis of the outer blade and respectively having an incision corresponding to the bent part of the outer blade. The slits extend axially through both inner and outer periphery walls of the bent part from the spherical surfaces of its inner and outer peripheral edges, and the incision of each inner blade separates its edge part opposed to both the peripheral walls of the bent part of the outer blade from these peripheral walls to facilitate the introduction of comparatively long irregular hair.
REFERENCES:
patent: 2616168 (1952-11-01), Dankers
patent: 3116551 (1964-01-01), Anton
patent: 3119180 (1964-01-01), Bruecker
patent: 3261091 (1966-07-01), Van Der Driest
patent: 3639979 (1972-02-01), Zuurueen
Hamashima Tetsuo
Kumano Fumihiro
Godici Nicholas P.
Matsushita Electric & Works Ltd.
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