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AssigneeKoninklijke Philips Electronics N.V.
InventorsBastiaan Johannes De Wit, Fokke Roelof Voorhorst, Geert Veenstra, Leonardus Hendrikus Gerardus Johannes Segeren, Sieds Bosch, Sjoerd Haites
Estimating the term…
Shaving apparatus having at least one cutting unit (3) with an external cutting member (4) and a rotatable internal cutting member (6) each having cooperating cutting edges (8,9) forming bearing surfaces of a first bearing, said external and internal cutting member (4,6) having a second bearing with bearing surfaces (14,17). To minimize the friction between the cutting edges (8,9), means (13) with visco-elastic properties are provided between the two bearings, so that during operation the distance between the bearing surfaces (8,9) of the first bearing adjusts oneself to the distance between the bearing surfaces (14,17) of the second bearing. During cutting of hairs the means with visco-elastic properties behave as a stiff element whereas during periods in which no hairs are cut these means behave relatively soft so that the cutting gaps between the cutting edges are closed.
A shaving apparatus with a housing and at least one cutting unit that comprises
A shaving apparatus as claimed in claims 4, characterized in that the drive member is resilient in axial direction for exerting a force on the backing plate in the direction of the external cutting member, and in that the bearing surfaces of the second bearing are formed by a central bearing surface of the backing plate and a central bearing surface of the external cutting member.
A cutting unit comprising
Dependencies are inferred from the claim text.