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1. (WO1991007113) HAIRDRESSING COMB
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CLAIMS

A comb comprising a spine from which depends a set of comb teeth and a gripping handle extending from one end of the spine, characterised in that the spine (B , 30, 53) incorporate a cutting implement (22, 36, 62) which can be moved by a driving device (24, 40) along a path (X) from a home position (Y) across teeth (C, 32, 51) to an extended position (Z) so as to cut hair or hair like material positioned between the teeth in the path (X) .

A comb as claimed in Claim 1 characterised in that the cutting
implement (22, 62) includes a blade (27 , 64) and the driving device
(24, 70/72) serves to reciprocate the blade along the path (X) from the home position (Y) to the extended position (Z) over a distance
comparable with that of the distance taken up by the majority or all of the comb teeth (19, 51) in the direction of the path (X) .

A comb as claimed in Claim 1 characterised in that the cutting
implement (36) is in the form of a blade (38, 39) and the driving
device (37) serves to reciprocate the blade (39) along the path (X) from the home position (Y) to the extended position (Z) over a
distance comparable with that of the distance (P) between an adjacent pair of teeth (38A, 38B) in the direction of the path (X) .

A comb as claimed in Claim 3 characterised in that the blade (36) is in two parts (38, 39) both parts (38, 39) having cutting edges of similar form, the first part (38) being fixed and lying in the path (X) and the second part (39) being reciprocatable as aforesaid, such that hairs or hair like material lying in contact with, or being drawn into contact with, the cutting edges are sheared by interaction between the parts of the blade (38, 39) .

A comb as claimed in Claim 4 characterised in that the blade 36 is itself in the form of a comb having teeth (38A, 38B ; 39A, 39B) of a depth substantially less than that of the teeth (32) of the comb but of similar pitch spacing ( ) ; the blade (36) being located at the root of the comb teeth (32) .

A comb as claimed in any of preceding claims 3, 4 or 5 characterised in that the driving device (40) is embodied by a manually operable lever extends from the handle (33) and by a drive unit (37) coupling the lever (40) to the blade (39) , the lever (40) being adapted for use in conjunction with the handle (33) by the hand of a user so as to displace the blade (39) along the path (X) , there being a loading device (37) resiliently biassing the blade (39) , directly or indirectly, from the extended position (Z) towards the home position (Y) .

A comb as claimed in any of preceding claims 1 to 5 characterised in that the driving device is a motor (65) , and a circuit providing for the motor to reciprocate the blade (62) between the home position (X) and the extended (Y) position.

A comb as claimed in any preceding claim characterised in that a further hairdressing device such as a comb, brush or auxiliary cutter is disposed on, or supported by, the body to enable a user of the comb to utilise the further device by realignment of the body.