US 4,583,561 AGranted

Hair twining apparatus

AssigneeMattel, Inc.

InventorAke L. Larsson

Life of this patent

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Abstract

A hair twining apparatus configured for one hand operation of a trigger, the apparatus having at least two hair clamp members carried by a sub-housing within a housing. With a switch in a first position, pumping of the trigger rotates the clamp members about the supporting shafts thereof for twisting groups of hair filaments attached to the clamp members. With the switch in a second position, pumping of the trigger causes intermittent unidirectional angular displacement of the hair clamp members to twine the strands by rotating the sub-housing.

Claims4

Dependent claims

In a hair twining apparatus, the combination comprising:

a housing including a grippable hollow handle portion having a lower end and an upper end, an intermediate housing portion mounted to said upper end of said handle portion and an upper housing portion mounted to said intermediate housing portion, said upper housing portion having an open top;
a spring-biased trigger having a lower end and an upper end, said upper end being provided with an arcuate rack, said lower end being pivotally mounted to the lower end of said handle with said arcuate rack extending into said handle subjacent said intermediate housing portion;
a pinion gear member rotatably mounted in said intermediate housing portion, said pinion gear member including a pinion gear portion meshing with said arcuate rack for oscillation thereby when said trigger is actuated;
a sub-housing within said housing;
a drive gear member rotatably mounted in said sub-housing;
ratchet means for operably coupling said pinion gear member to said drive gear member;
first and second orbital gear members rotatably mounted within said sub-housing in meshing relation with said drive gear member;
first and second hair clamp means mounted on said sub-housing, each of said hair clamp means being mounted for concurrent rotation with one of said orbital gear members and being configured for gripping a plurality of hair filaments;
and
coupling means within said housing for selectively operating said hair twining apparatus in first and second positions, said coupling means in said first position locking said sub-housing relative to said housing and in said second position, said coupling means freeing said sub-housing for rotation, said ratchet means interconnecting said pinion gear member and said drive gear member and said orbital gear members along with said clamp means in a unidirectional manner with said coupling means in said first position during actuation of said trigger with the locking of said sub-housing to said housing restaining said sub-housing from rotation to thereby twist the hair filaments into strands, said coupling means including (a) a ring gear mounted on said sub-housing, (b) a carrier member having a sector gear means attached thereto for removably engaging said ring gear, (c) switch member means for activating said carrier member in order to selectively operate in said first and second positions and (d) ramp means within said housing configured for coaction with said carrier member to axially displace said carrier member on pivotal movement thereof in response to actuation of said switch member means, said switch member means being disposed above said handle portion for actuation by the thumb of an operator in order to enable one hand operation of said hair twining apparatus.

7 more elements

Dependencies are inferred from the claim text.

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Abstract

In a hair twining apparatus, the combination comprising:

a housing including a grippable hollow handle portion having a lower end and an upper end, an intermediate housing portion mounted to said upper end of said handle portion and an upper housing portion mounted to said intermediate housing portion, said upper housing portion having an open top;
a spring-biased trigger having a lower end and an upper end, said upper end being provided with an arcuate rack, said lower end being pivotally mounted to the lower end of said handle with said arcuate rack extending into said handle subjacent said intermediate housing portion;
a pinion gear member rotatably mounted in said intermediate housing portion, said pinion gear member including a pinion gear portion meshing with said arcuate rack for oscillation thereby when said trigger is actuated;
a sub-housing within said housing;
a drive gear member rotatably mounted in said sub-housing;
ratchet means for operably coupling said pinion gear member to said drive gear member;
first and second orbital gear members rotatably mounted within said sub-housing in meshing relation with said drive gear member;
first and second hair clamp means mounted on said sub-housing, each of said hair clamp means being mounted for concurrent rotation with one of said orbital gear members and being configured for gripping a plurality of hair filaments;
and
coupling means within said housing for selectively operating said hair twining apparatus in first and second positions, said coupling means in said first position locking said sub-housing relative to said housing and in said second position, said coupling means freeing said sub-housing for rotation, said ratchet means interconnecting said pinion gear member and said drive gear member and said orbital gear members along with said clamp means in a unidirectional manner with said coupling means in said first position during actuation of said trigger with the locking of said sub-housing to said housing restaining said sub-housing from rotation to thereby twist the hair filaments into strands, said coupling means including (a) a ring gear mounted on said sub-housing, (b) a carrier member having a sector gear means attached thereto for removably engaging said ring gear, (c) switch member means for activating said carrier member in order to selectively operate in said first and second positions and (d) ramp means within said housing configured for coaction with said carrier member to axially displace said carrier member on pivotal movement thereof in response to actuation of said switch member means, said switch member means being disposed above said handle portion for actuation by the thumb of an operator in order to enable one hand operation of said hair twining apparatus.

7 more elements