Hand-held clipper for removing entangled fiber strands from the surface of fabrics

Claim 2

A hand-held clipper for removing entangled fibers from the surface of fabrics comprising: an elongate handle grip having a longitudinal axis; a cutting head formed at one longitudinal end of said handle grip, said cutting head comprising a perforated outer shearing foil and an inner cutter means driven to move in shearing engagement with the undersurface of said outer shearing foil for shearing the entangled strands of fibers entering the perforations in said outer shearing foil; said cutting head having a center axis which is perpendicular to the general top plane of said outer shearing foil; said cutting head incorporating a fan operating together with said inner cutter means for producing an air flow which draws in outside air through said perforations of the outer shearing foil and flows outwardly through a discharge port of said cutting head carrying clipped fiber strands in said air flow; said handle grip being provided with a recovery chute for receiving therein said clipped fiber strands carried in the air flow; said cutting head extending forwardly from said one longitudinal end of said handle grip with the center axis thereof inclined at an obtuse angle to the longitudinal axis of said handle grip; said chute extending substantially the full length of the front surface of the handle grip from its one longitudinal end adjacent to said cutting head and to the other longitudinal end, said recovery chute having an exhaust port with a filter fitted over said exhaust port for entrapping the clipped fiber strands within said chute and for discharging the air outwardly while the clipped fiber strands are stored therein; and said recovery chute having along its length a tapered front surface which tapers from said one longitudinal end adjacent to the cutting head to the other end of the handle grip such that said tapered front surface is spaced from the general top plane of the outer shearing foil by a greater distance toward said other end than at the one end adjacent to said cutting head.

Claim 3

A hand-held clipper as set forth in claim 1, wherein said recovery chute is detachable from the handle grip.

Claim 4

A hand-held clipper as set forth in claim 1, wherein said recovery chute is formed at said other end opposite to the cutting head with a generally flat bottom face which cooperated with the adjacent bottom face of said handle grip to form a generally flat base angled at an acute angle to the general top plane of said outer shearing foil.

Claim 5

A hand-held clipper as set forth in claim 1, wherein said cutting head defines a head chamber within which said inner cutter means and said fan are received with said fan located axially rearwardly of said inner cutter member in a spaced relation forwardly of rear end of said chamber, said discharge port being formed in one peripheral portion of said cutting head for intercommunication between the rear end portion of said head chamber and said recovery chute, and said fan having its front edge in overlying relation with front edge of said discharge port along the axial direction of said cutting head and having its rear edge forwardly of rear edge of said discharge port.

Claim 6

A hand-held clipper as set forth in claim 4, wherein said discharge port including an oblique surface which flares from the rear edge thereof toward the interior of said recovery chute.

Claim 7

A hand-held clipper for removing entangled fibers from the surface of fabrics comprising: an elongate handle grip having a longitudinal axis; a cutting head formed at one longitudinal end of said handle grip, said cutting head comprising a perforated outer shearing foil and an inner cutter means driven to move in shearing engagement with the undersurface of said outer shearing foil for shearing the entangled strands of fibers entering the perforations in said outer shearing foil; said cutting head having a center axis which is perpendicular to general top plane of said outer shearing foil; said cutting head incorporating a fan operating together with said inner cutter means for producing an air flow which draws in outside air through said perforations of the outer shearing foil and flows outwardly through a discharge port of said cutting head carrying clipped fiber strands in said air flow; said handle grip being provided with a detachably mounted recovery chute for receiving therein said clipped fiber strands carried in the air flow; said cutting head extending forwardly from said one longitudinal end of said handle grip with the center axis thereof inclined at an obtuse angle to the longitudinal axis of said handle grip; said chute extending substantially the full length of the front surface of the handle grip from its one longitudinal end adjacent to said cutting head and to the other longitudinal end, said recovery chute having an exhaust port for discharging the air outwardly while storing the clipped fiber strands therein; and said recovery chute having along its length a tapered front surface which tapers from said one longitudinal end adjacent to the cutting head to the other end of the handle grip such that said tapered front surface is spaced from the general top plane of the outer shearing foil by a greater distance toward said other end than at the one end adjacent to said cutting head wherein said handle grip includes a handle body extending along said longitudinal axis and having a generally flat front surface on which said recovery chute is slidable along said longitudinal axis for attachment and detachment therefrom, said recovery chute including a filter grid which is fitted over said exhaust port of the recovery chute and carries a filter for entrapping the clipped fiber strands within said chute while allowing the air to pass therethrough, said exhaust port located in the rear wall of said recover chute facing the front surface of said handle body to form therebetween an air passage leading outwardly of said handle grip through an air vent formed between the rear edge of said recover chute and the front surface of said handle body, and said filter grid being made of a resilient material and formed with a resilient hook which is resiliently engaged with a stop projection on the front surface of said handle body for retaining the recovery chute in an attached position to said handle body.

Claim 8

A hand-held clipper for removing entangled fibers from the surface of fabrics comprising: an elongate handle grip having a longitudinal axis; a cutting head formed at one longitudinal end of said handle grip, said cutting head comprising a perforated outer shearing foil and an inner cutter means driven to move in shearing engagement with the undersurface of said outer shearing foil for shearing the entangled strands of fibers entering the perforations in said outer shearing foil; said cutting head having a center axis which is perpendicular to general top plane of said outer shearing foil; said cutting head incorporating a fan operating together with said inner cutter means for producing an air flow which draws in outside air through said perforations of the outer shearing foil and flows outwardly through a discharge port of said cutting head carrying clipped fiber strands in said air flow; said handle grip being provided with a detachably mounted recovery chute for receiving therein said clipped fiber strands carried in the air flow; said cutting head extending forwardly from said one longitudinal end of said handle grip with the center axis thereof inclined at an obtuse angle to the longitudinal axis of said handle grip; said chute extending substantially the full length of the front surface of the handle grip from its one longitudinal end adjacent to said cutting head and to the other longitudinal end, said recovery chute having an exhaust port for discharging the air outwardly while storing the clipped fiber strands therein; and said recovery chute having along its length a tapered front surface which tapers from said one longitudinal end adjacent to the cutting head to the other end of the handle grip such that said tapered front surface is spaced from the general top plane of the outer shearing foil by a greater distance toward said other end than at the one end adjacent to said cutting head wherein said handle grip includes a handle body extending along said longitudinal axis and having a generally flat front surface on which said recovery chute is slidable along said longitudinal axis for attachment and detachment therefrom, said recovery chute including a filter grid which is fitted over said exhaust port of the recovery chute and carries a filter for entrapping the clipped fiber strands within said chute while allowing the air to pass therethrough, said exhaust port located in the rear wall of said recover chute facing the front surface of said handle body to form therebetween an air passage leading outwardly of said handle grip through an air vent formed between the rear edge of said recover chute and the front surface of said handle body, and said filter grid being made of a resilient material and formed with a resilient hook which is resiliently engaged with a stop projection on the front surface of said handle body for retaining the recovery chute in an attached position to said handle body.

Claim 9

A hand-held clipper as set forth in claim 1, wherein said cutting head defines a head chamber within which said inner cutter means is received together with said fan, said outer shearing foil being supported on a ring frame which is attached to said cutting head with its rear portion extended into a front opening of said head chamber, said inner cutter means comprising a rotor disk carrying thereon a number of inner blades urged into shearing contact with the undersurface of said outer shearing foil, said ring frame being formed on its inner wall surface between ends thereof with an tapered shoulder which tapers rearwardly towards the inner wall surface of said rear portion having a smaller diameter than the front portion of said ring frame forwardly of said tapered shoulder, and said rotor disk extending into the front portion of said ring frame with its rear end spaced forwardly of the point at which said tapered shoulder merges the inner wall of said rear portion of narrowed diameter.

Claim 10

A hand-held clipper as set forth in claim 7, wherein said rotor disk is provided on its periphery with a set of wings so as to produce between the rotor disk and the inner periphery of the ring frame a circumferential air flow which is additive to said air flow by said fan for drawing in the air through the perforations of the outer shearing foil and directing the same past the periphery of said rotor disk into said head chamber.

Claim 11

A hand-held clipper for removing entangled fibers from surface of fabrics comprising: an elongate handle grip having a longitudinal axis; a cutting head formed at one longitudinal end of said handle grip, said cutting head comprising a perforated outer shearing foil and an inner cutter means driven to move in shearing engagement with the undersurface of said outer shearing foil for shearing the entangled strands of fibers entering the perforations in said outer shearing foil; said cutting head having a center axis which is perpendicular to the general top plane of said outer shearing foil; said cutting head incorporating a fan operating together with said inner cutter means for producing an air flow which draws in outside air through said perforations of the outer shearing foil and flows outwardly through a discharge port of said cutting head carrying clipped fiber strands in said air flow; said handle grip being provided with a detachably mounted recovery chute for receiving therein said clipped fiber strands carried in the air flow; said cutting head extending forwardly from said one longitudinal end of said handle grip with the center axis thereof inclined at an obtuse angle to the longitudinal axis of said handle grip; said chute extending substantially the full length of the front surface of the handle grip from its one longitudinal end adjacent to said cutting head and to the other longitudinal end, said recovery chute having an exhaust port for discharging the air outwardly while storing the clipped fiber strands therein; and said recovery chute having along its length a tapered front surface which tapers from said one longitudinal end adjacent to the cutting head to the other end of the handle grip such that said tapered front surface is spaced from the general top plane of the outer shearing foil by a greater distance toward said other end than at the one end adjacent to said cutting head said handle grip including a handle body extending along said longitudinal axis and having said generally flat front surface on which said recovery chute is slidable along said longitudinal axis for attachment and detachment therefrom, said recovery chute including a filter grid which is fitted over said exhaust port of the recovery chute and carries a filter for entrapping the clipped fiber strands within said chute while allowing the air to pass therethrough, said exhaust port located in the rear wall of said recover chute facing the front surface of said handle body to form therebetween an air passage leading outwardly of said handle grip through an air vent formed between the rear edge of said recover chute and the front surface of said handle body.

Claim 12

A hand-held clipper for removing entangled fibers from surface of fabrics comprising: an elongate handle grip having a longitudinal axis; a cutting head formed at one longitudinal end of said handle grip, said cutting head comprising a perforated outer shearing foil and an inner cutter means driven to move in shearing engagement with the undersurface of said outer shearing foil for shearing the entangled strands of fibers entering the perforations in said outer shearing foil; said cutting head having a center axis which is perpendicular to the general top plane of said outer shearing foil; said cutting head incorporating a fan operating together with said inner cutter means for producing an air flow which draws in outside air through said perforations of the outer shearing foil and flows outwardly through a discharge port of said cutting head carrying clipped fiber strands in said air flow; said handle grip being provided with a detachably mounted recovery chute for receiving therein said clipped fiber strands carried in the air flow; said cutting head extending forwardly from said one longitudinal end of said handle grip with the center axis thereof inclined at an obtuse angle to the longitudinal axis of said handle grip; said chute extending substantially the full length of the front surface of the handle grip from its one longitudinal end adjacent to said cutting head and to the other longitudinal end, said recovery chute having an exhaust port for discharging the air outwardly while storing the clipped fiber strands therein; and said recovery chute having along its length a tapered front surface which tapers from said one longitudinal end adjacent to the cutting head to the other end of the handle grip such that said tapered front surface is spaced from the general top plane of the outer shearing foil by a greater distance toward said other end than at the one end adjacent to said cutting head said handle grip including a handle body extending along said longitudinal axis and having said generally flat front surface on which said recovery chute is slidable along said longitudinal axis for attachment and detachment therefrom, said recovery chute including a filter grid which is fitted over said exhaust port of the recovery chute and carries a filter for entrapping the clipped fiber strands within said chute while allowing the air to pass therethrough, said exhaust port located in the rear wall of said recover chute facing the front surface of said handle body to form therebetween an air passage leading outwardly of said handle grip through an air vent formed between the rear edge of said recover chute and the front surface of said handle body.