US 4,359,194 AGranted

Two piece mandril for quick mounting and release of cones, used in textile industry

AssigneePlastech, Inc.

InventorsAmsey Buehler, Robert P. Marquis

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Abstract

A mandril for mounting a cone used for winding thread or the like comprising in combination, a first cone-like member having a substantially conical outer surface, the member adapted to receive a shaft therein for use in mounting the mandril, the conical outer surface having abutment means thereon selectively extendable outwardly therefrom to thereby provide selectively, a protuberance on the conical outer surface and a second member, adapted to enter within the first member, means on the second member adapted to engage means on the first member when the first and second members are assembled together, to ensure locking and driving engagement therebetween, the second member also having means thereon cooperatively engageable with the abutment means and arranged such that, in a first position relative to the first member, the abutment means will not be extended by the means but in a second position relative to the first member, the abutment means will be extended by the means, outwardly of the surface to thereby provide the protuberance on the conical outer surface for use in positively securing the cone upon the mandril for driving engagement therewith.

Claims21

Dependent claims

A mandril for mounting a cone used for winding thread or the like comprising in combination:

(a) a first cone-like member having a substantially conical outer surface arranged symmetrically about the longitudinal central axis of said member, an aperture in said member extending along at least part of said central axis and adapted to receive a shaft therein for use in mounting said mandril, said member also including means for positively securing said shaft thereto and for rotation therewith, said conical outer surface having abutment means thereon selectively extendable outwardly therefrom to thereby provide selectively, a protuberance on said conical outer surface;
(b) a second member, at least part of which is within said first member, said second member having a bore therein extending lengthwise and substantially centrally of the longitudinal axis of said second member, means on said second member continuously interlockingly engaging means on said first member to ensure positive locking and positive non-frictional driving engagement therebetween, said second member having means thereon for engagement by further means for selectively moving said second member inwardly or outwardly of said first member, said second member also having means thereon cooperatively engageable wih said abutment means and arranged such that, in a first position relative to said first member, said abutment means will not be extended by said means but in a second position relative to said first member, said abutment means will be extended by said means outwardly of said surface to thereby provide said protuberance on said conical outer surface for use in positively securing said cone upon said mandril for driving engagement therewith.

A mandril for mounting a cone used for winding thread or the like, comprising in combination:

(a) a first cone-like portion having an apex end and a base end, said portion having a substantially conical outer surface and wall arranged symmetrically about the longitudinal central axis of said portion, a bore in said portion extending along at least part of said central axis and adapted to receive a shaft therein for use in mounting said mandril, said portion also including means for positively securing said shaft thereto and means for ensuring rotation therewith, said conical outer surface and wall including a tongue or the like portion therein, the free end of said tongue extending upwardly of said conical outer surface toward said apex end and said tongue being selectively displaceable relative to the remaining conical outer surface adjacent thereto, to thereby provide, selectively, a protuberance on said conical surface, and an aperture in said conical surface and wall adjacent said free end of said tongue;
(b) a second elongated portion, part of which is adapted to enter within said first portion, said second portion having a bore therein extending lengthwise and substantially centrally of the longitudinal axis of said second portion, and adapted to slidably engage said shaft and support the same, means on said second portion adapted to engage means on said first portion when said first and second portions are assembled together to ensure positive locking and positive driving engagement therebetween, said second portion having means thereon for engagement by further means for selectively moving said second portion relative to said first portion, said second portion also having abutment means thereon adapted, in a first position relative to said first portion, to protrude into said aperture without substantially displacing said tongue and whereupon when said second portion is slidably moved outwardly of said first portion and accordingly in a direction away from the said base end of said cone-like portion to a second position, said free end of said tongue will ride upon said abutment means and due to the contour of said abutment means, displace itself outwardly of said conical outer surface and provide said protuberance on said conical outer surface for use in positively securing said cone upon said mandril for driving engagement therewith.

Dependencies are inferred from the claim text.