Yarn paraffining device
AssigneeNuova San Giorgio S.p.A.
InventorMario Piro
Life of this patent
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Abstract
Device for yarn paraffining with solid paraffin in textile machines. The device comprises a block of paraffin carried by a support rotating on and sliding along a pin; a lever acting against the paraffin support and a return spring connected to the lever at a connection location angularly rearwardly displaced relative to the lever end acting on said paraffin support.
Claims12
Apparatus for applying paraffin to a yarn filament comprising a frame, a longitudinally extending pin supportable in a fixed positional relationship to said frame, a paraffin block support member comprising a paraffin block support surrounding said longitudinally extending pin and being freely rotatable relative to the longitudinal axis of said pin, said paraffin block support being mounted for slidable movement longitudinally with respect to said pin, means for applying a force to said paraffin block support for urging said paraffin block support in a first longitudinal direction relative to said pin comprising a lever mounted for pivotal movement about a pivot axis which is fixed with respect to said pin, said lever having a portion engageable with a portion of said paraffin block support, spring means for urging said lever in a forward rotational direction about said pivot axis for applying a force couple to said lever arm for urging said paraffin block in said first longitudinal direction, said spring means including means for maintaining a substantially constant force couple about said pivot axis for all operative pivotal movements of the lever arm about said pivot axis.
Dependencies are inferred from the claim text.