US862955A - Lead-pencil. - Google Patents

Description

PATENTED AUG. 13, 1907.

E. WIN NE- LEAD PEN GIL. APPLIOATION FILED APE.9,1907.

In ventor:

ERNEST WINNE, OF NEW YORK, N. Y.

LEAD-PENCIL.

Specification of Letters Patent.

Patented Aug. 13, 1907.

Application filed April 9, 1907- Serial No. 367,239.

To all whom it may concern:

Be it known that I, ERNEST WINNE, a citizen of the United States, and a resident of the city of New York, borough of Manhattan, in the county of New York and State of New York, have invented certain new and useful Improvements in Lead-Pencils, of which the following is a specification.

This invention relates to improvements in lead pencils and particularly to lead pencils having the lead adjustably or removably held in a wooden or other sheath, for the purpose of avoiding the necessity of sharpening the sheath and thus preserving continually the full length of the pencil.

The object of my invention is to provide a new and improved lead pencil of this kind, which is simple in construction, and in which the lead can be easily and rapidly adjusted and when adjusted is held firmly and securely in position and which is cheap.

In the accompanying drawings, in which like letters of'reference indicate like parts in all the figures:- Figm'e 1 is a longitudinal sectional view of the upper end part of my improved lead pencil. Fig. 2 is a perspective view of the locking wedge. Fig. 3 is a transverse sectional view on the line 33 of Fig. l.

The sheath or shell A of the pencil is made of wood, paper 01' other suitable material and is tapered at its upper end in the conventional manner and is provided with a bore B of sufficient diameter to receive the lead 0 of the desired thickness. For the purpose of strengthening the upper end of the bore and preventing splitting of the tapered end of the sheath or shell, a reinforcing sleeve D preferably made of metal may be inserted and secured in the upper end of the bore and the surface of its bore is preferably made flush with the bore of the sheath as shown in Fig. 1. The lead 0 can be moved lengthwise freely in the bore of the sheath A and after having been adjusted to project the desired distance from the upper tapered end of the sheath A is locked in place by the locking wedge E preferably made of metal and provided at its larger outer end with an offset lip or lug F projecting from the convex side of the wedge and under which the finger nail can be placed to push or pull the wedge out of the bore and out of engagement with the lead. The locking wedge E is segmental or meniscus shaped in cross section so as to fit snugly on the outer surface of the lead 0 and on the surface of the bore B. By forcing inward the locking wedge E after the lead has been adjusted to the desired position this wedge locks the lead securely in place.

The wedge E is pushed inward until its top ledge or shoulder F rests upon the upper end of the sheath as shown and when in this position the wedge is practically out of sight and the ledge or shoulder F does not project sufficiently to be in the way or in any way objectionable while using the pencil for writing or drafting. The lead can be released instantly by merely with-drawing the wedge more or less, without removing it entirely from the bore in the sheath and can then be pushed back to lock the lead in place.

Having described my invention what I claim as new and'desire to secure by Letters Patent is In a lead pencil, the combination with a tubular sheath for receiving the lead and having a tapering; end from which one end of the lend is to project, of a wedge which is curved transversely to its length and has a lip at its larger end on the convex side and which wedge is to be inserted in the tapered end of the sheath between the lead and the bore of the sheath, substantially as set forth.

Signed at New York city in the county of New York and State of New York this 2nd day of April A. D. 190T.

ERNEST \VINNE.

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