US405521A

US405521A - Marcellus bailey

Info

Publication number: US405521A
Authority: US
Publication date: 1889-06-18
Anticipated expiration: 1906-06-18

Description

(No Model.) 2 Sheets-Sheet 1. M. BAILEY.

Y LEAD 0R GRAYON HOLDER. No. 405,521. Patented June 18, 1889.

(No Model.) 2 Sheets-Sheet 2., M. BAILEY.

LEAD 0R GRAYON HOLDER.

No. 405,521. Patented June 1,8, 1889.

WVM/www UNITED STATES ATENT OFFICE.

MARCELLUS BAILEY, OF lVASHlNGTON, DISTRICT OF COLUMBIA, ASSIGN OR TO THE EAGLE PENCIL COMPANY, OF NEWT YORK, N. Y.

LEAD R CRAYON HOLDER.

SPECIFICATION forming part of Letters Patent No. 405,521, dated J une 18, 1889. Application filed December 14, 1888. Serial Nn. 293,568- (No model.)

To all whom t may concern:

Be it known that I, MARCELLUS BAILEY, of Vashington city, in the District of Columbia, have invented a new and useful Improvement in Lead or Crayon Holders, of which the following is a specification.

The holder in which my invention is comprised is one in which the carrier for the lead Aor other article is free to move by gravity ro within predetermined limits in the case or sheath of the holder. It combines in .itself the characteristic feature of what is known in the market as the stop-gage automatic pencil, together with a step-by-step feed for the lead-carrier.

The nature of my invention and the inanner in which the same is or may be carried into effect can best be explained and understood by reference to the accompanying drawzo ings, in which- Figure 1 is a longitudinal central section, partly in elevation, of a holder embodying` my invention, with the parts in the position they occupy when the pressure -cap is retracted. Fig. 2 is a like view of the same holder, with the parts in the position which they assume when the pressure-cap is pushed forward against the stress of its retractingspring. Fig. 3 is a similar view of the parts 3o inV the position they occupy when the pressure-cap is again allowed to recede. Fig. 4 is a cross-section of the holder on an enlarged scale. Figs. 5 and 6 are views, respectively, of the straight slotted tube and the zigzag- 3 5 slotted tube, which in conjunction determine the movement of the lead-carrier. Fig. 7 is a view of the lead-carrier.

A is the sheath or handle, of any approved pattern or construction, provided at the front 4o end with a tip or nozzle A', preferably detachable, to which end in the present instance it is provided with an internal rib or lug a, which enters a screw-thread b on the front end of the holder. Vithin the sheath or handle are the two tubes B and C. Either one of these tubes may be within the other. In the present instance the straight-slotted tube B is inside the zigzag-slotted tube C. IVithin the tube B is the carrier D, which fits 5o loosely therein, so that wheneverit is released it may be free to move by gravity in either direction,`according' as the pencil is held point upward or point downward. It is provided with a socket, as usual, to receive the lead X, and it has a pin or lug c, which projects through the straight slot CZ of tube B into the zigzag slot c of tube C. "With the carrier in this position it will be seen that by giving one of the tubes an oscillatory movement or a back-and-fortli movement of par- 6o tial rotation with respect to the other the carrier will by gravity travel from one jog to the next of the zigzag slot c, the direction of such travel being governed by which end of the tube is held uppermost, and the distance thus traveled being determined by the distance which separates the one jog from the next adjoining jog. This movement of rotation can be imparted to either one of the tubes. In the'present instance it is imparted 7o to the inner tube B, the outer tube C being stationary and .fixed to the sheath or handle. The rear end of the inner tube B projects back through and beyond the open rear end of the outer tube C and isattached to the pressure-cap D, between which and a shoulder in or on the sheath or handle is interposed a retracting-spring E, as in the ordinary automatic holder.

To obtain the necessary oscillatory move- 8O ment of the straight-slotted tube B, it is connected with the stationary tube C by a pinand-inclined-slot connection, the pin f being on the tube B and the inclined slot g, into which the pin projects, being in the outer tube C. Under this arrangement it will be seen that when the tube B is moved longitudinally back and forth in the tube C it will have an oscillatory or partial rotary movement therein. It is convenient, mechanically, to 9o obtain this oscillation through the longitudinal movement of tube B; but manifestly the tube can be permitted to have rotary movement only, and can be connected by a pin-andslot connection with a plunger attached to the pressure-cap, so that a longitudinal movement of the cap will give rotary movement to the tube B. The arrangement shown in the drawings, however, is preferred, because it involves a less number of parts. 1o@

Normally the parts occupy the position represented in Fig. l, in which the point of the lead is supposed to be within the handle. The lead is held firmly in this position by the tube B, which is turned so as to jam the oarrier-pin cinto one of the jogs, say jog x, of the zigzag slot e.

To project t-he lead, hold the pencil point downward, as in Fig. 1, and push forward the pressure-cap, as in Fig. 2. By this movement the pin will have been released byv the partial rotation of tube B, and will have traveled by gravity down the incline which separates jog from ',the jog y next below it, and will be opposite the last-mentioned jog, as seen in Fig. 2. If now the pressure-cap be released, the retracting-spring E will return to its original position, causing the straight-slotted tube B to partially rotate in the other direction, so as to return to its original position, with the effect of carrying the carrier-pin over into and jamming it in the jog y, as seen in Fig. 3. Each reciprocation of the pressure-cap with the pencil held point downward will advance the carrier one jog, and in this way a step-by-step feed for the lead is provided. In the same .way the lead, when the pencil is held point upward, can be retracted. In this manner an automatic pencil is obtained having a gravityjmoi'fing lead or leadcarrier and combining whatmay be term ed the stopgage feature with a step-bystep feed. This result is due to the use in conjunction with the carrier of the straight-slotted tube B and the zigzag-slotted tube C, said tubes being in a direction opposite to that in which it is y moved by hand, and the carrier provided with a pin which enters both the straight slot of tube B and the zigzag slot of tube C, substantially as and for the purposes hereinbefore set forth.

2. The combination of the pencil sheath or handle, the carrier, the straight-slotted tube B, and the zigzag-slotted tube C, the one rotatable with respect to the other, the longitudinally-movable pressure-cap, connected to the rotatable tube in suoli manner that its longitudinal reciprocation shall cause oscillatory movement of the rotatable tube, and the retracting-spring, these` elements being conibined for joint operation substantially in the manner hereinbefore set forth.

In testimony whereof I have hereunto set my hand this 12th day of December, 1888'.

MARCELLUS BAILEY.

Witnesses:

EWELL A. DICK, WILL E. AUGHINBAUGH.