US2280441A

US2280441A - Dart

Info

Publication number: US2280441A
Application number: US417819A
Authority: US
Inventors: Arthur B Mull
Original assignee: SPOTSWOOD SPECIALTY Co IN
Current assignee: SPOTSWOOD SPECIALTY Co IN; SPOTSWOOD SPECIALTY COMPANY Inc
Priority date: 1941-07-23
Filing date: 1941-11-04
Publication date: 1942-04-21
Anticipated expiration: 1959-04-21

Description

tApril 21, I942. A. B. MULL v I 8 I I DART.

Original Filed July 23, 1941 INVENTOR wad/Lam;-

Patented Apr. 21, 1942 mar Arthur B. Mull, Chicago, Ill., assignor of one-half to Spotswood Specialty Company, Inc., Lexl ington, ;Ky., a corporation of Kentucky Original application July 23, 1941, Serial No. 403,701. Divided and this application Novemher 4, 1941, SerialNo. 417,819 r 7 Claims. (01. 2731-4065) This invention relates to a dart and more particularlyto a dart utilizing sheet material in the manufacture thereof. 1 T

*An object of this invention is to provide a dart wherein the main body portion thereof is made from sheet material. v

Another object of this invention is to provide a dart that is. easily produced, economical to manufacture, efiicient, dependable and safe to manipulate, wherein the dart protective head.

Another object of this invention isto provide a paper dart having a suction cup attached thereto. 1 i

Another object of this invention is to provide a dart made from folded sheet material at tached toa suction cup. y 1

Other objects and advantagesreside in the con struction of parts, the combination thereof and the mode of operation, as will become more apparent from the following description.

In the drawing,

Figure l is aperspective View ofthe dart or projectile loaded in a catapult in readiness for firing. 1

Figure 2 is another perspective view showing a portion of the catapult and the dart shortly after leaving the catapult. Figure 3 is a top plan view of the blank used in forming the main body of the dart.

Figure 4 is a rear end view of the dart or projectile.

is provided with a for the neckZZ of the dart, which neckjprojects tween the sides I4, forms a reenforcing portion into a slotted opening or hole in the suction cup iii. The neck 22 is enlarged at the outer end, so as to form an anchor seated in the slot inthe suction cup it. Although the neck isenlarged and thereby anchored in the slot in thesuction cup, it is necessary for some purposes to cement the neck 22 in the slot of the suction cup.

Instead of cementing the neck, a suitable reenforcing member may be wedged between the folded portions of the neck, so as to cooperate with the enlarged end to rigidly anchor the tail portion. in the suction cup. This reenforcing member may project between the sides of the tail portion, so as to g'ive the sides rigidity. The rear ends of the sides I4 are inclined at Mb, as to form a band engaging seat, as will appear more fully later. This dart assembly isprojected from a suitable catapult, which will be briefly described. i

The catapult is preferably made from a cardboard blank 30 having a pair of overlapping portions or flaps 34 folded upon the main body portion 36 and held in position by a staple 38. The overlapping portions, 34 cooperate to form a longitudinal slot having a cross sectional area simulating an inverted T, in which slot the dart is seated immediately prior to being projected. The forward end of the main body portion is provided with an extension 40, having a pair of slots 42 adapted to receive a rubber band 44. Before Figure 5 is a perspective view looking at the No. 403,701 filed July 23,

1941, for Catapult, ripening into Patent No. l

2,264,807 on December 2 1941.

The catapult dart assembly shown herein consists broadly of a dart or a projectileand a catapult therefor, which will now be described.

loading, this rubberband is stretched so as to 1 have the loop positioned under a band retaining extension. 46 projecting from the opposite end of the catapult.

As clearly shown in Figure 1, when the rubber band 44 has been positioned in engagement with the extension 46, the dart is inserted in the slot The projectile or dart assemblyincludes a head portion, which consists of a cup H), and atail portion I2.

I2 is made from suitable sheet example, a good grade of paper The tail portion material, as for orlight weight vacuum or suction cardboard. The entire tailportionconsists of a 1 single piece made from a blank as shown inFigure 3. This tail portion includes apair of side members [4 formed by folding the blank along the line I 4a. The side members l4 merge into coplanar wing portions l6 extending outwardly from the creases 'or score lines 16a. The plane of the wing I6 is offset from thesuction cup, so as to permit the use of-a catapult for projecting the dart, as will appear more fully later.

As may be seen by referring to Figures 3' and 4, the tail portion is reenforced by an extension l8 that is folded on the score or fold line 20.

This extension 5, when folded into the bight beformed between the overlapping portions 34 and seated near the lower end of the catapult, with the wings I 5 of the dart positioned in channels found between-the overlapping portions 34 and the main body portion 36. The rubber band may then be released from the extension 46, causing it to snap into engagement with portion of the dart, so as to the catapult. I

As soon as the dart leaves the catapult, the wings l6, extending outwardly, guide the dart,

shoot the dart from causing it to shoot through the air. The suction cup I0 functions as a weight and the tail portion l2 of the dartfunctions as a taiL'causing the suctioncup to head the dart. If the suction cup alights withsuflicient momentum on a "smooth surface substantially normal to its direction of flight, the suction cup will stick to the smooth surface, holding the dart in the position inwhich it alights.

This dart is easily manufactured from cheap the band receiving materials, requiring few parts that are assembled with a very few manual operations. At the same time, the resulting structure is very attractive as an amusement toy.

The type and grade of material used, the weight and-the size thereof are a matter of choice, depending entirely upon the ultimate use to which the dart is to be put. Instead of using cardboard for the sheet material parts, these may be made from sheet metal or any other suitable sheet material having the desired characteristics.

Although the preferred modification of the device has been described, it will be understood that within the purview of this invention vvarious changes may be made in the form, details, proportion and arrangement of parts,'the combination thereof and mode of operation, which generally stated consist in a device capable of carrying out the objects set forth, as disclosed and defined in the appended claims.

Having thus described my invention, I claim:

1. A suction cup sheet material dart assembly for use in a catapult provided with a longitudinally extending slot having a cross sectional area simulating an inverted T, said dart including a rubbersuction cup forming the head of the dart assembly, said rubber suction cup having a retaining slot, and a sheet material tail portion provided with a main body portion having the forward ends folded and attached in the slot in the suction cup, and outwardly extending coplanar wing portions integral with the main body portion to guide the dart assembly in flight, said outwardly extending wing portions being located in a plane positioned to one side of the suction cup so as to permit the dart to be loaded in the T slot of the catapult.

2. A suction cup sheet material dart assembly for use in a catapult provided with a longitudinally extending slot having a cross sectional area simulating an inverted T, said dart including a rubber suction cup provided with a retaining recess, said suction cup forming the head of the dart, atail member having one end anchored in said retaining recess, and means for attaching said, tail member in the suction cup, said tail member including a pair of integral side portions united in a fold along the top of the tail memsuction cup, said wing portions guiding the dart in flight.

4. A suction cup sheet material dart assembly including a rubber suction cup provided with a retaining recess, said suction cup forming the head of the dart, a tail member having one end anchored in said retaining recess, means for cementing'said tail member in the suction cup, said tail member including a pair of integral sheet material side portions united in a fold along the top of the tail member, and reenforcing means located between the side portions of the tail member, said reenforcing means consisting of a sheet material portion folded on a transl verse line so that the reenforcing means is integral with the side portions.

5. A suction cup sheet material dart assembly for use in a catapult provided with a longitudinally extending slot having a cross sectional area simulating an inverted T, said dart including a rubber suction cup forming the head of the dart, said rubber suction cup having a vertically disposed retaining slot, and a sheet material tail member including a pair of integral side portions united in a fold along the top of the tail member, said side portions merging into a restricted tapered neck portion, said neck portion projecting into the retaining slot in the suction cup, the tapered neck anchoring the tail member in the suction cup, each of said side portions merging into a laterally extending wing portion located in a plane positioned to one side of the suction cup and said wing portions guiding the dart in flight.

6. A suction cup sheet material dart assembly including a rubber suction cup forming the head of the dart, said rubber suction cup having a retaining slot, and a sheet material tail member including a pair of integral side portions united in a fold along the top of the tail member, said side portions merging into a restricted tapered ber, each of said side portions merging into a laterally extending wing portion, said wing portions guiding the dart in flight, said outwardly extending wing portions being located in a plane positioned to one side of the suction cup to permit loading of the dart in the T slot of the catapult.

3. A suction cup sheet material dart assembly for use in a catapult provided with a longitudinally extending slot having a cross sectional area simulating an inverted T, said dart including a rubber suction cup provided with a retaining recess, said suction cup forming the head of the dart, a tail member having one end anchored in said retaining recess, means for cementing said tail member in the suction cup, said tail member including a pair of integral side portions united in a fold along the top of the tail member, and means projecting into the retaining recess in the suction cup and positioned between said side portions for reenforcing said tail member, each of said side portions merging into a laterally extending wing portion, said wing portions being located in a plane positioned to one side of the neck portion, and folded reenforcing means positioned between said side members for reenforcing the tail member, said folded reenforcing means being integral with the neck portion, said neck portion projecting into the retaining slot in v the suction cup, the tapered neck anchoring the tail member in the suction cup, each of said side members merging into a laterally extending wing portion, said wing portions guiding the dart in night.

'7. A suction cup sheet material dart assembly for use in a catapult provided with a longitudinally extending slot having a cross sectional area simulating an inverted T, said dart including a rubbersuction cup provided with a retaining recess, said suction cup forming the head of the dart, a tail member having one end positioned in said retaining recess, means for attaching said tail member to the suction cup, said tail member including a dart of integral sheet material side portions united in a fold along the top of the tail member, said side portions merging into wing portions positioned in a plane located to one side of the suction cup, and reenforcing means overlapping the side portions of said tail member, said reenforcing means consisting of a sheet material portion folded on a transverse line so that the reenforcing means is integral with the side portions,

ARTHUR B. MULL.