Патент USA US2411596код для вставки
Patented ‘25,1946 I 2,411,596 , s'rArs s" PATENT voer-‘ice \ - 2,411,596 ‘T ' ‘ TOY. New York, N. Y., and Islyn~ Hohl, Newar , Thomas, Livingston, and Johnassignm cuts, to I Benjamin H. Shapiro, ‘N. J ., 'assignors, by mesne Plastic Parts Development Corporation,’ New- ' ark, N. 3., a corporation of New Jersey Application June 11, 1945, Serial No. 598,798 4 Claims. __(Cl. ‘46-205)’ ,tionallyengaged by the driving disc ll to be ro-v The presentl‘invention relates. to a toy and I tated thereby and correspondingly rotate the shaft ‘28 which is journaled in the boss ll helicopter, the blades of which are rotated by " ‘moulded inthev upper member" of the fuselage. the, movement 'of -the carrying wheels when the It‘ would be dif?cult and extremely costly, even if it were possible, to mould‘from a plastic .a toy is pulled along a'iiooring. more particularly to a pull toy in the form of a unitary member comprising, the helicopter blade 10 and frictionally driven disc i2. It would simi plastic material. The movable parts vof the toy larly be extremely dlmcult and costly, if at all‘ comprise a .member forming helicopter blades 10 possible, to mould from a plastic materiala uniand which member is :journaled for rotation in tary structure comprising the 'toy‘. carrying, the fuselage‘ofthehelicopter' to simulate the action of this ‘type of airplane. The helicopter . ‘ wheel: I! and 20 and the frictional driving mem ber I ~ blades are operatively connected to the support ing wheels of the'helicopter so as to! be driven . s In order to form these members from parts that may each‘ be molded from a single die, we 15 thereby asthe toy is pulled" and moves along the blades ill from a member having . construct the shaft 28 from the end of which there ex and on‘ a ?oor.. ' ‘ These ‘elements-arelfinecessarily of such con- . tends a shaft 34 of reduced diameter. The axle otfbe ordinarily molded -' or shaft 28 is inserted into the opening in the struction that-theyi: __ V V in one, piecefrom'; plastic material. The pres 20 boss 30 to extend into the interior 36 of the ent invention‘ztherefor'e,fcontemplates the pro upper. section 32 of the fuselage. The upwardly vision of a method ‘ ' anufacturing such opera tive eiements'IYfrom parts-"that may be molded from a plasticnlaterlal and assembling them in the toy as units. _' '- . ' , ‘ These and othervland further objects of the as ‘present invention wiltbe clear from the following description‘ and they drawings appended thereto in which ' - Fig. 1 is a plan view of a pull toy helicopter extending sleeve .28 of the driven disc is then arranged .on the shaft 34 against the shoulders 40 and cemented thereto by any suitable means. Each element of the blade assembly may thus be molded from a single die and when assem bled‘in the upper section 32 of the fuselage can,-v not be‘ removed therefrom, the blades l0 and‘ shaft 28 serving as stop members against the 30 boss 30. ' Each wheel l8 and.“ is likewise made in ‘a Fig. 2 is a section on the line 2-2 of Fig. 1; single die and has extending therefrom an axle Fig. 3 is a section on the line 3-4 of Fig. 1; forming element 39 from each of which the Fig. 4 is an exploded sectional -view of the reduced shaft 42 extends. The driving disc I4 parts which are assembled to form: the helicop is made in the same die that the driven disc I2 ter blade and ‘its frictional driving member, the 35 is ‘made and also has a sleeve 14 extending according to our invention; , a axle, supporting wheel and blade driving ‘mem ber assembly. Referring now to the drawings, the ‘elements - therefrom. ‘ ' ' The wheels and disc driving member are as-; semble'd on the lower section 20 of the fuselage of the toy helicopter are formed from a plastic: by inserting a shaft 39 in one-of the carrying 40 members 48 extending down from the section _ -material which is molded into the desired form. It will of course be understood that the various '2'. - Each shaft 42 is inserted in the sleeve 44 elements of the helicopter are molded by con with'the disc ll extending up through the open ing 22 and the sleeve 44 and pins 42 cemented ventional dies, which form no part of the 'pres-. the shoulders-43 bearing against the ent invention. helicopter blade 45 together, driving disc ii and its .sleeve '44. The thus disc l2 which is ' formed wheel, axle and driving disc assembly [0 is provided with ' ' H ‘carried on the unit is held in place by the wheels I8 and 20 engaged by the driving disc helicopter supporting ' axis IS on which the which serve as stops against the downwardly wheels l8 and 20 are mounted. As the helicopter - extending carrying members 46. 60 is pulled-along the ?oor or support on which it ' v The lower‘ and upper sections 26 and 32 are then cemented together to form the completed helicopter toy. is carried, the wheels i8 and 20 rotate to drive the disc I‘ which extends through the-opening ' - It will be ‘understood that, if desired, the driv-I '22 in the floor 24 of the under member 26 of the fuselage.‘ The driven disc ‘l2 extending 65. ing discs 12 and,“ may be formed from gear down from the axle 28 of the blades i0 is fric 2,411,500 ‘ 4 members instead of the frictional discs illus- ‘ driving means being open to receive and secure It will be apparent that each of ‘the elements wheels, said driving means extending through the, trated. therein at each side' thereof each shaft on the comprising our toy helicopter may be molded in a corresponding die from a plastic material and opening in the‘?oor of the lower fuselage sec tion in engagement with the driven means, the readily assembled together to form a compara upper and lower 'sections of the fuselage being tively inexpensive helicopter pull to)’. the blades secured together. of which will be rotated upon moving the toy on a supporting surface. We claim: -' ' . ‘ 10 1. In a pull toy in the form of a helicopter, the ~ parts of which are each molded from a plastic’ ‘ > 2. The toy of claim 1, said driven and driving means comprising discs in frictional engage ment. - 3. In a toy molded from a plastic material. a pair of wheels, each having a shaft extending material, a blade member, an upper fuselage sec therefrom, and a driving means open at each end tion, a boss in the upper fuselage section, said for receiving therein at, each side thereof the ‘blade member having a, shaft Journaled in the ll shaft of each wheel, said shafts being cemented boss and extending into the interior of the upper _ in the opening to form a wheel and axle assembly fuselage member, a driven means having a sleeve, ' having an intermediate driving means mounted for receiving and securing therein the said shaft thereon. on the blade member extending in the interior 4. The toy of claim 3 said driving means com of the upper fuselage section, ‘a lower fuselage 20 prising a disc having a sleeve extending there sectionhaving carrying means extending down ward therefrom and having an opening in the . ?oor thereof, a wheel on each side of the fuselage and having a shaft iournaled in the carrying means and a driving means having a sleeve, said from. ' " » - BENJAMIN H. SHAPIRO. ISLYN THOMAS. ' JOHN HOHL.