US2521938A - Model boat cradle - Google Patents

Description

Sept. 12, 1950 E. NITENSON 2,521,938

MODEL BOAT CRADLE Filed NOV. 27, 1946 INVENTOR. Ealwa 7'02 Mtenson orvze 5 Patented Sept. 12, I950 2,521,9ss e MODEL BoAT oitAbLE j t NitensomDorchester, Mass. Application November 27, 1346,,Serial No. 712,488

' 3Claims. (o1.-24s- 1 94 This invention relates to cradles for model reinserted therein with its foot piece at the same boats. The principal object of this invention is end thereof as the head piece occupies on the the provision of a model boat cradle which is adbase member.

justabie both longitudinally and transversely to To render this reversal of position possible, two

accommodate model boats of varying sizes and 5 notches 32 are provided at the outer edges of the shapes. foot board 22. These notches are adapted to A preferred embodiment of this invention is accommodate the base flanges 34 which are shown in the accompanying drawing in which: f rm d by the grooves 1 y this means the two Fig. l is a perspective view of said embodiment; pairs of arms may be brought very closely toward Fig. 2 is a longitudinal section on the line 2-2 10 each other, a y Will thereby be enabled to of Fi 1; a d accommodate a very short boat. On the other Fig. 3 i a transverse se ti n o the line 3-3 hand when the frame is extended in the manner oi'Fig, 2. shown in Fig. l, a rather sizable model may be Essentially this device comprises three parts: Supported he pad 38 which is aflixed to the unalongitudinally-extensible frame l0 and two pairs derside of the extension member 18 is provided of adjustably mounted hull supporting arms l2. to support the extension member in its extended The frame In comprises a base structure 14 havposition. When the relative positions of the exing a pair of spaced grooves l6 formed therein, tension and base members are reversed, this pad and an extension member 18 which rides in the 36 is removed in order to enable said member to grooves of the base. The base is provided with a 20 en r n telescopic n gement with each other. head board 20 and the extension member with a, It will be understood from the foregoing that foot b ard 22, a purely illustrative form of the invention has It will be noted that the arms I2 are pivotally been presented. Modifications and variations connected at their lower end by means of pins may be incorporated therein within the scope of 24 to these head and foot boards. To control the 25 t principles of the invention- For ple. pivotal movement of these arms with respect to his evice may be made out of pla m l. the head and foot boards, adjusting screws 26 or out of wood and plastics, or out of metals, or are provided, one for each pair of arms, These out of other materials and combinations Of magcrews extend transversely f the frame (0 and terials. The pads which make contact With the they are therefore adapted to adjust the positions hull of the boat may b m of p e ubber or of the arms either outwardly or inwardly along Of other types of rubber, 01 Of ffilt 01 similar maparallel transverse lines. terials- It will be noted that the adjusting mechanism Should it be desired to provide a model boat proper i t of t screws 25 and a pair of cradle in accordance with the present invention, wing nuts 28 on each screw. The inner surfaces which is no lo g tud n lly extensible, the teleof the wing nuts bear against the outer surfaces Scenic engagement between the base and extenof the arms, and thereby prevent spreading oi sion members would be eliminated as would the the arms beyond predetermined limitations. The extension member itself. and both Pa rs of arms upper inner ends of the arms are provided with would then be mounted upon the base member pads 30 which serve as the contact members of in recisely the same manner as the one pair of.

the boat cradle relative to the boat. arms is Shown to be mounted in e drawing- The model boat is of course supported between The grooves formed in the base member may the two pairs of arms l2. In order to adjust the give way to tracks or difierent formation on relative positions of each pair of arms, the wing which the extension member is adapted to ride. nuts are tightened or loosened upon the adjust- To provide a closer adjustment of the arm meming screw. This provides the transverse adjustbers, holes 38 are provided in the head and foot ment of the boat cradle. The longitudinal adboards to receive the pins by which said arms justment is provided by simply adjusting the relaare fastened to said boards. These holes are tive positions of the base and extension members. closer to each other than are the holes through It will be seen that the head and foot boards are which the pins are shown to extend in Fig. l. positioned at the opposite ends of these base and I l i j extension members. When it is desired, however, 1, A r me for model boats comprising a base to mount a model boat 01' very small dimensions member, an extension member telescopically u n h a rad h si n m b r s nconnected to said base member and movable lontirely removed from the base member, and it is gitudinaiiy thereof, and two pairs of boat sup- 3 porting arms, one pair pivotally mounted on the base member, the other pair pivotally mounted on the extension member, and an adjusting screw interconnecting each of said pairs of arms for transverse adjustment thereof relative to the iongitudinal axis of the cradle.

2. A cradle for model boats comprising a base member having a pair of spaced parallel longitudinally extending tracks formed therein, an extension mnibef adapted to ride onsaid tracks and to move longitudinally of said base member, and a pair of transversely adjustable boat sup:- porting arms mounted on said base member, and

a second pair of transversely adjustable boatsupporting arms mounted on said extension member.

3. A model boat cradle comprising abase, a

pair of spaced parallel grooves formed in said base longitudinally thereof, an extension member adapted to ride in said grooves and to move longitudinally of said base member, and two pairs of screw adjusting boat supporting arms, one pair mounted on the base member and the other pair mounted on the extension member, said arms being adjustable transversely of the base and extension members, and being provided with tabs which engage the sides of the boat without defacing them.

EDWARD NITENSON.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 621,61-1 Matso'n Mar. 21, 1899 756,661 Lemm Apr. 5, 1904 854,381 Rawlinson May 21, 1907 1,022,150 Oldenbusch Apr. 2,1912

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