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| Vending machine for dispensing refrigerated and unrefrigerated foods |
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| Vending machine dispenser |
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| Refrigeration unit for vending machines |
| OF THE INVENTION In FIG. 1 of the drawings, I have illustrated a coin-operated vending machine V ... |
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| Liquid dispenser for dispensing foam |
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| Refrigerant and method for shipping perishable materials |
| The present invention provides a refrigerant package for shipping perishable items comprising an ... |
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| Image receiving web for adhesive transfer |
| The primary object of the present invention is to provide an adhesive transfer method wherein ... |
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| Method for fabricating a glass CRT panel |
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| Flat front panel CRT bulb pre-stressed prior to final evacuation and method of making same |
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| CRT bulb having a front panel with a higher CTE than its funnel |
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Portable drawing apparatus
| Details |
Inventors: Clarke, Lloyd E.;
Assignee:
Primary Examiner: Haroian; Harry N.
Assistant Examiner:
Attorney, Agent or Firm: Miller; Richard L.
A drafting set, including a drawing board and a T-square, the board having a foldable easel on its rear side for supporting the board in various adjustable positions, the T-square including a slidable shoe on its outward end for bearing against an edge of the board which is opposite an edge against which the T-square crosshead bears, and permanent magnet means holding the shoe and crosshead from falling away from the board edges. |
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DETAILED DESCRIPTION OF PREFERRED EMBODIMENT Referring now to the drawing in greater detail, the reference numeral 10 represents a portable drawing apparatus according to the present invention, wherein there is a small drawing board 11 and a T-square assembly 12 comprised of a T-square 13 and shoe 14.
The drawing board 11 is of rectangular shape with parallel opposite side edges 15 and parallel upper and lower edges 16 and 17.
A pair of parallel runners 18 are affixed to a rear side 19 of the board.
A side 20 of each runner which faces toward the other runner is provided with a row of holes 21 near one end thereof, and an elongated slot 22 near its other end, the slot having a plurality of parallel, equally spaced apart notches 23 extending angularly therefrom, as clearly shown in FIG.
2.
A foldable easel 24 is adjustably mounted in the holes 21 and the slot notches 23, as also shown in FIG.
2, so that the board can be held at selected inclined angle.
The easel is comprised of two, like wire frames 25 pivotally connected together by means of a pair of feet 26.
Each frame is comprised of two stiff wires 27 and 28 bent into the flat configuration shown in FIG.
5, and the wires being welded together at places 29.
It is to be noted that a leg 30 of wire 27 is at 90 degree angle to a leg 31 but is at an acute angle respective to a leg 32 thereof.
The ends 33 of one frame 25 fit in the holes 21, while the ends 33 of the other frame 25 fit in the slot 22 and selectively in notches 23.
The feet 26 are located along offset portions 34 of leg 30.
Each foot comprises a molded rubber member 35 having two slits 36 receiving the legs 30, the slits being thereafter held closed by a spring metal clip 37.
One of the runners 18 additionally has a hole 38 in opposite ends thereof for pivotally supporting a generally U-shaped wire member 39, which in an end view thereof is C-shaped as shown in FIGS.
5 and 6.
The T-square 13 includes a permanent magnet bar 40 imbedded in its crosshead 41, the bar being coated with a plastic film 42
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