US2508077A - Clip - Google Patents

Description

S. PRESTON May 16, 1950 CLIP Filed March 6, 1948 INVENTOR. Jayme? Preys'zozz.

711/4. fh/( a Patented May 16, 1950 UNITED STATES PATENT OFFICE 1 Claim.

My invention is an improvement in clips and particularly a clip of elastic stainless spring steel adapted to support X-ray and photographic films, plates and other objects for developing, drying and other purposes.

An important object of this invention is to provide a clip of simple construction, having arms with ends spaced apart to allow the developing solution to drain oif quickly so as not to streak film.

Further objects and. advantages are made apparent in the following description and the novel features are defined in the claim. But this specification discloses only the preferred embodiments of my improvement; and in practice I may vary the details of the clip without departure from the real combination in which the invention resides.

On the drawings:

Figure 1 is a front view of a clip according to this invention.

Figure 2 is a side view thereof.

Figure 3 is a. perspective view of the same; and

Figures 4 and 5 are respectively front and side views of another embodiment of the invention.

The clip of Figures 1, 2 and 3 is made of an elastic strip preferably of metal, bent double transversely in the middle to present superposed, separated, resiliently united arms I and 2. At the movable ends the arms have lateral extensions 3 and 4 respectively, superposed upon each other and substantially fiush with each other at their outer extremities. Each of these extensions on one of the arms is offset towards the plane of the other arm, by means of a bent portion 5 at the junction of each extension with the arm carrying it. The two arms or main sections of the bent clip thus cross or intersect at the junctions 5.

The extension 3 is connected to the arm I adjacent one lateral edge and the connecting portion 5 is of less Width than said arm. The connecting portion 5 of the other extension 4 is likewise narrower than the arm 2 and is situated at the opposite lateral edge of said arm 2; the other edge of the arm 2 having a diagonal portion 6 to reduce its width adjacent the extension 3. Both the connecting portions 5 have a shouldered shape with respect to the arms I and 2 and are in almement across the clip. One extension also has a protruding point I, and the other a small recess or opening 8 into which the point I is thrust. When the arms I and 2 are Dressed towards each other the extensions move away from each other, and the edge of a photographic film or other flat sheet can be inserted between them to be gripped by the point I. The extensions thus form jaws for seizing and holding the article to be supported by it.

One of the arms, preferably the arm 2, has a lug 9 to enable it to be soldered or otherwise affixed to a frame so that the article can be secured in place and handled to better advantage. The frame will carry as many clips as are required for the work to be done With it.

In the form shown on Figures 1, 2 and 3, one of the extensions, such as the extension 3 attached to the arm I is shorter and has a projection at the end adjacent its junction 5. This projection is bent over towards the extension 4, which overlaps the extension 3 at the other junction 5 and makes a spacing lug, indicated at I0, which engages the other extension 4 and prevents these extensions 3 and 4 from retaining developing liquid when withdrawn from the developing tank.

The point 1 projects from a boss I3 on an extension 4 and the rim I4 of the opening 8 projects inward. The film is held between this boss I3 and rim I4, and the point 1 pierces it.

The height of the stop I0 is about equal to the combined height of the boss I3 and rim I4; this in practice about a sixteenth of an inch. In the clip as shown in Figures 4 and 5, the longer extension 4 has a rounded corner II and the stop I0 of the form illustrated in Figures 1, 2 and 3 is replaced by a stop I2 on the outer edge of the extension 4 adjacent the corner II. The stops I0 and I2 limit the closing movement of the extensions 3 and 4.

Having described my invention, what I believe to be new is:

A clip comprising a pair of movably connected arms, one of which has a lateral extension at its free end, ofiset at its junction with said arm towards the plane of the other arm, the latter having a similar lateral extension at its free end and offset at its junction with said other arm towards the plane of the first-named arm, said extensions projecting sidewise of the clip in one 3 and the same direction and being superposed REFERENCES CITED and substantially flush with each other at their The following references are of record in the outer edgesCi thr;j arrns hfillingtshoudered porti0n1s1 file 0f this patent: JOlIHng 531 EX 811510115 ere 0 an OIOSSiIl 88.0 other at the junctions of the respective gxten- 5 UNITED STATES PATENTS sions; a spacing lug carried by one extension Number Name Date on one edge and engaging the other to limit the 1,392,516 McKelvey et a1 Oct. 4, 1921 closing movement of the arms of the clip, and a 1,454,213 Chapman et a1 May 8, 1923 protuberance on one extension, the other hav- 2,169,073 Pleiss Aug. 8, 1939 ing a recess in line with said protuberance. 10

SAMUEL PRESTON.

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