Clamp

Details Clamp Clamp

1994-09-13

1996-08-20

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Clasp, clip, support-clamp, or required component thereof

Including pivoted gripping member

24499, 24516, A44B 2100

Patent

active

055466400

DESCRIPTION:

BRIEF SUMMARY
The invention relates to a clamp for arrangement on a carrying arm e.g. of a trouser or skirt hanger. The clamp has two clamp halves, with in each case two lateral angle pieces in which are located a hole for the positioning of the clamp halves on the carrying arm. The angle pieces, directed against each other, of the clamp halves abut each other pairwise and one angle piece of every clamp half lies on the inside and the other angle piece of the same clamp half lies on the outside. Arranged between the clamp halves is a legged spring which keeps the clamps closed.
Such a clamp is known from DE-U-71 07 670 and DE-U-90 04 752. The angle pieces of the clamp halves are flat sheet-steel parts. An advantage of this structure is that the two clamp halves can be of identical design, as a result of which stock-keeping is simplified. For assembly, the legged spring and the two clamp halves must be pushed onto the carrying arm, requiring to be held together by hand or mechanically. This makes assembly difficult.
Known from DE-U-90 14 462 is a similar clamp in which the two angle pieces of the first clamp half lie between those of the second clamp half and the edge of the holes in the angle pieces of the first clamp half is arched outwards and engages with correspondingly designed holes in the angle pieces of the second clamp half. The clamps can therefore be pre-assembled, i.e. the two clamp halves and the spring lying between them form an independent structural group. This simplifies the production process, as the clamps can be stored pre-assembled and do not need to be pushed onto the carrying arm until later. It is thereby possible to react more quickly to customers' wishes for carrying arms of a certain length or design. However, the differently designed clamp halves inevitably entail higher production costs.
The object of the invention is to provide a clamp which, on the one hand, can be mechanically pre-assembled and, on the other, entails the lowest possible manufacturing costs.
According to the invention, this object is achieved in that, in the case of a clamp of the design mentioned initially, the internal angle piece of one clamp half interlocks rotatably with the opposite, external angle piece of the other clamp half, and the legged spring fills, in axial direction, the space between the internal angle pieces in each case of the clamp halves.
In the assembled state, one angle piece of each clamp half thus lies on the inside and the other angle piece of the same clamp half on the outside. The two clamp halves can therefore be structurally identical.
The fact that the legged spring fills, in axial direction, the space between the internal angle pieces in each case of the clamp halves means that the axis of the legged spring roughly coincides with the axis of the carrying arm which is inserted through the holes of the angle pieces. For preference, not only does the legged spring fill the space between the internal angle pieces in each case of the clamp halves in axial direction, but the legged spring is also slightly axially prestressed. This prestressing of the spring can lie in the range between 0 and 50N and is preferably 25 to 30N for a skirt or trouser hanger.
Various configurations are possible for the interlocking of an internal angle piece and an external angle piece. The end-zone of the internal angle piece can e.g. be of semi-circular design, this semi-circular zone in whose centre the hole lies being elbowed outwards. The corresponding external angle piece has a hole with a greater diameter which corresponds to the outer diameter of the elbowed zone of the internal angle piece with a play of preferably 0.5 to 1 mm, so that the elbowed zone is accommodated in the hole of the external angle piece.
To achieve as good as possible an abutment of the angle pieces against each other, preferably only a narrow semicircular edge zone of the hole is pushed out from the internal angle piece, while the circular zone surrounding this edge zone, which is likewise roughly semicircular-annular, is left in the origi

REFERENCES:
patent: 1893508 (1933-01-01), Rosenberg
patent: 2237731 (1941-04-01), Freysinger
patent: 2569371 (1951-09-01), Cohen
patent: 2782482 (1957-02-01), Bartil et al.
patent: 3456262 (1969-07-01), Coon
patent: 4175366 (1979-11-01), Bigelow et al.
patent: 4382531 (1983-05-01), Bisk et al.
patent: 4722120 (1988-02-01), Lu

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