Supports – Pipe or cable – Brackets
Reexamination Certificate
1998-12-21
2001-01-16
King, Anita M. (Department: 3632)
Supports
Pipe or cable
Brackets
C248S068100
Reexamination Certificate
active
06173926
ABSTRACT:
FIELD OF THE INVENTION
The invention relates to a clamp device for clamping one or more tubes or the like to a support, comprising a base member having at least one outwardly open, at least partly cylindrical recess for receiving a tube or the like, possibly a top plate for abutment against the base member at the side facing away from the support, and at least one fastening element in the form of a locking screw carried through mutually aligned holes in the possible top plate and the base member, and which is of the type which, by means of a head at one end and a nut at the other end, keeps the components of the clamp device together as a completely preassembled ready-to-mount unit without any loose parts, the head of the screw being located at the end to be fastened to the support and being arranged to be carried through a hole or groove in the support adapted to the head, and to be locked thereto by tightening of the nut.
A clamp device of the above-mentioned type is known from Norwegian Patent No. 174 402. Such a clamp device has a number of advantages in relation to conventional clamp devices consisting of several loose parts and therefore being relatively time-consuming to mount or dismount. Thus, advantages are achieved both with respect to manufacture, storage maintenance, ordering of parts, mounting/dismounting time and total cost. The clamp can be delivered to the user completely assembled with all parts, ready for use and consisting of only one unit, without any loose parts of any kind. None of the component parts are to be separated from the clamp device before mounting, and neither in case of dismounting. Thus, the clamp is in the same condition also after dismounting, and may be used once more.
In the known clamp device of this type the base member consists of a single part, and its outwardly open recess is formed at its opening with a constricted portion to grip and retain a tube which is introduced laterally and pressed in place in the recess. This entails that the base member exerts a limited clamping action on the introduced tube. Therefore, clamps of this type are best suited for clamping of quite small tubes where there is not required a high strength in the connection.
The object of the invention therefore is to provide a clamp device which is also suited for clamping of tubes of larger dimensions, an efficient clamping of the tube or tubes being obtained when the clamp device is mounted, at the same time as the above-mentioned advantages of this type of clamp device is retained.
The above-mentioned object is achieved with a clamp device of the introductorily stated type which, according to the invention, is characterized in that the base member consists of to halves of which at least one half has at least one recess for receiving the topical tube or tubes in a clamping manner between the halves when these are pressed against each other, and that the hole or holes through the halves is/are formed with a radial enlargement along at least a part of its length, so that the head of the associated locking screw can pass at least partly into the half nearest to the support or through this half and partly into the other half, to allow a limited relative movement of the halves and allow a lateral introduction of a tube into the recesses.
DESCRIPTION OF THE RELATED ART
The clamp device can be used in the clamping of tubes, cables or the like, singly or several next to each other.
In an advantageous embodiment of the clamp device, the base halves are provided with at least one pair of mutually facing, cooperating recesses for the receipt of the respective tube. In such an embodiment it is also advantageous that at least one of the two cooperating recesses has a constriction portion at its opening, for gripping and retention of a tube introduced into the recess. The desired number of clamp devices then can be snapped onto the tube, so that the tube with applied clamps can be transported as a unit to the place of mounting. The property that the clamp can be premounted on the tube, in many cases will have great installation advantages.
REFERENCES:
patent: 2361943 (1944-11-01), Issoglio et al.
patent: 2362124 (1944-11-01), Ellinwood
patent: 2674772 (1954-04-01), Jacobs
patent: 2761714 (1956-09-01), Cuskie
patent: 2890848 (1959-06-01), Johnson, Jr.
patent: 2937835 (1960-05-01), Csmereka
patent: 2998217 (1961-08-01), Englis et al.
patent: 3216683 (1965-11-01), Girard
patent: 3856244 (1974-12-01), Menshen
patent: 4037810 (1977-07-01), Pate
patent: 4172578 (1979-10-01), Pate
patent: 4273465 (1981-06-01), Schoen
patent: 5887832 (1999-03-01), Elvegaard
patent: WO 93/01439 (1992-07-01), None
King Anita M.
Rockey Milnamow & Katz Ltd.
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