Supports – Staff type – Angularly adjustable
Reexamination Certificate
1998-11-09
2001-04-10
Braun, Leslie A. (Department: 3632)
Supports
Staff type
Angularly adjustable
C248S537000, C248S538000, C248S539000, C248S467000, C248S206500
Reexamination Certificate
active
06213440
ABSTRACT:
BACKGROUND OF THE INVENTION
FIELD OF THE INVENTION
The present invention relates to a mount of the kind defined in an ensign post on the outside of a vehicle body, wherein the mount includes a base plate that carries magnetic devices for releasably anchoring the mount magnetically to the vehicle body, and wherein the base plate carries a pivotally mounted holder for holing an object.
The invention thus relates to a mount for supporting, e.g. a flag post, with or without a flag, or ensign, for instance on the outside of a front fender, or mudguard, of an automobile, wherein the mount is of the kind that includes a base plate which has magnet means for enabling the mount to be removably attached magnetically to the vehicle body when said body is made of steel or like material. The base plate also carries a flag post holder.
An ensign mount of this general kind has been developed and marketed by the company Profile 4U, Flygplatsinfarten 6A, 161 69 Bromma, Sweden.
This known mount includes a single flat, ring-shaped magnet whose one flat main surface is intended to lie plane-parallel with and in close proximity to the mounting surface on the vehicle body. The mount support surface is covered with a rubber fabric.
One drawback with this known mount is that it tends to twist on its abutment surface. The support surface of the ensign mount normally lies against a vertically orientated side surface of a vehicle fender, wherein the post stands vertically in the mount. The slipstream acting on the ensign carried by the post subjects the mount to a strong turning moment, or torque.
It is also known from practice to construct the mount from an elongated base plate with a magnet at each end thereof. Each magnet is coupled to a yoke which supports against the mounting surface and forms a protective cover for the magnet. Such arrangements are expensive and do not provide any substantial co-action between the magnets.
SUMMARY OF THE INVENTION
The object of the invention is to provide an improved magnetic ensign mount which can be given a small round base area and still provide a high torque resistance in its abutment plane.
This object is achieved in accordance with the invention with a mount according to an ensign post on the outside of a vehicle body, wherein the mount includes a base plate that carries magnetic devices for releasably anchoring the mount magnetically to the vehicle body, and wherein the base plate carries a pivotally mounted holder for holing an object, characterized in that the magnetic means includes at least two magnets disposed in a ring around the circumference of the base plate and adapted to interact with the vehicle body; and in that adjacent magnets in the circumferential direction of the ring are arranged with alternating magnetic poles facing towards the base plate.
Further developments of the inventive mount are defined in the dependent claims.
The invention is fundamentally based on a magnetic device that includes at least two, and preferably at least four magnets disposed in a ring around the circumference of the base plate, wherein the poles of the magnets that face towards the mount abutment surface are arranged in an alternating fashion in the circumferential direction of the ring. This enables adjacent magnets to interact in a manner which not only holds the mount strongly against the mount abutment surface but also gives the mount a strong resistance against rotation about the centre of the ring. The base plate may be made of steel or some other ferromagnetic material, and the magnets may be glued to the base plate or fastened thereto in some other suitable way. The base plate may be resiliently flexible so as to enable it to conform to the curved shapes of the underlying surface. The magnets may be cylindrical with a height which is only a fraction of the diameter, for instance a tenth thereof.
In one preferred embodiment of the invention, six magnets are mounted around the circumference of the base plate, the spacing between the magnets in the circumferential direction being slightly smaller than half the diameter of the magnets.
The base plate carries a mount which includes two parallel legs. Each leg has a hole and the holes are coaxial. The hole in one of the legs has a screw thread which permits a bolt to support against the outside of one leg, with the stem of the bolt extending through the one hole and with an external thread at its other end for co-action with an internal thread in the other leg opening so that the legs will be drawn towards one another when tightening the bolt. Positioned between the legs is a cylindrical hollow plate through which the bolt stem extends. This cylindrical plate carries on its periphery a radially extending holder means which receives coaxially the bottom end of an object, such as an ensign post.
The plate and the holder means are covered by a casing having a slot-like opening for receiving the ensign mount, wherein the opening is configured to enable the post to be raised from a position in which it is generally parallel with the base plate to a position in which it is generally perpendicular to the base plate. The tightening bolt enables the cylindrical plate mounted on the bolt to be releasably fixed in chosen angular positions. The casing has an opening which provides access to the head of the bolt, to this end. The bearing point of the mount, defined by the bolt stem, is spaced from the centre of the ring of magnets such that the bearing bolt lies in a region vertically beneath the centre of the ring of magnets when the object carried by the holder is vertically orientated and extends upwards from the mount, and when the base plate of the mount is vertically orientated. This design reduces the force exerted by an object in the form, e.g., of an ensign post carrying a flag exerts on the mount, in proportion to the vertical distance between the centre of the ring and the bolt access.
The invention will now be described in more detail with reference to an exemplifying embodiment and also with reference to the accompanying drawing.
REFERENCES:
patent: 2659169 (1953-11-01), Brennan
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patent: 3241516 (1966-03-01), Hopkins
patent: 3245165 (1966-04-01), Podoloff
patent: 3333802 (1967-08-01), Goodman
patent: 4144833 (1979-03-01), Newman, Sr.
patent: 4293860 (1981-10-01), Iwata
patent: 4574726 (1986-03-01), Sullivan
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patent: 4700655 (1987-10-01), Kirby
patent: 4998091 (1991-03-01), Rezmer
patent: 5388546 (1995-02-01), Lombard
patent: 5585809 (1996-12-01), Yajima et al.
patent: 5727583 (1998-03-01), Kennedy
Braun Leslie A.
Jacobson Price Holman & Stern PLLC
Wujciak A. Joseph
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