Device for a compass
First Claim
1. A device for a compass, the device comprising:
- a support comprising a magnetic field detector being mounted via a conical pivot bearing on a tip of a shaft, wherein the magnetic field detector is capable of rotating in at least a plane which is perpendicular to the direction of the shaft, anda direction indicator device connected to the magnetic field detector,whereinthe support comprises an upper portion, a middle portion and a lower portion, andthe direction indicator device comprises an elongate plate with a direction indicator, wherein;
the middle portion of said support extends through an opening in the plate,the upper portion of said support comprises opposite first members extending over the top surface of said plate,and the lower portion of said support comprises opposite second members extending under the bottom surface of said plate, andsaid first and second members are vertically and pairwise aligned to form a first fork and a second fork supporting the plate.
1 Assignment
0 Petitions
Accused Products
Abstract
According to an example aspect of the present invention, there is provided a device for a compass, the device comprising a support comprising a magnetic field detection means being mounted via a conical pivot bearing on a tip of a shaft, wherein the detection means is capable of rotating in at least a plane which is perpendicular to the direction of the shaft, a direction indicator device connected to the magnetic field detection means, and wherein the support comprises an upper portion, a middle portion and a lower portion, the direction indicator device comprises an elongate plate with a direction indicator, wherein the middle portion of said support extends through an opening in the plate, the upper portion of said support comprises opposite first members extending over the top surface of said plate, and the lower portion of said support comprises opposite second members extending under the bottom surface of said plate, and said first and second members are vertically and pairwise aligned to form a first fork and a second fork for supporting the plate.
-
Citations
19 Claims
-
1. A device for a compass, the device comprising:
-
a support comprising a magnetic field detector being mounted via a conical pivot bearing on a tip of a shaft, wherein the magnetic field detector is capable of rotating in at least a plane which is perpendicular to the direction of the shaft, and a direction indicator device connected to the magnetic field detector, wherein the support comprises an upper portion, a middle portion and a lower portion, and the direction indicator device comprises an elongate plate with a direction indicator, wherein; the middle portion of said support extends through an opening in the plate, the upper portion of said support comprises opposite first members extending over the top surface of said plate, and the lower portion of said support comprises opposite second members extending under the bottom surface of said plate, and said first and second members are vertically and pairwise aligned to form a first fork and a second fork supporting the plate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
-
-
19. A compass comprising a device for a compass, the device comprising:
-
a support comprising a magnetic field detector being mounted via a conical pivot bearing on a tip of a shaft, wherein the magnetic field detector is capable of rotating in at least a plane which is perpendicular to the direction of the shaft, and a direction indicator device connected to the magnetic field detector, wherein the support comprises an upper portion, a middle portion and a lower portion, and the direction indicator device comprises an elongate plate with a direction indicator, wherein; the middle portion of said support extends through an opening in the plate, the upper portion of said support comprises opposite first members extending over the top surface of said plate, and the lower portion of said support comprises opposite second members extending under the bottom surface of said plate, and said first and second members are vertically and pairwise aligned to form a first fork and a second fork for supporting the plate.
-
Specification