F - Mech Eng,Light,Heat,Weapons – 41 – G
Patent
F - Mech Eng,Light,Heat,Weapons
41
G
33/121, 33/53
F41G 3/00 (2006.01) F41G 3/32 (2006.01)
Patent
CA 1251633
Title: Method and apparatus for adjusting the alignment of a sighting device and a pivotable member. ABSTRACT: A method of adjusting the alignment of a sighting device (5) and a member (4) coupled therewith, said member being pivotable in at least one plane about a first pivot axis (3), and at least part (7) of said sighting device (5) being pivotable about a second pivot axis (6). On the pivot- able member an apparatus is mounted which provides a parallel beam of radiation shining directly or indirectly on to the pivotable part (7) of the sighting device (5), and being productive of a point image at the viewing end of the sighting device. The pivotable member is moved into a plurality of different angular positions relative to the first pivot axis (3), and, if during these movements the point image is moved beyond a pre-determined tolerance range, the coupling (8) between the pivotable member and the sighting device is adjusted. The apparatus comprises a frame which is provided with means (40,41,50,51) for fasten- ing the apparatus to the pivotable member, and carrying a source of radiation which, either directly or via an opti - cal apparatus, such as a collimator (30,80) shines a parallel beam of radiation on to the sighting device.
489639
Elshoud Nicolaas P.
Versteeg Frits J.
Fetherstonhaugh & Co.
N. V. Optische Industrie "de Oude Delft"
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