GB191002217A - Improvements in and relating to Sighting Apparatus for Ordnance. - Google Patents

Improvements in and relating to Sighting Apparatus for Ordnance.

Info

Publication number
GB191002217A
GB191002217A GB191002217DA GB191002217A GB 191002217 A GB191002217 A GB 191002217A GB 191002217D A GB191002217D A GB 191002217DA GB 191002217 A GB191002217 A GB 191002217A
Authority
GB
United Kingdom
Prior art keywords
sight
cam
range
gun
screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Arthur Trevor Dawson
George Thomas Buckham
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB191002217A publication Critical patent/GB191002217A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G3/00—Aiming or laying means
    • F41G3/06—Aiming or laying means with rangefinder

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)

Abstract

2217. Dawson, Sir A. T., and Buckham, G. T. Jan. 28. Sights.-Relates to sights, for targets situated above or below the gun platform, of the kind described in Specification 20,243/09, and consists in arranging for the cam described in the above-mentioned Specification to be held stationary when the sight is set for range, so that no correcting-movement is communicated to the range pointer during this operation. Fig. 1 shows an elevation of the sight seen from the side of the gun, and Fig. 2 shows a section on the line 1-1 of Fig. 1. The cam D is mounted on a quick-pitched screw C surrounding the trunnion extension a and connected with the gun-carriage by an arm c. Fixed to the trunnion extension a is a worm-sector H<1> relatively to which the sight bracket H<Î> may be rotated to set the sight G for range by operating the worm h' from a hand-wheel H. During the operation, the cam D, connected with the sector H' by a key d', remains stationary, and the roller f<1> which conveys the correcting-motion to the range-pointer F<Î> bears on a portion d of the cam concentric with the trunnion axis. When the gun is elevated, the sight is brought on to the target, the cam D is moved transversely on the screw C, and a correcting-motion is conveyed to the pointer F<Î> through the roller f and links f<1>, f<3>. During this operation, the sight is deflected by the engagement of a pin g<Î> on the stationary groove E. To compensate for variations in range and drift due to change in air density, the casing carrying the screw C and groove E may be adjusted relatively to the gun mounting by means of a micrometer screw.
GB191002217D 1910-01-28 1910-01-28 Improvements in and relating to Sighting Apparatus for Ordnance. Expired GB191002217A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191002217T 1910-01-28

Publications (1)

Publication Number Publication Date
GB191002217A true GB191002217A (en) 1910-10-27

Family

ID=32560117

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191002217D Expired GB191002217A (en) 1910-01-28 1910-01-28 Improvements in and relating to Sighting Apparatus for Ordnance.

Country Status (1)

Country Link
GB (1) GB191002217A (en)

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