US1171099A - Trunnion-blocks of gun-mountings. - Google Patents

Trunnion-blocks of gun-mountings. Download PDF

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Publication number
US1171099A
US1171099A US71558312A US1912715583A US1171099A US 1171099 A US1171099 A US 1171099A US 71558312 A US71558312 A US 71558312A US 1912715583 A US1912715583 A US 1912715583A US 1171099 A US1171099 A US 1171099A
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United States
Prior art keywords
trunnion
blocks
gun
trunnions
block
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 - Lifetime
Application number
US71558312A
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English (en)
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.)
Vickers Ltd
Original Assignee
Vickers Ltd
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 Vickers Ltd filed Critical Vickers Ltd
Priority to US71558312A priority Critical patent/US1171099A/en
Application granted granted Critical
Publication of US1171099A publication Critical patent/US1171099A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A27/00—Gun mountings permitting traversing or elevating movement, e.g. gun carriages
    • F41A27/06—Mechanical systems
    • F41A27/08—Bearings, e.g. trunnions; Brakes or blocking arrangements

Definitions

  • This invention relates to trunnion blocks for use with gun mountings (particularly pedestal mountings) in which the gun and its cradle are adapted to be drawn in a rearward direction when it is desired to bring the trunnion blocks out of their recesses in the side cheeks of the carriage for the purpose of housing the gun.l y
  • each of Vthe trunnion blocks with a locking member which is situated in front of the trunnions instead of to the rear as heretofore, and which is adapted to be actuated, either directly or through gearing, by a handle that moves the locking member into or out of engagement with a part of the carriage.
  • the recess in the side cheek of the carriage with which the front portion of the trunnion block engages is so formed that the said block is surrounded by the metal of the carriage cheek, and the locking member .is carriedin a transverse gap in the trunnion block in such a manner that it can en1 gage with the carriage ⁇ cheek in two places.
  • the said handle may, as has heretofore been proposed, be so constructed that vit cannot be removed unless the locking member is in the locking position and is so arranged that when the locking member is in the unlocked position the sight is prevented from being placed in its holder; ⁇ thus the gun cannot be sighted and fired before the Vtrunnion blocks are locked'to the side cheeks of the carriage.
  • Each of the trunnion blocks maybe fur-1 f nishedA with a bush in which the trunnion iseccentrically mounted, sol that byaltering the position of each of the bushes in the trunnion blocks the trunnions can be adjusted as regards the distance of their axes from the axis of the center pivot about which the gun moves in training, for the purpose of balancing the total load about the pivotas would be required in such circumstances for'example as the removal or addition of a shield.
  • Figure 1 is a longitudinal vertical section showing a trunnion block, furnished with our improvements, in position in the recess provided for it in the cheeks of the carriage.
  • Fig. 2 is a transverse section taken approximately on the line 1, 1 of Fig. 1.
  • Fig. 3 is a transversesection taken approximately on Y Vthe line 2, 2 of Fig. 1, the locking member for the trunnion blockl being shown in the locked position.
  • Fig. 4 is a view similar to Fig. 3 showing the locking member in the unlocked position
  • ⁇ Fig. 5 is a horizontal section taken approximately on the lineB, 3 of Fig. 1.
  • Fig. 6 is a side elevation, and Fig. 7 a plan showing the manner in which the sight is prevented from being placed in its holder when the actuating handle of the locking member is in place, and the locking member is in the unlocked condition.
  • A is one of the side cheeks of the gun carriage, B the cradle and C one of the trunnions.
  • D represents one of thetrunnion blocks and D thezbush in which the trunnion is eccentrically mounted.
  • E represents the locking member and E its actuating handle.
  • the locking member E is in thev example shown in the form of a disk with two fiattened parallel portions on either side of its center, the width of the member at this point being slightly less than the width of the trunnion block D and consequently ythan thatof the trunnion block recess into which the front end of the trunnion block fits.
  • the locking member En is disposed within ⁇ a transverse gap e in the said frontend of the trunnion block and is rigidly mounted on a spindle e', carried longitudinally in the said block.v
  • the walls of the carriage cheek are formed with vertical slots a, a. which,lwhen Y the trunnion block is in its foremost position, lie opposite the locking member E, so
  • the socket 6X is preferably provided with a lug or projection e3 which is adapted to engage during the placing of the handle in posibracket DX and during the locking movement of the handle, in a circumferential groove d* in the inner surface of the said bracket.
  • the herein described forml ofr trunnion block enables the trunnionsy to be carried right through the 'side cheeks. of ythe carriageand an vextension CX to be formed on the 'same for supporting the sight.
  • the aforesaid bush D in which the trunnion is eccentrically mounted is, inthe example shown in Fig. l, of elliptical shape and has between it and the bearing d a number Vof.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Telescopes (AREA)
  • Automatic Assembly (AREA)
US71558312A 1911-08-22 1912-08-17 Trunnion-blocks of gun-mountings. Expired - Lifetime US1171099A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US71558312A US1171099A (en) 1911-08-22 1912-08-17 Trunnion-blocks of gun-mountings.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB191118887T 1911-08-22
US71558312A US1171099A (en) 1911-08-22 1912-08-17 Trunnion-blocks of gun-mountings.

Publications (1)

Publication Number Publication Date
US1171099A true US1171099A (en) 1916-02-08

Family

ID=32366208

Family Applications (1)

Application Number Title Priority Date Filing Date
US71558312A Expired - Lifetime US1171099A (en) 1911-08-22 1912-08-17 Trunnion-blocks of gun-mountings.

Country Status (4)

Country Link
US (1) US1171099A (enrdf_load_stackoverflow)
DE (1) DE267434C (enrdf_load_stackoverflow)
FR (1) FR447252A (enrdf_load_stackoverflow)
GB (1) GB191118887A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2552009A1 (de) * 1975-11-20 1982-07-15 Wegmann & Co, 3500 Kassel Schildzapfenlagerung in gepanzerten gehaeusen
DE3836718C2 (de) * 1988-10-28 1998-11-26 Rheinmetall Ind Ag Schildzapfenlagerung für einen Wiegenträger einer Rohrwaffe

Also Published As

Publication number Publication date
FR447252A (fr) 1912-12-28
GB191118887A (en) 1912-08-22
DE267434C (enrdf_load_stackoverflow)

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