US1589271A - Apparatus for timing artillery projectiles provided with clockworkoperated fuses - Google Patents

Apparatus for timing artillery projectiles provided with clockworkoperated fuses Download PDF

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Publication number
US1589271A
US1589271A US39700A US3970025A US1589271A US 1589271 A US1589271 A US 1589271A US 39700 A US39700 A US 39700A US 3970025 A US3970025 A US 3970025A US 1589271 A US1589271 A US 1589271A
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United States
Prior art keywords
timing
fuses
crown
spring
handle
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Expired - Lifetime
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US39700A
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English (en)
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Varaud Andre
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Individual
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C17/00—Fuze-setting apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C17/00—Fuze-setting apparatus
    • F42C17/02—Fuze-setting keys

Definitions

  • the object of the present invention is the provision of an apparatus for timing artillery projectiles provided with clockwork operated fuses of the type in which the wind- 6 ing of the power spring of the clockwork and the adjustment of the time for the ignition vof the charge of the projectile are simultaneously effected by turning a key which is axially disposed at the point or nose of the projectile and by which the key may be turned through a predetermined angle which is determined with great exactness:
  • the apparatus made in accordance with the invention preferably comprises a frame or fixed body member, a rotary member for turning the key of the projectile or a plurality of rotary members for simultaneously turning the keys of a corresponding number of projectiles a crown wheel having internally arranged teeth for controlling the said rotary member an operating handle for driving the crown wheel in one direction only, a movable dial adjacent and mounted co-axially with the crown wheel and provided with circular graduations.
  • the graduated dial and the crown wheel are each provided with an abutment which cooperate for limiting the angular displacements of the crown wheel in opposite directions as will be here inafter more particularly described.
  • Figure 1 is a sectional plan ofan apparatus made in accordance with my inven' tion. taken on line 1-1, Fig. 3.
  • Fig. 2 is a transverse section on line Ill-11, Fig. 1.
  • Fig. 3 [is a sectional elevation on line IIIIII, Fig. 1. i
  • Fig. 4 is a view similar to Fig. 2; but taken on line IIIIII, Fig. 1.
  • Fig. 5 is a sectional elevation of the clutchmechanism showing the parts in engagement
  • Fig. 6 is a similar view showing the parts of the clutch disengaged.
  • Thebody a of the apparatus is preferably box shape and is supported on feet indicated at u.
  • a block 6? see Fig. 3, is fixed on'the frame a by screws or otherwise and is provided with two eye-shaped recesses each adapted to receive the downwardly directed point of aprojectile, the angular position of which is fixed in any suitable manner.
  • Thewinding and simultaneous setting'key A ofeach one of these projectiles is driven by means ofa tenon mounted with a certain vertical play in a transverse slit 0 provided at the upper end of a vertical shaft 0. This latter is by means of a key 0 fixed to thehub of a pinion (Z meshing with the inner teeth of a controlling crown e.
  • This crown carries a stop 8 cooperating on the one part' with a fixed abutment 1- (Fig. 2) for limiting in one direction the travel of the control crown. and on the other part, with amovable abutment t fixed by means of screws 25 under a graduated crown n having helicoidal teeth a in mesh with a tangential worm o
  • On the shaft of thishandle is fixed a graduated drum 0 cooperating with the fixed index 0 y
  • This shaft carries also a.
  • toothed disk 0 fixed behind the drum 0 in such a manner as to cooperate with a spring pawl '12 subjected to the action of a spring '1) which tends to hold it constantly engaged with one-of the teeth of the disk 0 Thereare as many teeth on the disk 0 as there are divisions of the drum 0? so that without the necessity of any groping the angular po sition of the handle 0 can be determined which corresponds to one of the setting positions of the graduated drum 0.
  • the spring pawl'c works vertically in a guide 0 fixed by the aid of screw a (Fig. 3) on the inner face of the body a of the apparatus.
  • the pitch of the screw 0 is calculated in proportion to the graduation of the crown n in such a manner that the latter describes an angle corresponding to one of these divisions for each turn of the screw.
  • Each division of the crown can be subdivided in as many fractions as there are divisions of the graduationonthe drum o
  • The'mockm of the em the (it sired 'settingrposition is effected bye tanv geliti'al worm 0 which itself is immohilize ci in :OIie' of the setting pdSit-ions: indicated by; "thedlfum o hy the spring-pawl 'v. V In the-f. cgwaemnfi thegbodiy a ojibthefl appnijzutus; an; opening constitutinga,”window is pmxriudedi;-
  • K'bH-l-Tbeari rmeshe's withe'pfni-oiiwiiitegml withe heiii is:
  • An apparatus for timing artillery proprovided with clockwork operated fuses of the type described comprising a frame, a rotary member for turningthe key of a projectile, a crown wheel having internal teeth for controlling said rotary member, a movable dial placed coaxially with the crown wheel and provided with circular graduations, means-for driving said dial inde endently of the said crown wheel and for ho ding the same stationary in any one ofas many angular positions as the fuse may receivedifferent setting positions, and three abutments provided respectively on the frame, the movable dial and the crown wheel to limit the angular disdirections.
  • An apparatus for timing artillery projectiles provided with clockwork operated fuses of the type described and according to 1 claim 1 comprising a handle for driving the crown wheel, means for disconnecting said handle after each timing operation, and a spring for automatically returning the crown wheel after each timing operation,
  • the said means being operative automatically by the removal of a projectile which has been timed.
  • An apparatus for timing artillery projectiles provided with clockwork operated fuses of the type described and according to claim 1 comprising a graduated dial, a gear having helical teeth associated with the graduated dial, a tangential worm in constant mesh with said gear, an operating her, and a spring pawl cooperating with handle for manually driving said worm, an arbor for said handle, a toothed member carried by the said arbor, a graduated member also carried by the said arbor, a fixed index cooperating with said graduated 111811111- for actuating the said push member said toothed member to exactly determine each angular position of the said tangential worm corresponding to a graduation of the said graduated member to hold the said dial stationary in any adjusting position of the apparatus each one of which corresponds to ed to drive the shaft in one direction only,
  • a pinion in constant mesh with the crown wheel but normally running idle on said shaft, a coupling plate, a disengaging spring for normally holding the said coupling plate in any inoperative position, and means operative on placing a projectile to be timed in position in the apparatus for shifting the said coupling plate into engagement with the said pinion.
  • An apparatus for timing artillery projectiles provided with clockwork operated fuses of the type described and according to claim 1 comprising a cam connecting with a rotary member, an oscillating lever actuated by said cam and a push member actuated in one direction by said lever for coupling the handle to the timing mechanism when placing a projectile to be timed in position in the apparatus, and a spring in the opposite direction for disconnecting said handle and returning the said cam to its initial position in removing the projectile from the apparatus.
  • An apparatus for timing artillery projectiles provided with clockwork operated fuses of the type described and according to claim 1 comprising a tenon mounted with a predetermined extent of vertical play on the said rotary member for turning the key of a projectile, and a damping spring which acts upon said tenon for tending to prevent its deterioration by the placing of a projectile to be timed in position in the apparatus.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Mechanical Control Devices (AREA)
  • Transmission Devices (AREA)
US39700A 1924-06-28 1925-06-26 Apparatus for timing artillery projectiles provided with clockworkoperated fuses Expired - Lifetime US1589271A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH111384T 1924-06-28
CH114218T 1925-05-13

Publications (1)

Publication Number Publication Date
US1589271A true US1589271A (en) 1926-06-15

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ID=31947296

Family Applications (1)

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US39700A Expired - Lifetime US1589271A (en) 1924-06-28 1925-06-26 Apparatus for timing artillery projectiles provided with clockworkoperated fuses

Country Status (5)

Country Link
US (1) US1589271A (enrdf_load_stackoverflow)
CH (2) CH111384A (enrdf_load_stackoverflow)
DE (1) DE456076C (enrdf_load_stackoverflow)
FR (1) FR599458A (enrdf_load_stackoverflow)
GB (2) GB236234A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4111002A1 (de) * 1991-04-05 1992-10-08 Wegmann & Co Vorrichtung zum tempieren von zuendern an grosskalibrigen geschossen

Also Published As

Publication number Publication date
DE456076C (de) 1928-02-16
GB248992A (en) 1926-03-08
CH111384A (fr) 1925-08-01
FR599458A (enrdf_load_stackoverflow) 1926-01-13
CH114218A (fr) 1926-07-01
GB236234A (en) 1925-10-15

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