US1158991A - Spring-motor. - Google Patents

Spring-motor. Download PDF

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Publication number
US1158991A
US1158991A US78?52113A US1158991DA US1158991A US 1158991 A US1158991 A US 1158991A US 1158991D A US1158991D A US 1158991DA US 1158991 A US1158991 A US 1158991A
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US
United States
Prior art keywords
spring
shaft
wheel
main
drum
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
US78?52113A
Inventor
Amos F Dixon
Benjamin F Merritt
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Priority claimed from US1158991TA external-priority
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Publication of US1158991A publication Critical patent/US1158991A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03GSPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G1/00Spring motors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/15Intermittent grip type mechanical movement
    • Y10T74/1526Oscillation or reciprocation to intermittent unidirectional motion
    • Y10T74/1529Slide actuator

Description

A. F. DIXON @L B. F. MERRITT.
SPRING MOTOR APPLmMmw FILED Aus.25. 1913.
1 1 58,99 1 2 Pmmed Nov. 2, 1915.
i "um w\ 1@ wringing? which if Ruf: end, L
a e provided. mv@ und f i @mim mec-112m; m zlssmblef. showing an adaptation of the invention mnployed in connecion 'e tvp@ wheel of a priming telegraph he intomedmusn'l is cnmnneu mchab unit munted upon ber 1U. Th@ hmm@ membfr with peimsmrg ll by means,
11min shaft 1S ha 'ing nu @nmgfml cylinbicfl pmlml .'l.) und bem'mg 1n the fram@ Pinte M Carmes the xcslhen mem' and #be kai? We. mum dru'mg whed. min
cre@ ore which is (D Ul umn giet eg. is pmil which zu 3, 'Lug rlcnl @minion pmposa mi' IGS energization of the electromagnet 35 will attract the plunger 36 which, through the agency of slots l0 and pins ll, will rotate the operating arms .Ji-3 about the shaft 18, advance the pawl 45 to engage teeth on the ratchet 28, and thus rotate the drum 2T. rhe friction between the inner surface of the drum 2T and the free end of the spring 25 will cause the Winding of spring 25. The energy thus stored in the spring 25 may be expended in rotating the shaft 18 to cause the rotation of the driving Wheel 20. :it will be noted also that the fact' that the outer end of the spring Q5 is free, will prevent overwinding and the consequent breakage ci' the driving springs.
The power stored up in the main driving spring 25 is communicated through the shaft 18 and the driving Wheel 2O to a pinion 55 xedly carried )on a-secondary shaft 56. The shaft 56 isprovided witha clutch 57, which is secured "thereto and furnishes va seat or.
a shaft 58. At the upper end the shaft 58 supports looselya clutch 59, which is carried by a shaft extension 60. Clutches 57 and 59 are joined by a spring member 61. The shaft extension 60 carries a type Wheel from which the character desired maybe printed, and an arm 66 which may be en-.' gaged by levers 67,' arranged 1n a circle aboutthe shaft 60 and adapted to be suitably selected and/operated to stop the shaft 60 and type Wheel 65 in any desired position. The shaft is normally held stationary by a holding pawl 68 engagingthe teeth of a ratchet 69, carried by the shaft 60.
F rom the foregoing description it is apparent that the type Wheel 65 may be rotated, when the pawl 68 is Withdrawn from the ratchet 69 in any suitable manner and the levers 6? are in the depressed position, by the tension in the helical spring l which is Wound byi the rotation of the pinion 55 and driving Wheel 20, caused by the resilf ency ot the main driving spring 25. l"Witl'r out a governing feature, however, this mech# anism is -open to the objection that in case' the selected lever 67 is sluggish in operation after the pavvl GS has been withdrawn from the ratchet G9, the entire power stored in the spring 6l and the main driving spring Q5 may be expended in unnecessarily rotating the shaft 60 and type wheel ln the event of this running away, it might require sev 'eral operations of the magnet to store up suflicient power in the spring 25 to rotate the type wheel, and a number of characters might thereby be lost.
rlhe controlling mechanism comprises an escapement iniiuencing the driving Wheel and actuated by the operating member. Secured to one of the actuating arms i3 is an arm 70 loosely carried on the tubular por- Wound ene ,time "oniy enoug wheel 20 so one of the plus 77 t. .c
i meneer tion 19 et the shaft 18. The eine Til carrie@ a. link 7l pivoted thereto at 72 and adaptto be moved thereby. The link 7l connes the arm 70 With'one branch or" a donbie es; capeinent anchor 73, being pivoted u't '74. rEhe anchor i3 is piyoted cna post secured to the plate' 1-l and is provided 7e with a pallet 76 on the. ends of each o" its branches. rlhe pallets 76 are positioned to be alternately engaged by one of a plnraiity or pins H spaced in acircle about te on one tace ot the driving wheel ing the reciprocation. of the plun @ne of the pallets 76 t the anch therefore, always in the path one et pins 77, and the een engages. oneo the pallets it the anchor 73. f
The inventionl claimed is i. A spring motor comprising second e ary shaft intermittently released to perform Work; and mechanism for rotating said secondary shaft, which consists of a rotatable main shaft, La drum loosely mounted thereon,
a main driving spring frictionally uniting 9o said main shaft and drum, an electromagnet, an armature therefor, a series of mechanical connections between said armature and said drum whereby said drum is rotated to tension said main spring, afdouble armed esca'iement anchor )ivotedinde endentl of i said armature and connections, an pe- Wheel on said main shaft revoluble by said main spring and cooperating with said an chor, a linlr interconnecting said anchor and saidconnections Where-by said armature producesthe movement of said anchor, and gearing interconnecting said main and seconder nits, irhereby when'said secondary shaft is released to perform Work, the unwindngot said main spring is ccnnned Within deiuite limits. 2LI/i1cornbination a driven shaft, a driving ivheel coperating with said shaft, a spring secured at one end to said driring wheel, the other end being free, a drum inclosing said spring and bearing against free end thereof, a power member acting' upon said drum to Wind said spring, and an escapeinent cooperating with said power member and said driving Wheel to regulate the unwinding of said spring.
In witness whereof, we hereunto subscribe our naines this 22nd day of August A. D., 1913.
-Witnesses:
R. i). HINKLE, W. F. HOFFMAN.
US78?52113A Spring-motor. Expired - Lifetime US1158991A (en)

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US1158991TA

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2779200A (en) * 1952-06-13 1957-01-29 Gen Patent Corp Step-up mechanisms
US2795973A (en) * 1952-03-24 1957-06-18 Molitor Arvid Axel Indexing device
US3010055A (en) * 1956-07-30 1961-11-21 American Nat Bank And Trust Co Solenoid plunger with localized bearing
US3035139A (en) * 1960-07-18 1962-05-15 Jennings Radio Mfg Corp Drive mechanism for vacuum switches
US3955663A (en) * 1974-12-23 1976-05-11 International Business Machines Corporation Incremental advance mechanism

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2795973A (en) * 1952-03-24 1957-06-18 Molitor Arvid Axel Indexing device
US2779200A (en) * 1952-06-13 1957-01-29 Gen Patent Corp Step-up mechanisms
US3010055A (en) * 1956-07-30 1961-11-21 American Nat Bank And Trust Co Solenoid plunger with localized bearing
US3035139A (en) * 1960-07-18 1962-05-15 Jennings Radio Mfg Corp Drive mechanism for vacuum switches
US3955663A (en) * 1974-12-23 1976-05-11 International Business Machines Corporation Incremental advance mechanism

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