US1576956A - Quadruped-walking mechanism - Google Patents

Quadruped-walking mechanism Download PDF

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Publication number
US1576956A
US1576956A US710907A US71090724A US1576956A US 1576956 A US1576956 A US 1576956A US 710907 A US710907 A US 710907A US 71090724 A US71090724 A US 71090724A US 1576956 A US1576956 A US 1576956A
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United States
Prior art keywords
quadruped
shaft
walking mechanism
levers
crank
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Expired - Lifetime
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US710907A
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English (en)
Inventor
Dunshee Earl
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Individual
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Individual
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Priority to US710907A priority Critical patent/US1576956A/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H11/00—Self-movable toy figures
    • A63H11/18—Figure toys which perform a realistic walking motion
    • A63H11/20—Figure toys which perform a realistic walking motion with pairs of legs, e.g. horses

Definitions

  • My invention relates to mechanism for simulating the walking and running motions of uadrupeds, und among its salient objects are: first, to produce a mechanism of this kind that is Well adapted for animated toys; second, to provide means whereby various gaits such as trotting, running,
  • I employ any suitable clockwork driving mechanism, self-contain ed between side plates 3 and 43 which are spaced by cross struts 5 to which the plates are attachcd by screws 6.
  • Such a mechanism as shown is driven by a spiral spring 7, wound up in ⁇ .the usual manner by ratchet 8 and key post 9.
  • the spring power drives the main Loperating shaft l() through suitable multiplying gearing, and the shaft carries a double throw overhung crank at each of its ex,- tremiliiesas shown in Figure 2.
  • a pair ofupright stanchions l1, spaced by struts l2, are pivoted to the side plates at 13, and may be vertically positioned atv variousangles by means of screws 14 and tapped holes 15. This positioning also effects the gait of the mechanism.
  • the walking mechanism' proper comprises four bell-crank levers 16 pivoted at ⁇ their apexes 17 to links 18, which in turn are pivoted at 19 to the top end of stanchions 1l.
  • One arm of each of these levers is operatively connected to one of the cranks 20 on the operating shaft.
  • the other serves as a walking leg of the mechanism, and the weight of the latter rests wholly upon 'the extremities of either two or three of these legs at all times.
  • the lower extremities of the legs corresponding to the feet of a quadruped, describe elongated closed curves when the operating shaft is rotated. Assuming the proportions and angular adjustments illustrated in the drawl ing, the lower extremities of the legs actually move' in the narrow elliptical paths 21.
  • Feet 24 and 25 are raised above the ground and relatively are moving forward to the left.
  • Crank shaft l0 is being turned left handedly, or counter-clock wisc in this case.
  • the paths 21 may be given various Shapes, by varying the angular relation of the cooperating parts, to produce a variety of gaits.
  • Stanchions 11 are variably positioned for this purpose by screws 14 and tapped holes 15u
  • the two cranks 2O of either pair may have their angular relation changed by twisting, or. outer arm. Tl is also results 1n changing the throwof the outer crank.
  • the two crank pairs may have their angular relation changed by givin the intermediate portion of operating shait l0 a slight t ⁇ vist. 0h viously 'many varieties of gaits may he obtained in this manner.
  • levers 26 For giving a wegging motionto the tail and head of an animal to he simulated I use light levers 26, intermediately pivoted at?? to ears 28 turned over from the top of side late 4. .
  • the inner ends of these levers are ifurcated, landengage the periphery of a wave shaped disk-29 mounted upon driving shaft ,30, or upon any other convenient rotating shaft of the mechanism.
  • the outer ends of levers 26 may he bent upwardlyas shown inl Figure 1, to attach to a pivoted head or tail.
  • VBell-crank levers 16 ordinarily should have angles of less than 90 degrees ⁇ v and their apeXes 17 should be above operating shaft 10 in most eases.
  • Quadruped walking mechanism compris? i ing;v a trarne; a link pivo'tally suspended from each eorner'of the trame; a hell-craniall lever pivotally suspended at its apex from the free end of each link; a four-throw crank shaft; and a power source adapted to rotate said shaft; one of the arms of each of said levers being separately engaged by a cranln otsaid shaft, and the othererm being adapted to act as a walking leg; the crank throws being arranged in non-diametrically opposed pairs at each side' of the mechanism and so disposed that the corresponding lever legs on the respective sides may be o'scillated op ositelvy.
US710907A 1924-05-03 1924-05-03 Quadruped-walking mechanism Expired - Lifetime US1576956A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US710907A US1576956A (en) 1924-05-03 1924-05-03 Quadruped-walking mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US710907A US1576956A (en) 1924-05-03 1924-05-03 Quadruped-walking mechanism

Publications (1)

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US1576956A true US1576956A (en) 1926-03-16

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US710907A Expired - Lifetime US1576956A (en) 1924-05-03 1924-05-03 Quadruped-walking mechanism

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US (1) US1576956A (en?oq=U.S.+Patent+No.+1,576,956,+Quadruped+Walking+Mechanism)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2736135A (en) * 1956-02-28 Walking mechanism for dolls
US6260862B1 (en) 1998-02-11 2001-07-17 Joseph C. Klann Walking device
US6478314B1 (en) * 1998-02-11 2002-11-12 Joseph C. Klann Walking device
US20080108276A1 (en) * 2005-11-03 2008-05-08 Mattel, Inc. Articulated Walking Toy Device
US20090117820A1 (en) * 2006-05-04 2009-05-07 Mattel, Inc. Articulated walking toy
US20110048815A1 (en) * 2009-08-26 2011-03-03 Hong Fu Jin Precision Industry (Shenzhen)Co., Ltd. Multi-legged walking device
WO2014144901A3 (en) * 2013-03-15 2014-12-31 White Brian M Simulated walking toy
CN110500478A (zh) * 2019-07-15 2019-11-26 湘南学院 一种采用图像画面明暗调节的监视设备

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2736135A (en) * 1956-02-28 Walking mechanism for dolls
US6260862B1 (en) 1998-02-11 2001-07-17 Joseph C. Klann Walking device
US6478314B1 (en) * 1998-02-11 2002-11-12 Joseph C. Klann Walking device
US20080108276A1 (en) * 2005-11-03 2008-05-08 Mattel, Inc. Articulated Walking Toy Device
US7938708B2 (en) 2005-11-03 2011-05-10 Mattel, Inc. Articulated walking toy device
US20090117820A1 (en) * 2006-05-04 2009-05-07 Mattel, Inc. Articulated walking toy
US7946902B2 (en) 2006-05-04 2011-05-24 Mattel, Inc. Articulated walking toy
US20110048815A1 (en) * 2009-08-26 2011-03-03 Hong Fu Jin Precision Industry (Shenzhen)Co., Ltd. Multi-legged walking device
US8157031B2 (en) * 2009-08-26 2012-04-17 Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. Multi-legged walking device
WO2014144901A3 (en) * 2013-03-15 2014-12-31 White Brian M Simulated walking toy
US20160016088A1 (en) * 2013-03-15 2016-01-21 Brian M. White Simulated Walking Toy
CN110500478A (zh) * 2019-07-15 2019-11-26 湘南学院 一种采用图像画面明暗调节的监视设备

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