US3041983A - Toy monorail trolley systems - Google Patents

Toy monorail trolley systems Download PDF

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Publication number
US3041983A
US3041983A US116624A US11662461A US3041983A US 3041983 A US3041983 A US 3041983A US 116624 A US116624 A US 116624A US 11662461 A US11662461 A US 11662461A US 3041983 A US3041983 A US 3041983A
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shaft
trolley
motor
rail
driving
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US116624A
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Thomas K Liversidge
Lingenfelder Hans
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H21/00—Other toy railways
    • A63H21/02—Other toy railways with cable- or rail-suspended vehicles

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  • This invention relates to toy monorail trolley systems and more particularly to improved suspension and driving devices for vehicles used with such systems.
  • the principal object of the present invention is to provide a simple but effective trolley suspended toy vehicle for movement along a mono-rail.
  • FIGURE 1 is a view in perspective of a monorail toy trolley system in accordance with the invention
  • FIG. 2 is a side elevational view of a suspension and driving mechanism in accordance with the invention, shown as mounted on a monorail;
  • FIG. 3 is a top plan view of the mechanism shown in FIG. 2;
  • FIG. 4 is a vertical sectional view taken approximately on the line 44 of FIG. 2 and showing the suspension and driving mechanism in end elevation;
  • FIG. 5 is a horizontal sectional view taken approximately on the line 5--5 of FIG. 2;
  • FIG. 6 is a. horizontal sectional view taken approximately on the line 6-6 of FIG. 4.
  • a supporting and conductor rail of monorail type, is illustrated at 10, and includes a pair of conductive metallic strips 11 and 12 separated by an insulating strip 13 to which the conductive strips 11 and 12 are secured.
  • the monorail preferably is relatively easily bendable as required and desired to provide a trackway of suitable shape and is supported in any desired manner such as by a plurality of bracket arms 14.
  • a vehicle 15 which includes a vehicle body having an upper body portion 17 within which suspension mechanism 18 is provided and a lower body portion 19 in simulation of the passenger or freight compartment of a monorail supported vehicle.
  • the suspension mechanism 18 as shown in more detail in FIGS. 2 to 6, inclusive, preferably includes a trolley body 20 of electrically nonconductive material, such as molded synthetic plastic.
  • the body 20 has an end thereof with horizontally spaced bifurcations 21 for the reception therebetween of a trolley wheel 22 of any preferred type rotatable on a suitable shaft 23 which extends transversely in the bifurcations 21.
  • the wheel 22 is preferably made of electrically nonconductive material, such as synthetic plastic, and preferably has a central section 24 of cylindrical shape and side flanges 25.
  • the trolley body 20 at the opposite end thereof, has vertically spaced bifurcations 26 for the reception of a pivotally mounted trolley wheel bracket 27 of electrically nonconductive material.
  • the bracket 27 is pivotally connected by a pivot pin 28 to the trolley body 20.
  • the bracket 27 has horizontally spaced bifurcations 29 for the reception of a trolley wheel 30 of any preferred type rotatable on a shaft 31.
  • the wheel is preferably made of similar material to that of the wheel 22, and preferably has a central cylindrical section 32 and frusto conical side sections 33.
  • the trolley body 20 has pivotally mounted therein a vertical shaft 35 with an electrical contact and driving roller 36 secured thereto for contact with one of the metallic contact strips 11 or 12.
  • the upper end of the shaft 35 extends above the trolley body 20 and has a gear 37 secured thereto for rotation therewith.
  • the gear 37 can be of any preferred material but is preferably of synthetic plastic resistant to wear, such as nylon, and which is also electrically nonconductive.
  • the trolley body 20 has pivotally mounted thereon on a vertically extending pivot pin 38, a shaft carrying sup port 39 having a manually operable arm 40 extending therefrom.
  • a spring 41 mounted at one end on a carrying pin 42 on the arm 40 and received at the other end in a socket 43 in the trolley body 20 is provided for normally urging the arm 40. and the support 39 in predetermined directions.
  • the support 39 preferably has a vertical shaft 44 rotatably carried therein.
  • the shaft 44 at the upper end thereof and above the body 20 has a gear 45 for engagement with the gear 37.
  • the gear 45 is preferably made of the same material as the gear 37.
  • the shaft 44 on the lower end thereof, and below the body 20, is provided with an electrical contact and driving roller 46 for engagement with the opposite contact strip 12 or 11 from that engaged by the roller 36.
  • the shaft 44 and support 39 can be of electrically conductive material.
  • the trolley body 20 has a bracket arm 48 connected thereto and extending downwardly therefrom for supporting the motor frame 49 and stator 50 of an electric motor M.
  • the motor stator 50 is of any preferred type and has mounted for rotation therein a wound rotor 51 carried on a motor shaft 52 supported in the motor frame 49.
  • the motor shaft 52 has a pinion 53 thereon which meshes with a gear 54 carried on the shaft 35.
  • the shaft 35 is supported by a bearing 55 carried in the frame 49.
  • Brushes 56 may be provided for engagement with a commutator 57 on the motor shaft 52.
  • the shaft 35 can serve as a conductor to the motor frame 49 to which it is connected.
  • a conductor 58 can be provided for connecting the support 39 to the brushes 56; thereby completing the necessary energizing connections for the motor M.
  • rollers 36 and 45 With the rollers 36 and 45 in engagement with the contact strips 11 and 12 and with the trolley body 20 supported by the trolley wheels 22 and 30, when the contact strips 11 and 12 are energized, current will be supplied to the motor M for energizing the same and driving the motor shaft 52.
  • the motor shaft 52 in turn drives the shaft 35.
  • the shaft 35 is connected by the gear 37 carried thereon through the gear 45 to drive the shaft 44.
  • Both the rollers 36 and 45 driven by the shafts 35 and 44 are in driving engagement with the rail 10. This driving engagement is maintained, horizontally considered, by the force exerted by the spring 41. on the arm 40.
  • the trolley body 20 is supported by the trolley wheels 22 and 30 and the trolley Wheel bracket 27 permits accommodation to various shapes and curves of the trackway provided by the rail 10. It does not appear to be material, in operation, whether the trolley wheel 22 or the trolley wheel 30 leads.
  • a monorail vehicular device for use with a rail having opposite spaced and insulated conductive face portions comprising a trolley body having spaced grooved supporting wheels for engagement with the upper edge of the rail, a motor, members at opposite ends of said trolley body on horizontal pivotal axes for supporting said rollers in driving relation, and an energizing circuit for said motor including said rollers.
  • a monorail vehicular device for use with a rail having opposite spaced and insulated conductive face portions comprising a trolley body having a grooved trolley body supporting wheel at one end thereof for engagement with the upper edge of the rail, a wheel support pivotally mounted on said body at the other end thereof, a grooved trolley body supporting wheel carried by Said support, a motor, members for supporting said motor from said trolley body, spaced driving rollers for engagement with the opposite face portions of the rail, and members connecting said motor and said rollers in driving relation.
  • a monorail vehicular device for use with a rail having opposite spaced and insulated conductive face portions comprising a trolley body having a pair of spaced grooved supporting wheels for engagement with the upper edge of the rail at opposite ends of said body and mounted on horizontal pivot axes, a motor, members for supporting said motor from said trolley body, spaced driving rollers on vertical pivot axes and disposed intermediate said supporting Wheels for engagement with the opposite face portions of the rail, and members connecting said motor and said rollers in driving relation.
  • a monorail vehicular device as defined in claim 3 in which said driving rollers are connected and driven in unison and one of said rollers is resiliently urged towards the other.
  • a monorail vehicular device comprising a trolley body having a supporting wheel for rail engagement carried thereby at one end thereof on a horizontal pivotal axis, a Wheel bracket pivotally mounted on said trolley body at the other end thereof and having a supporting Wheel for rail engagement carried thereby on a horizontal pivotal axis, a vertical driving shaft carried by said body, a rail engaging roller on said shaft, a shaft support pivotally mounted on said trolley body, a roller shaft car ried by said support, members connecting said vertical shaft and said roller shaft for driving said roller shaft, a second rail engaging roller on said roller shaft, a resilient member for urging said support to position said second engaging roller for rail engagement, at driving motor, a bracket 'arrn carried by said trolley body on which said motor is mounted, and driving connections from said motor to said vertical shaft.
  • a monorail vehicular device comprising a trolley body having supporting Wheels for rail engagement carried thereby at opposite ends thereof on horizontal pivotal axes, a vertical driving shaft carried on said body, a rail engaging roller on said shaft, a shaft support pivotally mounted on said trolley body, a roller shaft carried by said support, members above said body connecting said vertical shaft and said roller shaft for driving said roller shaft, a second rail engaging roller On said roller shaft,
  • connections for energizing said motor including a conductor extending from said shaft support to said motor.
  • a monorail vehicular device comprising a trolley body having supporting wheels for rail engagement carried thereby at opposite ends thereof on horizontal pivotal axes, a vertical driving shaft carried by said body, a rail engaging and contact roller on said shaft, a shaft support pivotally mounted on said trolley body, a roller shaft carried by said support, members connecting said shafts for driving said roller shaft, a second rail engaging roller on said roller shaft, a resilient member for urging said support to position said second rail engaging roller for rail engagement, a lever for manual retraction of said support, a driving motor, a supporting device carried by said trolley body on which said motor is mounted, and driving connections from said motor to said vertical shaft.

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Description

July 3, 1962 T. K. LTVERSIDGE ETAL 3,
TOY MONORAIL TROLLEY SYSTEMS 2 Sheets-Sheet 1 Filed June 12, 1961 INVENTOR5 THOMAS K. LlVERSIDGE ET ATTORNEY.
July 3, 1962 T. K. LlVERSlDGE ET AL 3,041,983
TOY MONORAIL TROLLEY SYSTEMS 2 SheetsSheet 2 Filed June 12', 1961 2 FIG. 44
Emu
INVENTOR. 1 THOMAS K. LIVERSIDGE' 48 QT M;
ATTORNEY.
3,041,983 TOY MONORAIL TROLLEY SYSTEMS Thomas K. Liversidge, Wayne, and Hans Lingenfelder, Wawa, Pa. (both Harmonic Reed Corp, 1111 Lancaster Ave., Rosemont, Pa.)
Filed June 12, 1961, Ser. No. 116,624 7 Claims. (Cl. 104-93) This invention relates to toy monorail trolley systems and more particularly to improved suspension and driving devices for vehicles used with such systems.
The principal object of the present invention is to provide a simple but effective trolley suspended toy vehicle for movement along a mono-rail.
It is a further object of the present invention to provide a driving mechanism for a trolley suspended toy vehicle which resists accidental or undesired removal from the monorail while in operation but is easily removed when the vehicle is not in operation and if desired.
It is a further object of the present invention to provide an improved suspension and driving mechanism for a toy vehicle that prevents 'de sway of the vehicle.
Other objects and advantageous features of the invention will be apparent from the description and claims.
The nature and characteristic features of the present invention will be more readily understood from the following description, taken in connection with the accompanying drawings forming part thereof, in which:
FIGURE 1 is a view in perspective of a monorail toy trolley system in accordance with the invention;
FIG. 2 is a side elevational view of a suspension and driving mechanism in accordance with the invention, shown as mounted on a monorail;
FIG. 3 is a top plan view of the mechanism shown in FIG. 2;
FIG. 4 is a vertical sectional view taken approximately on the line 44 of FIG. 2 and showing the suspension and driving mechanism in end elevation;
FIG. 5 is a horizontal sectional view taken approximately on the line 5--5 of FIG. 2; and
FIG. 6 is a. horizontal sectional view taken approximately on the line 6-6 of FIG. 4.
It should, of course, be understood that the description and drawings herein are illustrative merely, and that various modifications and changes may be made in the structure disclosed without departing from the spirit of the invention.
Like numerals refer to like parts throughout the several views. Referring now more particularly to the drawings, a supporting and conductor rail, of monorail type, is illustrated at 10, and includes a pair of conductive metallic strips 11 and 12 separated by an insulating strip 13 to which the conductive strips 11 and 12 are secured. The monorail preferably is relatively easily bendable as required and desired to provide a trackway of suitable shape and is supported in any desired manner such as by a plurality of bracket arms 14.
Referring now more particularly to FIG. 1, a vehicle 15 is there shown which includes a vehicle body having an upper body portion 17 within which suspension mechanism 18 is provided and a lower body portion 19 in simulation of the passenger or freight compartment of a monorail supported vehicle.
The suspension mechanism 18 as shown in more detail in FIGS. 2 to 6, inclusive, preferably includes a trolley body 20 of electrically nonconductive material, such as molded synthetic plastic. The body 20 has an end thereof with horizontally spaced bifurcations 21 for the reception therebetween of a trolley wheel 22 of any preferred type rotatable on a suitable shaft 23 which extends transversely in the bifurcations 21.
3,041,983 Patented July 3, 1962 ice The wheel 22 is preferably made of electrically nonconductive material, such as synthetic plastic, and preferably has a central section 24 of cylindrical shape and side flanges 25.
The trolley body 20, at the opposite end thereof, has vertically spaced bifurcations 26 for the reception of a pivotally mounted trolley wheel bracket 27 of electrically nonconductive material. The bracket 27 is pivotally connected by a pivot pin 28 to the trolley body 20. The bracket 27 has horizontally spaced bifurcations 29 for the reception of a trolley wheel 30 of any preferred type rotatable on a shaft 31. The wheel is preferably made of similar material to that of the wheel 22, and preferably has a central cylindrical section 32 and frusto conical side sections 33.
The trolley body 20 has pivotally mounted therein a vertical shaft 35 with an electrical contact and driving roller 36 secured thereto for contact with one of the metallic contact strips 11 or 12. The upper end of the shaft 35 extends above the trolley body 20 and has a gear 37 secured thereto for rotation therewith. The gear 37 can be of any preferred material but is preferably of synthetic plastic resistant to wear, such as nylon, and which is also electrically nonconductive.
The trolley body 20 has pivotally mounted thereon on a vertically extending pivot pin 38, a shaft carrying sup port 39 having a manually operable arm 40 extending therefrom. A spring 41 mounted at one end on a carrying pin 42 on the arm 40 and received at the other end in a socket 43 in the trolley body 20 is provided for normally urging the arm 40. and the support 39 in predetermined directions. The support 39 preferably has a vertical shaft 44 rotatably carried therein. The shaft 44 at the upper end thereof and above the body 20 has a gear 45 for engagement with the gear 37. The gear 45 is preferably made of the same material as the gear 37.
The shaft 44 on the lower end thereof, and below the body 20, is provided with an electrical contact and driving roller 46 for engagement with the opposite contact strip 12 or 11 from that engaged by the roller 36. The shaft 44 and support 39 can be of electrically conductive material.
The trolley body 20 has a bracket arm 48 connected thereto and extending downwardly therefrom for supporting the motor frame 49 and stator 50 of an electric motor M. The motor stator 50 is of any preferred type and has mounted for rotation therein a wound rotor 51 carried on a motor shaft 52 supported in the motor frame 49. The motor shaft 52 has a pinion 53 thereon which meshes with a gear 54 carried on the shaft 35. The shaft 35 is supported by a bearing 55 carried in the frame 49. Brushes 56 may be provided for engagement with a commutator 57 on the motor shaft 52.
The shaft 35 can serve as a conductor to the motor frame 49 to which it is connected. A conductor 58 can be provided for connecting the support 39 to the brushes 56; thereby completing the necessary energizing connections for the motor M.
The mode of operation wll now be pointed out.
With the rollers 36 and 45 in engagement with the contact strips 11 and 12 and with the trolley body 20 supported by the trolley wheels 22 and 30, when the contact strips 11 and 12 are energized, current will be supplied to the motor M for energizing the same and driving the motor shaft 52. The motor shaft 52 in turn drives the shaft 35. The shaft 35 is connected by the gear 37 carried thereon through the gear 45 to drive the shaft 44. Both the rollers 36 and 45 driven by the shafts 35 and 44 are in driving engagement with the rail 10. This driving engagement is maintained, horizontally considered, by the force exerted by the spring 41. on the arm 40.
The trolley body 20 is supported by the trolley wheels 22 and 30 and the trolley Wheel bracket 27 permits accommodation to various shapes and curves of the trackway provided by the rail 10. It does not appear to be material, in operation, whether the trolley wheel 22 or the trolley wheel 30 leads.
The trolley body 20 may be readily separated from the rail if desired by applying manual pressure on the arm 40 to move the support 39 so that the roller 45 is out of engagement with the rail 10. The vehicle can then 1. A monorail vehicular device for use with a rail having opposite spaced and insulated conductive face portions comprising a trolley body having spaced grooved supporting wheels for engagement with the upper edge of the rail, a motor, members at opposite ends of said trolley body on horizontal pivotal axes for supporting said rollers in driving relation, and an energizing circuit for said motor including said rollers. v
2. A monorail vehicular device for use with a rail having opposite spaced and insulated conductive face portions comprising a trolley body having a grooved trolley body supporting wheel at one end thereof for engagement with the upper edge of the rail, a wheel support pivotally mounted on said body at the other end thereof, a grooved trolley body supporting wheel carried by Said support, a motor, members for supporting said motor from said trolley body, spaced driving rollers for engagement with the opposite face portions of the rail, and members connecting said motor and said rollers in driving relation.
3. A monorail vehicular device for use with a rail having opposite spaced and insulated conductive face portions comprising a trolley body having a pair of spaced grooved supporting wheels for engagement with the upper edge of the rail at opposite ends of said body and mounted on horizontal pivot axes, a motor, members for supporting said motor from said trolley body, spaced driving rollers on vertical pivot axes and disposed intermediate said supporting Wheels for engagement with the opposite face portions of the rail, and members connecting said motor and said rollers in driving relation.
4. A monorail vehicular device as defined in claim 3 in which said driving rollers are connected and driven in unison and one of said rollers is resiliently urged towards the other.
5. A monorail vehicular device comprising a trolley body having a supporting wheel for rail engagement carried thereby at one end thereof on a horizontal pivotal axis, a Wheel bracket pivotally mounted on said trolley body at the other end thereof and having a supporting Wheel for rail engagement carried thereby on a horizontal pivotal axis, a vertical driving shaft carried by said body, a rail engaging roller on said shaft, a shaft support pivotally mounted on said trolley body, a roller shaft car ried by said support, members connecting said vertical shaft and said roller shaft for driving said roller shaft, a second rail engaging roller on said roller shaft, a resilient member for urging said support to position said second engaging roller for rail engagement, at driving motor, a bracket 'arrn carried by said trolley body on which said motor is mounted, and driving connections from said motor to said vertical shaft.
6. A monorail vehicular device comprising a trolley body having supporting Wheels for rail engagement carried thereby at opposite ends thereof on horizontal pivotal axes, a vertical driving shaft carried on said body, a rail engaging roller on said shaft, a shaft support pivotally mounted on said trolley body, a roller shaft carried by said support, members above said body connecting said vertical shaft and said roller shaft for driving said roller shaft, a second rail engaging roller On said roller shaft,
connections for energizing said motor including a conductor extending from said shaft support to said motor.
7. A monorail vehicular device comprising a trolley body having supporting wheels for rail engagement carried thereby at opposite ends thereof on horizontal pivotal axes, a vertical driving shaft carried by said body, a rail engaging and contact roller on said shaft, a shaft support pivotally mounted on said trolley body, a roller shaft carried by said support, members connecting said shafts for driving said roller shaft, a second rail engaging roller on said roller shaft, a resilient member for urging said support to position said second rail engaging roller for rail engagement, a lever for manual retraction of said support, a driving motor, a supporting device carried by said trolley body on which said motor is mounted, and driving connections from said motor to said vertical shaft.
References Cited in the file of this patent UNITED STATES PATENTS Marquard Apr. 12, 1960
US116624A 1961-06-12 1961-06-12 Toy monorail trolley systems Expired - Lifetime US3041983A (en)

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111910A (en) * 1962-03-12 1963-11-26 Pao John Toy monorail train system
US3116699A (en) * 1962-07-02 1964-01-07 Harmonic Reed Corp Toy monorail trolley systems
US3263364A (en) * 1963-10-03 1966-08-02 David J Mckay Electrically operated toy auto and guide rail
US3295249A (en) * 1962-05-31 1967-01-03 Robert G Johnson Line suspended vehicle
US3456597A (en) * 1967-03-28 1969-07-22 Becorit Res Ltd Suspended track gripping locomotive
US4217727A (en) * 1978-07-31 1980-08-19 Rosabelle Fetty Miniature monorail system
US4285159A (en) * 1980-02-25 1981-08-25 Mattel, Inc. Direction reversing crib toy
US4570543A (en) * 1982-06-30 1986-02-18 Tsubakimoto Chain Co. Conveying equipment
US4926753A (en) * 1986-04-29 1990-05-22 Programmation, Inc. Flexible material transport system
US5507679A (en) * 1994-08-24 1996-04-16 Getsay; James G. Toy vehicle system and associated vehicle
USD430907S (en) * 1999-07-13 2000-09-12 Tomy Company, Ltd. Toy train
US6520830B1 (en) 2001-10-03 2003-02-18 Mark E. Vollmar Ceiling mounted model toy railing system and method therefor
US20100212233A1 (en) * 2009-02-26 2010-08-26 Siemens Industry, Inc. Quick Roll Mounting Bracket for Modular Panels
US20110065353A1 (en) * 2009-09-11 2011-03-17 Stephen Paul Chininis Infant play gym
US20130273806A1 (en) * 2012-04-12 2013-10-17 Mattel, Inc. Toy Vehicle Monorail Track Set
US10384777B1 (en) * 2015-02-27 2019-08-20 Amazon Technologies, Inc. Tethering system for unmanned aerial vehicles
USD966426S1 (en) * 2021-08-09 2022-10-11 Guangdong Hengguan Technology Industrial Co., Ltd Orbital plane toy

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US258302A (en) * 1882-05-23 Elevated railway
US2038732A (en) * 1932-03-10 1936-04-28 Guthrie James Monorail system
US2132187A (en) * 1934-04-20 1938-10-04 Jr Rufus R Rand Aerial traveling device
US2229015A (en) * 1939-02-06 1941-01-14 King Ltd Geo W Rail tractor or like haulage unit
US2913997A (en) * 1958-07-30 1959-11-24 Carl W Wolf Mobile unit and track system therefor
US2932258A (en) * 1955-08-16 1960-04-12 Alweg Forschung Gmbh Railway systems

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US258302A (en) * 1882-05-23 Elevated railway
US2038732A (en) * 1932-03-10 1936-04-28 Guthrie James Monorail system
US2132187A (en) * 1934-04-20 1938-10-04 Jr Rufus R Rand Aerial traveling device
US2229015A (en) * 1939-02-06 1941-01-14 King Ltd Geo W Rail tractor or like haulage unit
US2932258A (en) * 1955-08-16 1960-04-12 Alweg Forschung Gmbh Railway systems
US2913997A (en) * 1958-07-30 1959-11-24 Carl W Wolf Mobile unit and track system therefor

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111910A (en) * 1962-03-12 1963-11-26 Pao John Toy monorail train system
US3295249A (en) * 1962-05-31 1967-01-03 Robert G Johnson Line suspended vehicle
US3116699A (en) * 1962-07-02 1964-01-07 Harmonic Reed Corp Toy monorail trolley systems
US3263364A (en) * 1963-10-03 1966-08-02 David J Mckay Electrically operated toy auto and guide rail
US3456597A (en) * 1967-03-28 1969-07-22 Becorit Res Ltd Suspended track gripping locomotive
US4217727A (en) * 1978-07-31 1980-08-19 Rosabelle Fetty Miniature monorail system
US4285159A (en) * 1980-02-25 1981-08-25 Mattel, Inc. Direction reversing crib toy
US4570543A (en) * 1982-06-30 1986-02-18 Tsubakimoto Chain Co. Conveying equipment
US4926753A (en) * 1986-04-29 1990-05-22 Programmation, Inc. Flexible material transport system
US5507679A (en) * 1994-08-24 1996-04-16 Getsay; James G. Toy vehicle system and associated vehicle
USD430907S (en) * 1999-07-13 2000-09-12 Tomy Company, Ltd. Toy train
US6520830B1 (en) 2001-10-03 2003-02-18 Mark E. Vollmar Ceiling mounted model toy railing system and method therefor
US20100212233A1 (en) * 2009-02-26 2010-08-26 Siemens Industry, Inc. Quick Roll Mounting Bracket for Modular Panels
US8665582B2 (en) * 2009-02-26 2014-03-04 Siemens Industry, Inc. Quick roll mounting bracket for modular panels
US20110065353A1 (en) * 2009-09-11 2011-03-17 Stephen Paul Chininis Infant play gym
US8430711B2 (en) * 2009-09-11 2013-04-30 Learning Curve Brands, Inc. Infant play gym
US20130273806A1 (en) * 2012-04-12 2013-10-17 Mattel, Inc. Toy Vehicle Monorail Track Set
US9114324B2 (en) * 2012-04-12 2015-08-25 Mattel, Inc. Toy vehicle monorail track set
US10384777B1 (en) * 2015-02-27 2019-08-20 Amazon Technologies, Inc. Tethering system for unmanned aerial vehicles
USD966426S1 (en) * 2021-08-09 2022-10-11 Guangdong Hengguan Technology Industrial Co., Ltd Orbital plane toy

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