US1789896A - Construction toy - Google Patents
Construction toy Download PDFInfo
- Publication number
- US1789896A US1789896A US327837A US32783728A US1789896A US 1789896 A US1789896 A US 1789896A US 327837 A US327837 A US 327837A US 32783728 A US32783728 A US 32783728A US 1789896 A US1789896 A US 1789896A
- Authority
- US
- United States
- Prior art keywords
- toy
- secured
- elements
- shaft
- members
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/04—Building blocks, strips, or similar building parts
- A63H33/042—Mechanical, electrical, optical, pneumatic or hydraulic arrangements; Motors
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/04—Building blocks, strips, or similar building parts
- A63H33/10—Building blocks, strips, or similar building parts to be assembled by means of additional non-adhesive elements
- A63H33/12—Perforated strips or the like assembled by rods, bolts, or the like
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2101—Cams
- Y10T74/2102—Adjustable
Definitions
- this invention relates to; a novel form of canistructure, which is purpose of instruction and entertainment.
- a toy in which the novel form of cam strucadapted for use in combination with'other toy elements to form toys operable to simulate actual mechanical movements for the ture of this invention may be used, is illustrated and described in detail in a copending application, Serial No. 241,837, filed December 22, 1927, of whiclrthis applicatioiris a division.
- Fig. l is a side elevation of a construction toy model embodyingthe features of this invention
- Fig. 2 is a section on line -22 of Fig. 1;
- Fig. 3 is a top plan view of the upper struc ture of the model toy
- Fig. 4 is a section on line 414 of Fig. 3;
- Fig. 5 is a section on line 55 of Fig 3;'
- Fig. 6 is a section through the novel form of cam element, and its associated parts.
- the particular model or device selected to illustrate the novel features of this inven-', tion comprises a structure composed of a plurality of toy elements assembled in such a manner as to simulate in form and operation a box-making machine.
- This toy which is more specifically described in the above
- One object of this invention is to provide a toy elementfor a construction toy which will 22, 1927, Serial No. 241,837. Divided. and this application files Decemher 1928. sem No. 327,837.
- End members each comprising toy elements 13,"form the supports andthe main parts of: the frame-work for the toy illustrated.
- the side plates arefof sheet metal and are provided with foot portions 141
- the supports 13 areprovided with aplurality, of series of longitudinally and transversely spaced apart perforations, the. spacing of which is according to a predetermined standard.
- the supporting members are secured-together in spaced apart relation by means of perforated angle strips 17
- Two of the strips 17 extend 'across'the top and'two acrossthe bottom of the toy, firmly securing the supportingjmembers together.
- the angle strips 17 are provided with spaced apart perforations, and are secured to the supporting members by means of bolts 18, which pass through corresponding perforations in each part.
- a perforated plate 19 extends across the toy between the supporting members 13, and is secured at each end thereof to the lower pair of strips l7, by means of bolts 20, which pass through corresponding perforations in each part.
- An'angle strip 21 also extends across the toy and is bolted to the lower strip 17 by bolts 22, which pass through corresponding perforations in each'part.
- this lowersti'ucture is an upper structure which is supported by uprights comprising perforated strips 23, to the upper ends of'which are secured in spaced apart relation a pair of side plates 2-1 and 25.
- This upper structure is adapted to support a vertically slidable element 26, to which is secured one end of a lever 27 which is pivoted at 28to the side plate Toy elements 29 are secured to'the other end of the lever 27 to simulate .a counter-weight.
- a portion of the upper structure overhangs the lower structure.
- cam follower 30 which, in this instance, comprises a short screw which passes through a perforation in the lever 27 and is secured thereto by a nut 31.
- the follower 30 projects inwardly substantially at right angles to the lever 27, toward and into a groove 32, provided in a toy camming element simulating a'dru'm cam, which is disposed intermediate the plates 24 and 25.
- the toy camming element by means of screw clamp bushings 33, is secured to a vertically disposed rotatable shaft 34, and comprises a cylindrical body having a cam groove 32, disposed about its periphery.
- the cylindrical body is formed by two identically formed cup-shaped members and 36, each having a screwclamp bushing 33 disposed axially thereof and secured upon a bottom'portion 37 of'each.
- screw clamp bushings either member 35 or 36 may be moved aiii'a lly upon its supporting shaft to adjust these members relatively to each other to vary the slot 32 7 formed therebetween.
- bushings 33 are permanently secured tot'he disks 38 by riveting over a-portionthereof.
- the shaft 34 extendsdownwardly andis journaled in a perforation in the strip 21.
- a clamp member 40 is secured 'to the lower end of shaft 34 and rests upon the upper surface of the strip 21, to retain the shaft against downward movement.
- a clamp member-'41 is secured to the shaft below'and engages the under-surface of the base 1'iortion'42of an inverted U-shaped bracket.43, mounted between the uprights 23, to retain the shaft34 against upward movement,the shaft 34 passing through a perforation provided in the base portion 42.
- a gear 44 is secured to the shaft 34, the teeth of which mesh with a worm'45 secured to a horizontally disposed shaft 46.
- the shaft 46 extends between the end supporting members 13, and may-be journaled incorresponding perforations therein or in corresponding perforations in short perforated strips 47, secured to these'end members.
- a gear 48 is secured upon the shaft "46 at the end thereof, remote from the worm 45, and meshes with-a-pinion 49, secured upon another horizontally disposed shaft '50.
- shaft 50 extends between'the end members 13, being journaled in corresponding perforations therein.
- the outer end of the shaft 50 extends beyond one of the supporting members 13 and has a pulley 51 mounted there0n,fwhich adapted to receive a belt from any suitable power source, such as a toy"el'ectric motor, to be driven thereby.
- WVhile I have sho'wifand'de'scribed a pre-'- fen-ed embodiment of my invention, itis-"to be understood that the same is not to-be limited thereto in all of its-details, but is capable of modification and variation which will lie withinthe slairitbfthe invention and the scope of the appended claims.
- a construction toy comprising a plurality of separable elements, adapted for assembly in various forms of toys,'two of said elements being spaced apart to form end members, other of said elements secured thereto to form a lower supportingframe, a vertically movable part supported by said lower frame, other of said elements mounted on said lower frame to form an upper frame having a portion overhanging said lower frame, avertically movable part supported by said overhanging portion of said upper frame in vertical alignment with said first mentioned movable part, and means to move one of said parts into engagement with the other part to move the same, comprising a rotatable camming member and a lever pivotally connected at one end to one of said movable parts, said lever being engaged and operated by said camming member to raise and lower the part connected thereto, and
- a construction toy comprising a plurality of separable elements adapted for assembly in various forms of toys, a lower supporting frame, a vertically movable part supported by said. lower frame, an upper frame, a vertically movable part supported by said upper framein vertical'alignment with said first mentioned movable part, and means to move one of saidparts toward the other comprising a rotatable camming member, and a lever pivotally connected at one end to one of, said movable parts, said lever being engaged and operated by said camining member to raise and lower the part connected thereto.
- a construction toy comprising a plurality of separable elements adapted for assembly in various forms of toys, a lower supporting frame, a vertically movable part supported by said lower frame, an upper frame, a vertically movable part supported by said upper frame in vertical alignment with said first mentioned movable part, and means to move one of said vertical movable parts into engagement with the other to move the same, comprising a rotatable cannning member, and a lever pivotally connected at one end to one of said movable parts, said lever being en aged and operated by said camming member to raise and lower the part connected thereto, and means to return the engaged part into its initial position.
- a construction toy comprising a plurality of separable elements adapted for asscmbly in various forms of toys, a lower supporting frame, a vertically movable part supported by said lower frame, an upper frame, a vertically movable part supported by said upper frame in vertical alignment with said first mentioned movable part, and a cam member comprising a pair of identica l'ly formed cup-shaped elements each having a substantially flat bottom, and a periplr erally extending side wall disposed substan tially at right angles to said bottom, said side wall extending axially from said bottom and having its free outer edge disposed at an angle to the plane of said bottom, said I
Landscapes
- Toys (AREA)
Description
Jan. 20, 1931. A. c. GILBERT 9,8
' CONSTRUCTION TOY Original Filed Dec. 22. 1927 Original application filed December having a plurality of detachable elements which are adapted for assembly with each other in a variety of ways to form various Patented Jan. 20, 1931 UNITED S AT-Es PATENT. oFFicE ALFRED C. GILBERT, F HAMDEN, CONNECTICUT, ASSIGll'OR.LTO..THE A. C. GILBERT COMPANY, OF NEW HAVEN, CONNECTICUT, A CORPORATION OF MARYLAND oonsrnoetrioiv 'roY' This invention. relates to construction toys toy models andmechanisms. I
More particularly this invention relates to; a novel form of canistructure, which is purpose of instruction and entertainment. A toy in which the novel form of cam strucadapted for use in combination with'other toy elements to form toys operable to simulate actual mechanical movements for the ture of this invention may be used, is illustrated and described in detail in a copending application, Serial No. 241,837, filed December 22, 1927, of whiclrthis applicatioiris a division. I
thereof may be used for other purposes in combination with other. toy elements.
To these and other ends, theinvention consists in the novel features and combinations of parts to be hereinafter described and claimed.
In the accompanying drawingsf Fig. l is a side elevation of a construction toy model embodyingthe features of this invention Fig. 2 is a section on line -22 of Fig. 1;
Fig. 3 is a top plan view of the upper struc ture of the model toy;
Fig. 4 is a section on line 414 of Fig. 3;
Fig. 5 is a section on line 55 of Fig 3;'
Fig. 6 is a section through the novel form of cam element, and its associated parts.
The particular model or device selected to illustrate the novel features of this inven-', tion, comprises a structure composed of a plurality of toy elements assembled in such a manner as to simulate in form and operation a box-making machine. This toy, which is more specifically described in the above One object of this invention is to provide a toy elementfor a construction toy which will 22, 1927, Serial No. 241,837. Divided. and this application files Decemher 1928. sem No. 327,837.
mentioned copending application, may be mounted upon a suitable base by any suitable meanswhich pass through perforations in the supporting members of the toy.
End members, each comprising toy elements 13,"form the supports andthe main parts of: the frame-work for the toy illustrated. The side plates arefof sheet metal and are provided with foot portions 141 The supports 13 areprovided with aplurality, of series of longitudinally and transversely spaced apart perforations, the. spacing of which is according to a predetermined standard. To the foot portion 1 1 of each plate an angle-toy element 15 is secured by meansof a bolt 16. r
The supporting members are secured-together in spaced apart relation by means of perforated angle strips 17 Two of the strips 17 extend 'across'the top and'two acrossthe bottom of the toy, firmly securing the supportingjmembers together.. The angle strips 17 are provided with spaced apart perforations, and are secured to the supporting members by means of bolts 18, which pass through corresponding perforations in each part.
A perforated plate 19 extends across the toy between the supporting members 13, and is secured at each end thereof to the lower pair of strips l7, by means of bolts 20, which pass through corresponding perforations in each part. An'angle strip 21 also extends across the toy and is bolted to the lower strip 17 by bolts 22, which pass through corresponding perforations in each'part.
Mountedupon this lowersti'uctureis an upper structure which is supported by uprights comprising perforated strips 23, to the upper ends of'which are secured in spaced apart relation a pair of side plates 2-1 and 25. This upper structure is adapted to support a vertically slidable element 26, to which is secured one end of a lever 27 which is pivoted at 28to the side plate Toy elements 29 are secured to'the other end of the lever 27 to simulate .a counter-weight. A portion of the upper structure overhangs the lower structure. r
Intermediate theends of the lever 27 and adjacent its pivot 28 a cam follower 30 is provided which, in this instance, comprises a short screw which passes through a perforation in the lever 27 and is secured thereto by a nut 31. The follower 30 projects inwardly substantially at right angles to the lever 27, toward and into a groove 32, provided in a toy camming element simulating a'dru'm cam, which is disposed intermediate the plates 24 and 25. The toy camming element, by means of screw clamp bushings 33, is secured to a vertically disposed rotatable shaft 34, and comprises a cylindrical body having a cam groove 32, disposed about its periphery. In the present instance, the cylindrical body is formed by two identically formed cup-shaped members and 36, each having a screwclamp bushing 33 disposed axially thereof and secured upon a bottom'portion 37 of'each. By the use of screw clamp bushings either member 35 or 36 may be moved aiii'a lly upon its supporting shaft to adjust these members relatively to each other to vary the slot 32 7 formed therebetween.
tom portion 37 of thecup-shaped members,
as illustrated in the drawings, formed partly by the material of these members and partly by a disk 38, whichis'sec'uredto'the members by bolts 39; In this instance, the
The shaft 34 extendsdownwardly andis journaled in a perforation in the strip 21. A clamp member 40 is secured 'to the lower end of shaft 34 and rests upon the upper surface of the strip 21, to retain the shaft against downward movement. A clamp member-'41 is secured to the shaft below'and engages the under-surface of the base 1'iortion'42of an inverted U-shaped bracket.43, mounted between the uprights 23, to retain the shaft34 against upward movement,the shaft 34 passing through a perforation provided in the base portion 42. I g
A gear 44 is secured to the shaft 34, the teeth of which mesh with a worm'45 secured to a horizontally disposed shaft 46. The shaft 46 extends between the end supporting members 13, and may-be journaled incorresponding perforations therein or in corresponding perforations in short perforated strips 47, secured to these'end members. A gear 48 is secured upon the shaft "46 at the end thereof, remote from the worm 45, and meshes with-a-pinion 49, secured upon another horizontally disposed shaft '50. The
Rotation of the pulley wheel5l, through lower end of said member into engagement with an opposing plate member 53, which is secured to the upper end of a 'slidab'le member 54, and forces it downwardly against the action of a spring 55. The
WVhile I have sho'wifand'de'scribed a pre-'- fen-ed embodiment of my invention, itis-"to be understood that the same is not to-be limited thereto in all of its-details, but is capable of modification and variation which will lie withinthe slairitbfthe invention and the scope of the appended claims.
1. '21 construction 'toy,"co'mprising .a" plurality of separable elements, adaptedfonassembly in various forms 'of'toys', two'of said elements 'bei ng spac'ed apart to 'forin end members, other o'fsaid "elements "secured thereto to form a lower supporting f'rame, a
vertically ,niovab'le part supported by said lower frame, other of said "e'lemcnts mounted first mentionedmovable"part, and' ineans to moveo'neo'f said parts toward the otherjcomprising a rotatable camming member and a lever pivotally connected at one endof one of said movable parts, said lever being engaged and operated by said camming mem- )81' to raise and lower the part connected thereto. 1
2. A construction toy, comprising a plurality of separable elements, adapted for assembly in various forms of toys,'two of said elements being spaced apart to form end members, other of said elements secured thereto to form a lower supportingframe, a vertically movable part supported by said lower frame, other of said elements mounted on said lower frame to form an upper frame having a portion overhanging said lower frame, avertically movable part supported by said overhanging portion of said upper frame in vertical alignment with said first mentioned movable part, and means to move one of said parts into engagement with the other part to move the same, comprising a rotatable camming member and a lever pivotally connected at one end to one of said movable parts, said lever being engaged and operated by said camming member to raise and lower the part connected thereto, and
means to return the engaged part into its initial position. j
3. A construction toy comprising a plurality of separable elements adapted for assembly in various forms of toys, a lower supporting frame, a vertically movable part supported by said. lower frame, an upper frame, a vertically movable part supported by said upper framein vertical'alignment with said first mentioned movable part, and means to move one of saidparts toward the other comprising a rotatable camming member, and a lever pivotally connected at one end to one of, said movable parts, said lever being engaged and operated by said camining member to raise and lower the part connected thereto.
4. A construction toy comprising a plurality of separable elements adapted for assembly in various forms of toys, a lower supporting frame, a vertically movable part supported by said lower frame, an upper frame, a vertically movable part supported by said upper frame in vertical alignment with said first mentioned movable part, and means to move one of said vertical movable parts into engagement with the other to move the same, comprising a rotatable cannning member, and a lever pivotally connected at one end to one of said movable parts, said lever being en aged and operated by said camming member to raise and lower the part connected thereto, and means to return the engaged part into its initial position.
A construction toy comprising a plurality of separable elements adapted for asscmbly in various forms of toys, a lower supporting frame, a vertically movable part supported by said lower frame, an upper frame, a vertically movable part supported by said upper frame in vertical alignment with said first mentioned movable part, and a cam member comprising a pair of identica l'ly formed cup-shaped elements each having a substantially flat bottom, and a periplr erally extending side wall disposed substan tially at right angles to said bottom, said side wall extending axially from said bottom and having its free outer edge disposed at an angle to the plane of said bottom, said I
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US327837A US1789896A (en) | 1927-12-22 | 1928-12-22 | Construction toy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US241837A US1792976A (en) | 1927-12-22 | 1927-12-22 | Construction toy |
US327837A US1789896A (en) | 1927-12-22 | 1928-12-22 | Construction toy |
Publications (1)
Publication Number | Publication Date |
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US1789896A true US1789896A (en) | 1931-01-20 |
Family
ID=26934632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US327837A Expired - Lifetime US1789896A (en) | 1927-12-22 | 1928-12-22 | Construction toy |
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US (1) | US1789896A (en) |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3206211A (en) * | 1964-02-25 | 1965-09-14 | Koplin Harry | Oil exploration game |
US3295227A (en) * | 1964-09-18 | 1967-01-03 | Suchman Joseph Richard | Educational device |
USD380786S (en) * | 1994-01-06 | 1997-07-08 | Meccano, S.A. | Combined hole, embossment and slot for a construction toy element |
USD388136S (en) * | 1994-12-05 | 1997-12-23 | Meccano, S.A. | Construction toy element |
US5816882A (en) * | 1994-01-06 | 1998-10-06 | Meccano, S.A. | Construction toy kit |
US6217044B1 (en) | 1999-04-15 | 2001-04-17 | Beeche Systems, Corp. | Steerable and retractable wheels for multi-purpose carriage |
WO2003057332A1 (en) * | 2001-12-31 | 2003-07-17 | Innovation First, Inc. | A user-definable construction set |
US20030175669A1 (en) * | 2001-12-31 | 2003-09-18 | Mimlitch Robert H. | Product cycle project development |
US20040077257A1 (en) * | 2001-12-31 | 2004-04-22 | Mimlitch Robert H. | Construction set for constructing a user-definable apparatus |
US20090247045A1 (en) * | 2008-03-28 | 2009-10-01 | Btr Robotics Limited Liability Company | Kits and components for modular hobby mechanical and robotic construction |
US7934971B2 (en) | 2001-12-31 | 2011-05-03 | Innovation First, Inc. | Components for rapidly constructing a user-definable apparatus |
US20130149935A1 (en) * | 2001-12-31 | 2013-06-13 | Innovation First, Inc. | Components for rapidly constructing a user-definable apparatus |
USD770573S1 (en) * | 2014-02-10 | 2016-11-01 | Robotzone, Llc | Channel hole pattern |
US20170036357A1 (en) * | 2015-08-05 | 2017-02-09 | Robottime (Beijing) Technology Co., Ltd. | Bar Member, Assembled Component and Robot |
US11009053B2 (en) | 2016-10-21 | 2021-05-18 | Robotzone, Llc | Clamping hub |
USD931380S1 (en) * | 2018-08-01 | 2021-09-21 | Robotzone, Llc | Channel hole pattern |
US11149767B2 (en) | 2018-10-03 | 2021-10-19 | Robotzone, Llc | Clamping hub |
USD937936S1 (en) * | 2018-08-01 | 2021-12-07 | Robotzone, Llc | Channel hole pattern |
US11994171B2 (en) | 2018-10-10 | 2024-05-28 | Robotzone, Llc | Clamping shaft coupler |
-
1928
- 1928-12-22 US US327837A patent/US1789896A/en not_active Expired - Lifetime
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3206211A (en) * | 1964-02-25 | 1965-09-14 | Koplin Harry | Oil exploration game |
US3295227A (en) * | 1964-09-18 | 1967-01-03 | Suchman Joseph Richard | Educational device |
USD380786S (en) * | 1994-01-06 | 1997-07-08 | Meccano, S.A. | Combined hole, embossment and slot for a construction toy element |
USD386545S (en) * | 1994-01-06 | 1997-11-18 | Meccano, S.A. | Combined hole and embossment for a construction toy element |
US5816882A (en) * | 1994-01-06 | 1998-10-06 | Meccano, S.A. | Construction toy kit |
USD388136S (en) * | 1994-12-05 | 1997-12-23 | Meccano, S.A. | Construction toy element |
US6217044B1 (en) | 1999-04-15 | 2001-04-17 | Beeche Systems, Corp. | Steerable and retractable wheels for multi-purpose carriage |
US7934971B2 (en) | 2001-12-31 | 2011-05-03 | Innovation First, Inc. | Components for rapidly constructing a user-definable apparatus |
US8696399B2 (en) * | 2001-12-31 | 2014-04-15 | Innovation First, Inc. | Components for rapidly constructing a user-definable apparatus |
US20040077257A1 (en) * | 2001-12-31 | 2004-04-22 | Mimlitch Robert H. | Construction set for constructing a user-definable apparatus |
US7104863B2 (en) | 2001-12-31 | 2006-09-12 | Innovation First, Inc. | Product cycle project development |
US20030175669A1 (en) * | 2001-12-31 | 2003-09-18 | Mimlitch Robert H. | Product cycle project development |
WO2003057332A1 (en) * | 2001-12-31 | 2003-07-17 | Innovation First, Inc. | A user-definable construction set |
US20110151742A1 (en) * | 2001-12-31 | 2011-06-23 | Innovation First, Inc. | Components for Rapidly Constructing a User-Definable Apparatus |
US8337270B2 (en) | 2001-12-31 | 2012-12-25 | Innovation First, Inc. | Components for rapidly constructing a user-definable apparatus |
US20130149935A1 (en) * | 2001-12-31 | 2013-06-13 | Innovation First, Inc. | Components for rapidly constructing a user-definable apparatus |
US20090247045A1 (en) * | 2008-03-28 | 2009-10-01 | Btr Robotics Limited Liability Company | Kits and components for modular hobby mechanical and robotic construction |
US9550130B2 (en) * | 2008-03-28 | 2017-01-24 | Robotzone, Llc | Kits and components for modular hobby mechanical and robotic construction |
USD770573S1 (en) * | 2014-02-10 | 2016-11-01 | Robotzone, Llc | Channel hole pattern |
US20170036357A1 (en) * | 2015-08-05 | 2017-02-09 | Robottime (Beijing) Technology Co., Ltd. | Bar Member, Assembled Component and Robot |
US10598264B2 (en) * | 2015-08-05 | 2020-03-24 | Robottime (Beijing) Technology Co., Ltd. | Bar member, assembled component and robot |
US11009053B2 (en) | 2016-10-21 | 2021-05-18 | Robotzone, Llc | Clamping hub |
USD931380S1 (en) * | 2018-08-01 | 2021-09-21 | Robotzone, Llc | Channel hole pattern |
USD937936S1 (en) * | 2018-08-01 | 2021-12-07 | Robotzone, Llc | Channel hole pattern |
US11149767B2 (en) | 2018-10-03 | 2021-10-19 | Robotzone, Llc | Clamping hub |
US11994171B2 (en) | 2018-10-10 | 2024-05-28 | Robotzone, Llc | Clamping shaft coupler |
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