[특허]Integrated multi-functional links for chain link conveyor and method

[미국특허] Integrated multi-functional links for chain link conveyor and method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65G-017/06
출원번호	US-0036057 (2011-02-28)
등록번호	US-8474607 (2013-07-02)
발명자 / 주소	Hall, William Carleton
출원인 / 주소	Ramsey Products Corporation
대리인 / 주소	Shumaker, Loop & Kendrick, LLP
인용정보	피인용 횟수 : 1 인용 특허 : 70

초록 ▼

A multi-link conveyor chain is provided that includes a first plurality of links and a second plurality of links positioned along the length of the conveyor chain and collectively defining the conveyor chain. The first plurality of links has a wear surface that has enhanced wear resistance in relation to a conventional wear surface of the second plurality of links. The first plurality of links may be spaced in a pattern or randomly in the chain, in various percentages in relation to the second plurality of links.

대표청구항 ▼

1. A multi-link conveyor chain, comprising: (a) a first plurality of interconnected links;(b) a second plurality of links interspersed within the first plurality of interconnected links along a length of the conveyor chain; and(c) the first plurality of links and the second plurality of links being formed of respective homogeneous materials, the second plurality of links being formed from a homogeneous material that has a wear resistance that is greater than the wear resistance of the material used in the first plurality of links, with the interspersed second plurality of links positioned to engage a support surface on which the conveyor chain moves for providing enhanced wear resistance to the conveyor chain. 2. A multi-link conveyor chain according to claim 1, wherein the second plurality of links is spaced laterally across a width of the conveyor chain. 3. A multi-link conveyor chain according to claim 1, wherein the second plurality of links is spaced longitudinally along a length of the conveyor chain. 4. A multi-link conveyor chain according to claim 1, wherein the second plurality of links is spaced at regular intervals laterally across a width of the conveyor chain. 5. A multi-link conveyor chain according to claim 1, wherein the second plurality of links is spaced at regular intervals longitudinally along a length of the conveyor chain. 6. A multi-link conveyor chain according to claim 1, wherein the second plurality of links is spaced irregularly along a length and width of the conveyor chain. 7. A multi-link conveyor chain according to claim 1, wherein the second plurality of links are spaced laterally across a width of the conveyor chain to coincide with spacing of guide grooves formed in a sprocket gear over which the conveyor chain passes. 8. A multi-link conveyor chain according to claim 1, wherein the first plurality of links includes: (a) a first link segment having an outer wall in a first vertical plane defining a protective bearing surface having a forward-facing convex face and a rearward-facing concave face and a first, countersunk, pin access bore extending perpendicularly through the link between the forward-facing convex face and the rearward-facing concave face;(b) a second link segment integrally-formed with the first link segment and having an outer wall in a second vertical plane defining a protective bearing surface having a forward-facing concave face, a rearward-facing convex face having a second pin access bore extending perpendicularly through the link between the forward-facing convex face and the rearward-facing convex face;(c) the forward-facing convex face of the first link segment and the forward-facing concave face of the second link segment having respective complementary arcuate shapes adapted to nest with and move relative to a respective rearward-facing concave face and rearward-facing convex face of a like end protector link forward of the end protector link to which the end protector link is nested in the conveyor chain, and(d) laterally-extending pins extending through the pin access bores for pivotally connecting the links together to form the conveyor chain. 9. A multi-link conveyor chain according to claim 8, wherein the second plurality of links includes: (a) a first link segment having an outer wall in a first vertical plane defining a protective bearing surface having a forward-facing convex face and a rearward-facing concave face and a first, countersunk, pin access bore extending perpendicularly through the link between the forward-facing convex face and the rearward-facing concave face;(b) a second link segment integrally-formed with the first link segment and having an outer wall in a second vertical plane defining a protective bearing surface having a forward-facing concave face, a rearward-facing convex face having a second pin access bore extending perpendicularly through the link between the forward-facing convex face and the rearward-facing convex face;(c) the forward-facing convex face of the first link segment and the forward-facing concave face of the second link segment having respective complementary arcuate shapes adapted to nest with and move relative to a respective rearward-facing concave face and rearward-facing convex face of a like end protector link forward of the end protector link to which the end protector link is nested in the conveyor chain; and(d) the wear surface is defined by laterally-extending surfaces of the second plurality of links. 10. A multi-link conveyor chain according to claim 1, wherein the first plurality of links and the second plurality of links have downwardly extending teeth for driving engagement with teeth of a conveyor sprocket gear. 11. A multi-link conveyor chain according to claim 1, wherein the first plurality of links have downwardly-extending teeth for driving engagement with teeth of a conveyor sprocket gear, and the second plurality of teeth have substantially planar top and bottom surfaces. 12. A multi-link conveyor chain according to claim 1, wherein the first plurality of links have downwardly-extending teeth for driving engagement with teeth of a conveyor sprocket gear, and the second plurality of links have downwardly-extending teeth for driving engagement with teeth of a conveyor sprocket gear. 13. A multi-link conveyor chain according to claim 1, wherein the second plurality of links are positioned to form at least one longitudinally extending band of laterally adjacent links. 14. A multi-link conveyor chain according to claim 1, wherein the wear surface of the second plurality of links has a hardness of between approximately Rockwell C 40 and Rockwell C 52 RC.

이 특허에 인용된 특허 (70) 인용/피인용 타임라인 분석

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이 특허를 인용한 특허 (1) 인용/피인용 타임라인 분석

Richardson, Andrew, Pin retention for conveyor modules.
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연합인증

[미국특허] Integrated multi-functional links for chain link conveyor and method 원문보기

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[미국특허] Integrated multi-functional links for chain link conveyor and method 원문보기

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