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US5000311A Expired / Lapsed US ⏱️ 0.0 years remaining

Conveyor chain with detachable upper portion

Assignee: FlexLink Components AB
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Filing: 1989-11-24
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Granted: 1991-03-19
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Expires: 2009-11-24
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Abstract

Abstract The invention refers to a conveyor chain forming part of a chain conveyor and incorporates a number of cardanic interconnected links, each of which incorporates an interconnecting lower part (2, 3) and a load carrying upper part (1). The invention is characterized therein that the upper part (1) is equipped with connecting means (4, 5, 6, 8) for detachable fitting of further load carrying members (9), such as carriers, supports for rollers and protecting plates.

Inventors

  • 👤 Goran Abbestam
  • 👤 Leif Lachonius

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 08:16
CPC Classifications
B; B65; B65G; B65G21/00; B65G17/00; B65G17/06; B65G17/08; B65G17/30; B65G17/32; B65G17/38; B65G17/42; B65G2201/00; B65G2201/02

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 69 words
A link for a conveyor chain comprising a lower base part 2,3 and an upper part 1 and means for detachably mounting a load carrying member including laterally extending rail means projecting from said upper part 1, abutment means at one end of said upper part 1 engageable with said load carrying member and at least one flexible locking element at the opposite end defining a releasable locking member.
Claim 2
Dependent Claim 69 words
A link for a conveyor chain comprising a lower base part 2,3 and an upper part 1 and means for detachably mounting a load carrying member including laterally extending rail means projecting from said upper part 1, abutment means at one end of said upper part 1 engageable with said load carrying member and at least one flexible locking element at the opposite end defining a releasable locking member.
Claim 3
Dependent Claim 33 words
A conveyor chain as claimed in claim 1, characterized therein, that the connecting means incorporate a resilient shoulder (5), which by snap-action is adapted to lock the fitted additional load carrying member (9).
Claim 4
Dependent Claim 49 words
A conveyor chain as claimed in claim 1 characterized therein, that the connecting means incorporate rails (4), which are resilient laterally at the entrance end for the additional load carrying member (9) and equipped with shoulder (8), whereby they can lock the additional load carrying member (9) by snap-action.
Claim 5
Dependent Claim 27 words
A conveyor as claimed in claim 1 characterized therein, that the connecting means (4, 5, 6, 8) are made integral with the load carrying upper part (1).

References Cited (Backward Citations)

US3857478A Cited
US3910404A Cited
US3977322A Cited
US4031825A Cited
US4809846A Cited
US4925013A Cited
US4678078A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-03-18 1994-09-17 1995-03-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-03-18 1998-09-17 1999-03-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-03-18 2002-09-17 2003-03-19 $7700.00 Window Closed / Lapsed

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