Aug 30, 2015 12:17
8 yrs ago
French term

grand cadre

French to English Law/Patents Mechanics / Mech Engineering
This is from a patent regarding a pantograph for railway vehicles:

Un pantographe comporte de manière classique une partie inférieure, connue de l'homme du métier sous la désignation de grand cadre, dont la base est reliée au toit de la motrice et une partie supérieure, connue de l'homme du métier sous la désignation d'archet...

And then later:

Le cadre du pantographe est articulé et comporte une partie inférieure couramment désigné "grand cadre" et une partie supérieure couramment désignée "petit cadre". Un tel cadre de pantographe est classique et connu de l'homme du métier.

I don't know what 'petit cadre' is either, but I'll start with 'grand cadre' first!

The claims for this translation were given to me in English; elsewhere, 'cadre' is translated as 'framework' so maybe just a literal translation is needed but I'm not sure.

Thanks in advance!

Discussion

claude-andrew Sep 1, 2015:
Ask the expert Why not email Iain Ellis, author of Ellis' British Railway Engineering Encyclopedia:
[email protected]
I have the said encyclopedia, but alas it contains nothing relevant to this question.
By the way, Kashew is right: a diagram or photo will be useful - especially as "base frame" refers to the flat base on which the two arms (or frames!) are mounted.
kashew Sep 1, 2015:
@C-A Keep googling and you can find a panto leg.
I don't think your American railroad ref. is anything to go by.
Anyway, I'd insist on a diagram before translating this kind of stuff.
claude-andrew Sep 1, 2015:
Arm or frame? Googling ""pantograph arm" railroad" gets about 5 times as many hits as ""pantograph frame"" railroad". In the following ref we find "arm or frame" referred to. Take your pick!
https://books.google.fr/books?id=ygKio-Ks0doC&pg=PA134&lpg=P...
kashew Sep 1, 2015:
@Claire http://www.mstelektroteknik.com/Kataloglar/Katalog_Stemmann_...
See p11
Have you a diagram with your PA? Easy to compare parts then.
AbrahamS Aug 30, 2015:
I can't see that the lower part is called anything else than "lower frame" in English:
http://www.pctnationalphaser.com/PCT_Patent_Application/4920...

Proposed translations

19 hrs
Selected

lower arm

See references
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4 KudoZ points awarded for this answer.
21 mins

large frame

This appears to be a translation of your document: http://www.google.com/patents/EP2699445B1?cl=en

I have no idea whether it is a good translation. However, the term "large frame" occurs elsewhere with reference to pantographs.
Peer comment(s):

neutral AbrahamS : This is an automatic translation of a French document ("a support carrying cable which is suspended the contact wire 3 by means of pendulums."). All the references to "large frame" in the proper context that I could find were of that type.
10 mins
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2 days 1 hr

base frame

http://www.mstelektroteknik.com/Kataloglar/Katalog_Stemmann_...
p11 for labelled diagram

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Note added at 2 jours1 heure (2015-09-01 13:58:23 GMT)
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with adjustment to text that follows (eliminate "dont la base")

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Note added at 2 jours1 heure (2015-09-01 14:06:51 GMT)
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Yes, there are arms, but one can consider them components/attachments to the base and upper frames.
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Reference comments

52 mins
Reference:

Arms

I gather that in modern pantographs the 2 sections are referred to as "arms" (they more closely resemble arms than frames).

2nd ref.: See page 009 "lower arm" and "upper arm".
Example sentence:

Pantographs may have either a single or a double arm. Double-arm pantographs are usually heavier, requiring more power to raise and lower, but may also be more fault-tolerant.

Peer comments on this reference comment:

agree Ariane Leverett : I agree, and have found links to support the use of "arms" in this context. https://www.peter.com.au/articles/pantograph.html
6 hrs
Thanks!
agree mchd
17 hrs
Thanks!
agree Sally ALLCARD : Union Internationale des Chemins de fer use 'arm' for cadre in their lexicon
19 hrs
Thanks!
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