- Jan 31, 2000
The title pretty much asks the question. I have seen references to sleeveboard patterns and to be honest I have no clue as to what they are or look like.
I'm not positive about this, but I think it's only called a sleeveboard if in pen form, blades at both ends. If in jack form, then it's called a regular jack or a swell end jack. This GEC #78 American Jack is the same frame as the #79 Workhorse, only in jack form.
Going off of that thought, however: does a sleeveboard pattern typically have its main blade at the larger end, thus distinguishing it from a swell-end jack (as one example) that would have its blade(s) at the smaller end?
On a sleeveboard jack, (both blades on same end), most had the blades from the smaller end but either method of construction was common enough.
On a sleeveboard pen, (blades on each end), normally the master blade was on the wider end.
Sooo... is it possible for a sleeveboard jack and a swell-end jack to be two different names for the same thing (not universally, but in specific instances)?
The careful observer will notice a difference in the elongation and swell between the patterns. It is sometimes subtle but where the sleeveboard is generally straight sided with a rounded end, the swell end...well, swells. Look at some images of (especially) older patterns and you'll see the difference pretty clearly.
Hang on a moment and I'll post an image just by way of one example...
Subtle, but nonetheless not a sleeveboard:
In person the gentle swell is a bit more apparent and it has a bit of a "waist". The sleeveboard would be more rigidly straight sided until the curved end (like the ironing board) in most cases.
Companies did and do take liberties with the nomenclature.
Thanks, Elliot-- pictures really do help. I would not have called the above knife a sleeveboard, but have seen some (what I now know to be) sleeveboards called swell-end jacks.
Most illuminating for me so far is that neither single spring nor pen configuration has anything to do with defining a sleeveboard. The Venn intersection of sleeveboard knives I've seen that also contained those two features had led me to wrongly conclude otherwise.
Sleeveboards also have the master blade coming out of the wide end of the knife.
From what I've read the sleeveboard pattern is also a variation on the elephant toe pattern.
Here are Bernard Levines words on sleeveboards.
Pens. "A sleeveboard pen has round ends"like a senator", but it's handle tapers"." Sleeveboard pen knives ordinarily have the master on the wider end."
Sleeveboard jacks and jumbo jacks." Regular jacks have squaredcorners at the blade end. Similar tapered knives that are rounded at both ends are usually called sleeveboard jacks.Unlike regular jacks, some sleeveboard jacks have their blades at the wider end." There is more on jumbo jacks but i'm tired of typing