Talk:shear legs

The Oxford English Dictionary defines shear legs as having three legs but the term shear legs widely means a two legged A-frame lifting device as shown in the following link in figure 5-6. Figure 5-5 shows what some people call shear legs as a tripod: http://library.enlisted.info/field-manuals/series-1/FM5_125/CH5.PDF I am wondering if it is a matter of British English vs. American English or just multiple, confusing meanings. 70.16.96.59 03:01, 5 December 2012 (UTC)
 * Wikipedia also says two legs. I personally don't think it has anything to do with BE vs AE, but more with the changes that have occurred in the technology itself over time. This is just speculation, as I have absolutely no knowledge in this area whatsoever. Jamesjiao → T ◊ C 04:09, 5 December 2012 (UTC)