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Bob Vilmur
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| Joined: | Thu Jan 6th, 2005 |
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Posted: Fri May 6th, 2005 04:17 am |
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I'd appreciate feedback on this: When I reviewed details/illustrations of Ruger's new Gold Label in the recent issue of the American Rifleman, I believe I perceived the incarnate of W. Parker's 1875 patented tapered bolt concept embodied in Ruger's new gun. -Haven't held one of these new guns personally, yet.
AR Editor Mark Keefe IV's brief statement regarding how the Gold Label bolts up, or accomplishes "vertical locking", as he phrases it, is "Vertical locking is via a single 0.412"-wide and 0.214"-tall underbolt that protrudes through the bottom of the receiver. This bolt slides into a bite on the monobloc's rear." The Gold Label's rear lug does bear a cut similar to that found on @1875 and later Parkers.
If this is the case and Ruger did employ this bolting concept in its new sxs, then I think this says volumes on behalf a 125 year old Parker patent.
-Wonder if Ruger followed through and actually tapered the bolt bite area as did Parker and whether it then gave proper attention to bolt plate surface hardening, per W. King's later work in 1905?
Last edited on Fri May 6th, 2005 06:44 am by Bob Vilmur
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Tom Leshinsky
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Posted: Fri May 6th, 2005 05:25 am |
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| I looked at a Ruger GL today and it does have a tapered bolt that slides into a cut on the monoblock which is also tapered but it is not replaceable like the Parker.
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Don Kaas
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| Joined: | Tue Jan 11th, 2005 |
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Posted: Fri May 6th, 2005 11:41 am |
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I would think James Purdey should be given most of the credit for a underbolt sliding into a recess in a barrel lug as a means of fastening a gun closed...and Scott for the vertical spindle that moves it not withstanding the estimable Mr. King's later contributions to the Parker version of the form. Having said that at least Ruger had sense enough not to copy our beloved Parker's ejectors or single trigger!
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Bob Vilmur
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Posted: Fri May 6th, 2005 09:56 pm |
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Don
Certainly, the creative geniuses of Mssrs. Purdey and Scott were apparent in their 1863 and 1865 patents. What struck me about the Ruger GL and W. Parker 1875 patented bolting systems, however, was their mutual reliance on a single bolt-single bite method of securing barrel to frame. Parker's system seemed to simplify the whole process and was probably at lot more economical to manufacture than Purdey's two bite system. -And, certainly, easier to fit, too. Walter Parker felt his method unique enough to secure the March 1875 patent. Ruger now benefits from the same simplicity.
I guess some of what I was reacting to when I first felt there was a Ruger- Parker bolting method similarity was that a kind of pleasant irony existed here. - - With all the bolting systems Ruger had available to consider, they elected to at least model the main features of their system after one first produced a few freeway hours away and from within their own state. I'd speculate they also relaxed, too, in the awareness that Parker had already contributed substantial R & D time to the Southport cause.
Last edited on Fri May 6th, 2005 10:09 pm by Bob Vilmur
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