61 F. 684 | 2d Cir. | 1894
The patent relates to a folding gate capable of moving to and fro, in a straight line, across a gateway, so that, when folded up, it will shut in upon itself, close against the jamb, and leave the gateway substantially free. The claim is for:
“(1) A gate for hallways and other places, consisting of a series of upright pickets, and a series of cross and connecting braces or bars pivoted to the pickets at two or more central points, and having upper and lower points of connection, arranged to slide vertically within or upon the pickets, whereby the latter are adapted to slide upon a base support across the gate opening without changing their parallelism or their positions vertically, substantially as described.”
The defendant has also a patent for a folding gate, No. 358,956, dated March 8,1887. The particular gate complained of is slightly modified from his patent, and is shown below:
The modification consists in having the central and outer-end uprights supported from the base, instead of being hung from a transverse rod above. The circuit judge held that such a gate did not infringe the first claim of complainant’s patent. To determine that question, it is first necessary to settle what construction is to be put upon the patent. An examination of ihe art show's that the invention of Maddox & Humphries was not of that primary, pioneer, or fundamental character which admits of a broad and comprehen
The fixed pivots in the jamb upright and in the movable or sliding upright, F, F1, are in the same horizontal plane; and inspection of the movement of a lazy tongs when in operation shows that if it is to be fastened to objects which are themselves to have no vertical motion, and is also to be given free play, the fixed pivots (i. e. fixed, in the sense of having no vertical motion) must be located in the same horizontal plane. Looking at the Snead gate, it is manifest
In 1877, Maddox, one of the patentees of the patent in suit, took out a patent for a folding gate, No. 191,984, shown below:
fill up the space in the hallway, and fold up close together again against the wall, into a small compass. In the specification of the patent in suit, it is stated that the invention of the patentees, Maddox & Humphries, “has for its object to improve the gate for hallways and other places for which the patent [last above referred to] was granted to Maddox, [which patent] consists in a series of vertical pickets or bars connected * * * by knuckle joints with
“In Maddox & Humphries’ gate the main feature consists in the vertical sliding pickets, the other devices being subordinate, and adapted as one means for moving the pickets. In Powell’s gate the main feature is the lazy tongs, the vertical rods * * * being subordinate, and used to prevent the gate from bowing when extended, and incidentally to partially obstruct the space under the extended gate. * * * The rods [of Powell] are not sliding-pickets, but incidental devices for supporting the gate on a broad base when extended. Maddox & Humphries construct their gate mainly of sliding pickets, so arranged as to slide on the ground in a horizontal plane,” etc.
The applicants also changed the specification touching the statement of their improvement from the form above quoted to the following:
“Our improvements * * * consist—First, in so combining a series of cross and connecting braces or bars with the pickets—instead of employing knuckle joints—as to 'strengthen and support the gate, and adapt it to slide upon its support without changing the vertical position of the pickets, and at the same time preserving their parallelism when the gate is opening and closing.”
Manifestly, the “gate” which is here spoken of as “sliding upon its support” is the picket gate depicted in the drawings annexed to the original Maddox patent, and to the patent for the improvement of Maddox & Humphries. Inspection of the defendant’s gate shows that it is essentially not a picket gate, but a lazy-tongs gate, with a single central support, and therefore it does not infringe. Decree of circtiit court is affirmed.