Waterbury evening Democrat., 1904-12-30
CONNECTICUT PATENTS.
Hew Inventions Designed by People of This State.

Of the thirteen patents granted to Connecticut inventors this week, five are accredited to Bridgeport. Alexan- der Laubscher of that city has been granted q patent on hemstitch at tachment for sewing machines, which he has assigned to the Wheeler &s Wilson Manufacturing Go of the same place. The invention comprises q presser-foot with plate attached to its outer end, which extends longitud- inally at right angles to the presser foot, and has lengthwise slit which separates free end, or slide, from that portion attached to the presser foot, 1t is also provided with an un- derturned fold on fits free end, cap- able of being moved to and from the upper portion to vary the distance be- tween the fold and the upper portion, thereby effecting the hemstitch, or open work seams of different widths. i Samuel sH. Wheeler, also of Bridge port, has patented and assigned to the same company trimmer for sewing machines. This Invention is described as having a presser combined with feed mechanism, including n feed dog-carrying bar. Means are provided to move this bar positively up < and down, back and forth. X throat plate is included in the combination. There to the throat plate, and a trimmer blade, having cutting member ris- ing above and overhanging the throat plate, is secured alongside the ledger plate, and is provided, on its under side, with an upwardly inclined cut ting ledge in line of the feed. The trimmer blade is rigidly mounted upon the feed dog-carrying bar, and is movable by 1t upon It's return drop to effect the trimming of the material being seWed, while the goods are firm ly held between the throat plate and tpresser, and the feed-dog is out of 4eal- engagement with the material. sa
 f The same inventor has been granted another patent, which he has also as- signed to the Wheeler & Wilson Go. This invention consists of a sewing machine cabinet, having half of one side fixed with the other half hinged to it, and door comprising a front piece and a hinged half of the side rigidly united at right angles, so that thR. door is adapted to be swung open laterally and rearwarlly, to clear the ! front of the cabinet and a portion of its side. This exposes the operating mechanism of the sewing machine at the front and side.
 Charles IT. Abercrombie of Bridge port is the inventor and assigner to the Wheeler & Wilson Co of an i'm proved sewing machine cloth presser. It is q divided presser foot having in- dependent moving members adapted to accommodate themselves to the in- sequalities in the material being oper- ated upon. There is q positive action equalizfng device, including anti-fric- ton balls, interposeG between the presser bars which serve to transmit the pressure from one to the other.
 John Rodgers, also of Bridgeport, has invented and been granted letters patent on an automatic air compre- ser, which comprises a cylinder hav- ing induction and eduction pipes, each pipe being provided with d valve. A pivoted lever within the cylinder whose opposite ends connect with the gyal Ives. in the pipes SO that they will open and close alternately, is also pro- vided. There are outlet and inlet pipes, also furnished with valves. A rod extends upward from the lever. which has an offset near its lower end. The free upper end of the rod carries float moving freely thereon. the float rising on the rod as water rises in the cylinder and by engage ment with the lever simultaneously opens the eduction and closes the in- duction valve. The fioat then falling with the water reverses the action. This movement is continuous as long as the water supply continues.
 A very useful invention is that of James McKellen of Naugatuck It is combined ironing board, and step ladder, It comprises an ironing board with step ladder hinged at one end to the under side thereof. A bracket is secured to the under side of the board, provided with one or more notches. Braces are provided extend ling on opposite sides of the step lad der having their ends connected by! bars, the bar at one end being adapt ed to engage the notches in the brack- ct. Means are provided for clamping the braces and step ladder in any de sired position. @
 1 Fred H. Bogart of New Britain has l been granted two patents which he has assigned to the Corbin Motor Ve- hicle Co, of the same place. The first 1 is on steering mechanism for autOnao-
 piles, and consists of rotable shaft. ! having the necessary bearings. and d l worm connected herewith. A plum ger is arranged parallel to this shaft with rack on one of it's sides. This
 rack is adapted to engage the worm
 on the shaft. A second shaft is pro
 Yided and is connected with the plum
 ger by link. This link has a sliding movement relative to the second shaft i3 His second Invention is an autonao-
 bile controlling device. This device has
 a hollow shaft with a second shaft
 extending therethrough. and project
 ing below the lower end of the first shaft. A sleeve is mounted on the
 lower end of the hollow shaft and is
 spirally movable thereon. There is a
 sliding connection between the sleeve
 and the inner shaft whereby when the
 angular position of the shafts is va
 ried, the sleeve will be shifted longi-
 tudinallys upon its support. An oper-
 ating wheel is hinged to the outer
 shaft, with means for locking it in its
 operating position.