Патент USA US2128506код для вставки
Aug- 30, 1938. B. M‘ STAUNTQN ' 2,128,506 INCLINOMETER Filed July 14, 1937 /r Z” ; 5 Sheets-Sheet l V . ff,’ 2 A; . ~ . ' I _ Inventor Zltfdiguznfozz .63.‘: ‘I Yuma" A iiorneys Aug. 30, 1938. 2,128,506 B. M. STAUNTON INCLINOMETER Filed July 14, 1957 3 Sheets-Sheet 2’ J'y, Z Inventor jg ff/‘a. 6,’ ?auni'ang M Afiorneys Patented Aug. 30, 1938 -. angst STATES PATENT a. 2,128,506 INCLINOMIETER I Bruce M. Staunton, Wichita, Kans. Application July 14, 1937, Serial No. 153,681 3' Claims. (Cl. 33-215) The present invention relates to inclinometers designed primarily for use upon air craft and has for its principal object to provide a chart _ upon which the degree of inclination of the air 5 craft during its ?ight is recorded, both of a longi tudinal and transverse character. A further object is to provide a clock operated chart whereby to determine the exact time at which any deviation from the true horizontal 10' position of the air craft occurs. ‘ A still further object is to provide an apparatus of this character of simple and practical construc tion, relatively inexpensive to manufacture and installed in operative position upon the air craft, 15 which embodies a convenient construction for re moving and replacing the chart and which is otherwise well adapted for the purposes for which the same is intended. Other objects and advantages reside in the de— 20 tails of construction and operation as more fully hereinafter described and claimed, reference be— ing had to the accompanying drawings forming part hereof, wherein like numerals refer to like parts throughout and in which 25 Figure l is a front elevational view. Figure 2 is a top plan view. Figure 3 is a side elevational view with parts broken away and shown in section. Figure 4 is a rear elevational view showing the 30 mounting for the clock mechanism. Figure 5 is a longitudinal sectional view through the scriber. ‘ Figure 6 is a transverse sectional view taken ' substantially on the line 6-6 of Fig. 5, and 35 Figure '7 is a detail of one of the pivoted ends of the scriber supporting bracket. _ Referring now to the drawings in detail, where in for the purpose of illustration I have disclosed a preferred embodiment of the invention the nu 40 meral 5 designates a substantially U-shaped bracket adapted for mounting in a suitable posi-v tion upon the air craft, the bight portion of said bracket being formed into an upstanding base 6 having guide ?anges l at its opposite side edges . 45 received in channels 8 of the base portion 9 of a clock case ID, the ?anges l and channels 8 being of substantially dove-tailed construction as more clearly shown in Fig. 4 of the drawings to pro 50 vide for the removal of the clock-case by the rearward sliding movement thereof. The base portion 9 of the clock-case is secured to the base portion 6 of the bracket by means of set screws | I. The arms I2 of the bracket extend forwardly 55 as more clearly illustrated in Fig. 3 of the draw ings and are formed with ?attened heads [3 at their upper end. A second U-shaped bracket M has its legs 55‘ positioned inwardly of the legs 92 of the bracket 5 and the upper ends of the legs i5 are also pro- 5-; vided with ?at heads l6 positioned ?atly against the heads l3. The heads 53 and iii are formed with central openings l‘! within which a bolt it is inserted and secured in position by a wing nut Hi. The inner faces of the heads 63 and it are 10'2 also formed with annular channels 20 forming a raceway for a set of ball-bearings to provide anti~ friction means between said head. It will thus be apparent that the bracket 54 is pivoted to the; bracket 5 for swinging in a longitudinal direction with respect to the air craft upon which the device is mounted. The bight portion of the bracket M is enlarged as at 2| intermediate its ends and formed with a vertical slotted opening 22 for receiving a pendu lum arm 23, said arm being secured to the bracket l4 intermediate the ends of the arm by a bolt and wing nut 24. The opposed faces of the pendulum arm and the inner walls of the slotted opening 22 are formed with annular channels 25 within which to receive ball bearings 26, the pendulum arm thus being supported for transverse swinging movement. The lower end of the pendulum arm is threaded as at 2'! for threadedly receiving a ball or weight 28 secured in vertically adjusted 30 position by a lock nut 29. The upper end of the. pendulum arm 23 is pro vided with a threaded opening 33 for threaded engagement by a reduced threaded extension 3! formed on a barrel 32 of a scriber device shown in detail in Fig. 5 of the drawings. The barrel 32 is open at each end, the end of the barrel op posite from the threaded extension 36 being pro vided with a threaded plug 33 having a central opening for slidably receiving a stem 34 extend; ing entirely through the barrel. A collar 35 is secured to the stem within the barrel forming an abutment for one end of an expansible coil spring 36, the opposite end of said spring abutting the plug 33 whereby to yieldably urge the stem in a direction. toward the threaded extension SE. The stem 33 is formed with a bore extending therethrough within one end of which is posi tioned a lead 3? frictionally held within the bore by a cap 38 threaded on the forward end of the stem. The bore at the rear end of the stem is internally threaded as shown at 39 for threadedly receiving a screw 40 having a manipulatinghead iii. The inner end of the screw 40 is provided witha plung er 42 engaging the lead to feed the lead forwardly. 55 2,128,506 2 Spaced outwardly from the base of the clock casing I9 is a chart 43 in disk form secured to a threaded extension M of the arbor of the clock, the chart accordingly being rotated by the clock mechanism. As will be apparent from an inspection of Figs. 1 and 3 of the drawings the scriber is projected from the barrel 32 in a position for contacting the surface of the chart and accordingly any devia tions of the air craft from a true horizontal plane, ing arms inclined in a longitudinal direction, a clock mechanism mounted on the bight portion of said bracket, a chart mounted for rotation on the arbor of the clock, a scriber having contact with said chart, a U-shaped bracket having its ends pivotally supported to the arms of said ?rst named bracket for longitudinal swinging move ment and a pendulum arm having its upper end. attached to said scriber, said arm being pivotally supported intermediate its ends to the bight por 10 either in a longitudinal or transverse direction tion of said last named bracket for transverse swinging movement. will be recorded upon the chart 43. , 3. An inclinometer comprising a U-shaped ' It is believed the details of construction, man-_ bracket adapted for mounting transversely of a ner of operation and advantages of the device will ‘ vehicle, an upstanding base on the bracket hav 15 be readily understood from the foregoing without ing overhanging side ?anges, a clock having a 15 further detailed explanation. ‘base provided with inwardly positioned channels Having thus described the invention what ‘I ‘for slidably receiving said ?anges, a chart claim is:-— p 1. An inclinometer comprising a substantially U-shaped bracket adapted for mounting upon a 20 vehicle transversely thereof, said bracket embody ing arms inclined in a longitudinal direction, a clock mechanism mounted on the bight portion of said'bracket, a chart mounted for rotation on the arbor of the clock, a scriber having contact 25 with said chart and means for supporting said scriber upon said bracket for transverse and-lon gitudinal swinging movement. 30 2. An inclinometer comprising a substantially U-shaped bracket adapted for mounting upon a vehicle transversely thereof, said bracket embody mounted on the arbor of the clock for rotation therewith, a second U-shaped bracket having its 20 arms pivotally secured to the arms of the ?rst named bracket for longitudinal swinging move ment, a slotted opening in the second named bracket, a pendulum arm pivotally supported in termediate its ends in said opening for transverse 25 swinging movement, a scriber secured to the up per end of the arm and means carried by the scriber for yieldably urging the same into contact with the chart. BRUCE M. STAUNTON.