Патент USA US2410196код для вставки
Qtà. 29,.1946. L. BENTHALL, SR _ 2,410,196 LAWN EDGER Filed July 7, 1944 2 Sheets-Sheet l ' l@ £3 f4 V , Inventory _ìîfea/erfc/é L. „Be/vá/ìal Si?. Oct. 29, 1946. ' F. L. BENTHALL., sR l LAWN EDGER- FiledI July 7. 1944 2,410,196 , ' 2 sheets-sheet 2 1f j " " ~ Attorneys ì Patented Get.Y 29, 1946 . UNITED .. „ „ ~. ' ASTATES " 2,410,19675' -PATENTY~ , ¿oFFlcE Í ' , _ LAWNEDGER , . I _ . ~ . f‘j'Thi's'jinvention ‘relatesto’a novel and improved lawnve'dgerßofan"electric motor walking attend- The wheels fare relativelyïsmall' so as‘ to",l dispose the?lbasel plate c_lose to the ground and said plate ant steered ‘andimaneuvered type. j i is provided _with slots'll (see Figure 2) through 'M ` ' '_ YMore „speciñcallm lthe„.invention",'comprises a which'theîupperghalf-portions'of the wheels pros low slung“'whe‘el-supporte'dtruck provided with a suitable push-pull handle and a motor driven trude and clear. Thus, the 'truck frame andall parts IIlOuIlÈed thereOIl iS permitted t0 rOCk 0n trimmer or clipper carried thereby. ` One phase of novelty is predicated upon the the horizontal axes 'provided by these bearings and axle arrangement. It is to be noted that the simple and expedient truck, this characterized by axle is supported 110V/ard the rear to provide the a horizontal base plate tiltably supported on a lo desired balance and fulcruming results. wheel-equipped axle, whereby to permit the plate A substantially disk-like adapter plate I8 is se to be rocked and shifted advantageously to accommodate the contour of the surface and to concentrate the cutting at the desired point or points. 15 cured to and rises from one longitudinal edge of the base plate and this constitutes an effective mount for the electric motor I9, Whose base 20 is appropriately secured to the plate, the motor Novelty is also predicated upon the rockable wheel-supported truck plate, this having a perpendicular adapter plate and the latter consti- overlying, in spaced relation, the base plate. For stability I provide suitable arcuate stay rods 2|, these being connected at their lower ends to the tuting a mount for the motor as well as a con- opposite edge of the base and at their upper ends venient support for the coacting cutting element 20 to the upper marginal portion of the adapter and a protective shield or fender arrangement. plate I8. ` , Other features and advantages will become Reference being had to Figure 1, it will be seen more readily apparent from the following de- ' that a yoke-like plate 22 is movably bolted as at scription and the accompanying illustrative 23 to the outer face, lower marginal portion of drawings. 25 the adapter plate. This yoke is fashioned into a In the drawings, wherein like numerals are substantially V-shaped stationary cutter blade 24 employed to designate like parts throughout the whose upper inclined edge serves to lift and feed same: and guide 'the grass into the path of rotation of Figure 1 is a side elevational view of a lawn the coacting rotatable clipper blade 25. The lat edger constructed in accordance with the prin- 30 ter is keyed centrally to the motor shaft as at 26 ciples of the present invention. and sweeps through the orbital path indicated Figure 2 is a top plan view thereoff,`with porto advantage in Figure 1. The adapter plate also tions broken away. carries a suitably ` proportioned and shaped Figure 3 is a front end elevational view of the fender-guard 27 having a flap 27' which is hing Same, 35 edly mountedin place as at 28. Figure 4 is a side elevation observing the strucIt is yet to be pointed out that the aforemen ture in a direction from right to left in Figure 3. tioned power conducting cable I2 is suitably con The truck, as a unit, is denoted by the numeral IleCted ‘50 the mOtOr aS ShOWIl ÍOI‘ SXFLIHDI@l in 5 and comprises a substantially rectangular tilta- Figures 2 and 4- ‘ ble base plateûhaving, at its inner end, an up- 40 It is believed that the mode of operation and wardly and rearwardly inclined apron 'I »stradgeneral use of the edger is reasonably clear, con dled by the furcations 8 at the lower end of the sidering the drawings in conjunction with the handle 9. The handle is of appropriate construcdescription. It is substantially fool-proof and tion, material and length and is provided at its safe and easy to use, is readily maneuverable upper end with a suitable hand-grip I0. While 45 and aptly fulñlls the requirements of the manu considering the handle it will be noted that it is facturers, tradesmen and users. provided with an appropriate socket I I to accomIt is to be noted that the self-leveling and bal -modate an extension cord (not shown), the power ancing truck is low slung but is of sufficient clear conducting cable I2 being connected'to said socket ance to enhance satisfactory and easy handling of through the medium of an appropriate and 5U the device. The motor is out-of-the-way and suitably arranged switch I3. overlies the base plate and is more or less con The axle I4 is journaled for rotation in simple hanger and bearing brackets I5 attached to the underside of the plate 6, said axle carrying the ground-engaging and transporting wheels I6. 55 ñned between the arcuate braces-or stays 2 I, these serving as guards for said motor. Moreover, since the motor is located slightly in advance of the axle I4 and the handle extends rearwardly at 2,410,196 3 said plate extending horizontally outwardly of the lower portion of the plate and projecting for device to be easily rocked about the axle as a fulcrum, thus adding to the factors of maneuvera bility and dependability and permitting the de vice to be easily guided While being pushed for Wardly. ‘ It is thought that persons skilled in the art to 4 outwardly therefrom, a stationary cutter blade on the incline shown in Figure 1, the handle and the motor counter-balance each other and permit the Cn wardly from the front end of said truck, and a rotary cutter connected with the motor shaft and operating within the confines of said guard in cooperating relation to the stationary blade. 2. A lawn edger of the class described compris ing a horizontally extending handle equipped which the invention relates Will be able to obtain „ Wheel-supported truck, a vertical adapter plate -a clear understanding of the inventionaaftercon lí) sidering the description in connection with the drawings. Therefore, a more lengthy description is regarded as unnecessary. Minor changes in the shape, size and arrange ment of details coming withinl the field lof yinven- w tion claimed may be resorted to in actual prac tice, if desired. I claim: ' f ’ h 1. A lawn edger of the class described corn prisingìa horizontally extending handle-equipped wf'ël-Isuppolrted truck, a vertical Yadapter plate ex _ending upwardly Íat one side of said truck, a tor on said -’plate extending inwardly therefrom ovérsaid truck, aguard on lsaid -plate extending extending upwardly at one side of said truck, a Ymotor on said plate extending inwardly there _from over said truck, spaced arcuate reinforcing rand ~guard braces overlying said motor connected 'between Vsaid adapter plate and truck, a guard on said plate extending outwardly therefrom, a sta tionary‘cutterblade on said plate extending hori zontally «outwardly of the lower portion of the plate and projecting forwardly from the front end of said truck, and a rotary cutter connected with the Ín'iotor . shaft >and operating ‘within vthe con ñnes of said girardin cooperating .relation ‘to the stationary blade. 'p t FREDERICKL. BENTI-IALL, SR.