DE524660C - Transportable, motor-driven chain saw for processing beams - Google Patents

Description

The invention relates to a transportable, motor-driven chainsaw for processing beams. The characteristic of the invention is that the stand, which in a known manner resiliently supports the motor, is seated on a circular foot which is rotatably arranged in the pedestal placed on the bar and which can be tilted about a shaft arranged vertically above and to the bar and in its longitudinal direction is displaceable, it being highlighted or as special feature that the cutting chain is supported so that the nearby the center of the circular foot Fräskettenseite at a pivoting of the motor about 90 ⁰ cutting out a corner with sharp edges. In the drawings, the invention is shown in an exemplary embodiment, where:

ao Fig. ι the front view of the workers' position opposite side,

Fig. 2 is the top view of Fig. 1, with the motor omitted for clarity is,

Fig. 3 shows the side view of Fig. 1, but without the part of the pedestal lying behind the section line AB , which for the sake of clarity is shown in FIG

Fig. 4 is also shown in side view after the section AB of Fig. 2,

Fig. 5 shows the plan of the milling chain on an enlarged scale for clear identification their fulcrum.

The motor α , which is provided with suitable handles, is vertically displaceable on the two columns b and V, which are fastened in the eyes c and c ¹ , which sit on the annular foot d. This foot d is rotatably arranged in the circular part e of the base f , which can be tilted in its guide eye g on the shaft h and is displaceable in the longitudinal direction thereof, the upwardly inclined handle i attached to the base serving for easy mobility.

The angular stop k is mounted displaceably and lockable on the shaft h , while the angle / is fixed on the shaft h and designed as a carrier for the clamping device, which consists of the pressure plate m under the action of a spring and the eccentric lever η , which is connected to the Foot is moved.

The circular part e of the base / is provided with the necessary graduation to enable the setting pointer 0

The circular foot d can be easily and precisely adjusted to the required angle.

A particularly important feature of the

Hand chain saw is still that the milling chain p is mounted or arranged on the annular foot d so that when this foot d is rotated in the annular part e of the base / the milling chain / 'either rotates around one of its longitudinal edges q or q ¹ ,

ίο which must coincide with the center of the foot d , or the arrangement of the milling chain can be such that the outer sides r, s, t have the same distance from the center of the circular foot d , so that when the motor is swiveled by 90 ⁰ a sharp rectangle is sawn out at any time.

When sawing off Schiftern, instead of the base f, a shaft (not shown) that can be pivoted in a horizontal plane is placed on the shaft h , on which the hand chain saw is guided so as to be displaceable in the longitudinal direction.

Claims (2)

Patent claims: ■ ■ i. Transportable, motor-driven chainsaw for processing beams, characterized in that the stand carrying the motor is seated on an annular foot which is rotatably arranged in the base placed on the beam and provided with the required graduation, and that the milling chain or the this driving motor is mounted in such a way that when the foot (dl) is rotated, the milling chain either rotates around one of its longitudinal edges (q or q ¹ ) or that it rotates around the point that is determined by the milling chain edges (r, s, i ) has the same distance. 2. Chainsaw according to claim 1, characterized characterized in that the 'pedestal lying on the beam by a perpendicular to and above the beam, arranged, horizontally lying shaft tiltable and in whose longitudinal direction is slidably mounted. For this purpose ι sheet of drawings