Attaching arrangement for hand-held motor-driven tools

An arrangement for attaching a bar of a chain saw, to a body of the chain saw, the arrangement comprising:

• at least one first engagement device, having a first part, securely arranged to the body, and a second part extending from the body, the second part having an engagement portion for engaging at least one second engagement device;
• a cover portion adapted to bear against the bar such that the bar is arranged between the cover portion and the body;
• the at least one second engagement device, captively attached to the cover portion, wherein the second engagement device is adapted to engage the engagement portion of the first engagement device for securing a bar between the cover portion and the body, the second engagement device having a rotation axis;
• wherein the second engagement device is arranged to move a first distance along the engagement portion of the first engagement device, in a direction of the rotation axis of the second engagement device, for securing a bar between the cover portion and the body, when the first and second engagement device are not engaged, the second engagement device is captively attached to the cover portion in such a way that it is movable a second distance relative the cover portion in a direction of the rotation axis of the second engagement device, wherein the second distance is larger than the first distance,
• wherein the cover portion has an inner surface that, when the cover portion is arranged to the body, is directed towards the body, and an outer surface that, when the cover portion is arranged to the body, is directed away from the body, the cover portion further having a through aperture extending between the inner and outer surfaces for receiving the second part of the first engagement device, the cover portion further comprising at least one recess in which an attaching portion of the second engagement device is arranged for captively attaching the second engagement device to the cover portion,
• wherein at least a part of the through aperture has substantially the same cross-sectional dimension as a cross-sectional dimension of the first engagement device.

An arrangement for attaching a bar of a chain saw, to a body of the chain saw, the arrangement comprising:

• at least one first engagement device, having a first part, securely arranged to the body, and a second part extending from the body, the second part having an engagement portion for engaging at least one second engagement device;
• a cover portion adapted to bear against the bar such that the bar is arranged between the cover portion and the body;
• the at least one second engagement device, captively attached to the cover portion, wherein the second engagement device is adapted to engage the engagement portion of the first engagement device for securing a bar between the cover portion and the body, the second engagement device having a rotation axis;
• wherein the second engagement device is arranged to move a first distance along the engagement portion of the first engagement device, in a direction of the rotation axis of the second engagement device, for securing a bar between the cover portion and the body, when the first and second engagement device are not engaged, the second engagement device is captively attached to the cover portion in such a way that it is movable a second distance relative the cover portion in a direction of the rotation axis of the second engagement device, wherein the second distance is larger than the first distance,
• wherein the cover portion has an inner surface that, when the cover portion is arranged to the body, is directed towards the body, and an outer surface that, when the cover portion is arranged to the body, is directed away from the body, the cover portion further having a through aperture extending between the inner and outer surfaces for receiving the second part of the first engagement device, the cover portion further comprising at least one recess in which an attaching portion of the second engagement device is arranged for captively attaching the second engagement device to the cover portion,
• wherein the at least one recess for captively attaching the second engagement device to the cover portion is a part of the through aperture, which through aperture is arranged for receiving the first engagement device,
• wherein the recess is an outer part of the through aperture extending from the outer surface of the cover portion in a direction towards the inner surface and wherein the recess has a diameter larger than a diameter of an inner part of the aperture.

An arrangement for attaching a bar of a chain saw, to a body of the chain saw, the arrangement comprising:

• at least one first engagement device, having a first part, securely arranged to the body, and a second part extending from the body, the second part having an engagement portion for engaging at least one second engagement device;
• a cover portion adapted to bear against the bar such that the bar is arranged between the cover portion and the body;
• the at least one second engagement device, captively attached to the cover portion, wherein the second engagement device is adapted to engage the engagement portion of the first engagement device for securing a bar between the cover portion and the body, the second engagement device having a rotation axis;
• wherein the second engagement device is arranged to move a first distance along the engagement portion of the first engagement device, in a direction of the rotation axis of the second engagement device, for securing a bar between the cover portion and the body, when the first and second engagement device are not engaged, the second engagement device is captively attached to the cover portion in such a way that it is movable a second distance relative the cover portion in a direction of the rotation axis of the second engagement device, wherein the second distance is larger than the first distance,
• wherein the cover portion has an inner surface that, when the cover portion is arranged to the body, is directed towards the body, and an outer surface that, when the cover portion is arranged to the body, is directed away from the body, the cover portion further having a through aperture extending between the inner and outer surfaces for receiving the second part of the first engagement device, the cover portion further comprising at least one recess in which an attaching portion of the second engagement device is arranged for captively attaching the second engagement device to the cover portion,
• wherein the at least one recess for captively attaching the second engagement device to the cover portion is a part of the through aperture, which through aperture is arranged for receiving the first engagement device,
• wherein the cover portion has a base portion and a plate portion, wherein the plate portion is attached to the base portion by means of an attachment device, and wherein the protrusion of the cover portion is part of the plate portion.

A handheld motor driven chain saw having a body and a bar, the handheld motor driven chain saw comprising:

• at least one first engagement device, having a first part, securely arranged to the body, and a second part extending from the body, the second part having an engagement portion for engaging a second engagement device;
• a cover portion adapted to bear against the bar such that the bar is arranged between the cover portion and the body;
• at least one second engagement device, captively attached to the cover portion, wherein the second engagement device is adapted to engage the engagement portion of the first engagement device for securing a bar between the cover portion and the body, the second engagement device having a rotation axis;
• wherein the second engagement device is arranged to move a first distance along the engagement portion of the first engagement device, in a direction of the rotation axis of the second engagement device, for securing a bar between the cover portion and the body, when the first and second engagement device are not engaged, the second engagement device is captively attached to the cover portion in such a way that it is movable a second distance relative the cover portion in a direction of the rotation axis of the second engagement device, wherein the second distance is larger than the first distance,
• wherein the cover portion has an inner surface that, when the cover portion is arranged to the body, is directed towards the body, and an outer surface that, when the cover portion is arranged to the body, is directed away from the body, the cover portion further having a through aperture extending between the inner and outer surfaces for receiving the second part of the first engagement device, the cover portion further comprising at least one recess in which an attaching portion of the second engagement device is arranged for captively attaching the second engagement device to the cover portion and the at least one recess is arranged separately from the through aperture.