1. An engraving and marking device, particularly for machine tools and the like, comprising a supporting member provided with a coupling which is engaged by a spindle of a machine tool, said supporting member supporting a toolbit by means of an elastic supporting means, said supporting member has an end abutting a surface to be worked by said toolbit, said abutting end being adjustable in order to set a selected distance between said abutting end and the working tip of said toolbit.
2. The device according to claim 1, wherein said supporting member comprises an external cylindrical body provided with a standardized shank.
3. The device according to claim 2, wherein said elastic supporting means comprises an internal cylindrical body, which is inserted within said external cylindrical body and accommodates said toolbit so that said toolbit can move axially within said internal cylindrical body without being able to rotate with respect to it.
4. The device according to claim 3, wherein said internal body is screwed into said external cylindrical body.
5. The device according to claim 4, wherein said toolbit can move axially within said internal cylindrical body in contrast with an elastic member.
6. The device according to claim 5, wherein said elastic member is constituted by a helical spring.
7. The device according to claim 6, wherein said helical spring has one end inserted in a threaded spring guiding ring, which is screwed onto a threaded shank of said toolbit.
8. The device according to claim 7, wherein the other end of said helical spring is inserted in a spring guiding bush, which can slide within said internal cylindrical body.
9. The device according to claim 8, wherein said spring guiding bush abuts against the end of a threaded bar, which is screwed into said shank of the device and has a recessed hexagonal key portion, which can rotate in order to adjust the preloading of said elastic member.
10. The device according to claim 3, wherein it comprises a cap which is associated at an end of said internal cylindrical body and forms said abutting end setting said distance between said end and the working tip of said toolbit.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A portable mechanics lift comprising:
a platform;
a pair of wheel channels formed on the platform for allowing a vehicle to drive onto the platform;
a vehicle lift coupled to the platform for raising and lowering the vehicle; and
a plurality of wheels rotatably coupled to the platform for moving the portable mechanics lift.
2. A portable mechanics lift in accordance with claim 1 further comprising a plurality of support legs movably coupled to the platform, the support legs being lowered to prevent the vehicle lift from toppling over when the vehicle is raised up using the vehicle lift.
3. A portable mechanics lift in accordance with claim 1 further comprising a swing arm lift rotatably coupled to the platform form lifting and moving heavy objects.
4. A portable mechanics lift in accordance with claim 1 further comprising a front end alignment stand coupled to each wheel channel for analyzing wheel alignment on the vehicle.
5. A portable mechanics lift in accordance with claim 1 further comprising a trailer hitch coupled to a front end of the platform for coupling the portable mechanics lift to a truck to move the portable mechanics lift.
6. A portable mechanics lift in accordance with claim 1 wherein the pair of wheel channels comprises:
\u201cU\u201d shaped channeling coupled to a first side and a second side of the platform, the \u201cU\u201d shaped channeling keeping tires of the vehicle straight; and
a foldable ramp coupled to the \u201cU\u201d shaped channeling, the foldable ramp placed in a lowered position to allow the vehicle to drive up onto the platform, and a raised position to prevent the vehicle from moving on the platform.
7. A portable mechanics lift in accordance with claim 1 wherein the vehicle lift comprises:
a telescoping pole member;
a plurality of arms movably coupled to the telescoping pole; and
a holding device coupled to a distal end of each of the plurality of arms, the holding device securing the arm to the vehicle.
8. A portable mechanics lift in accordance with claim 1 wherein the telescoping pole is raised and lowered by a hydraulic device.
9. A portable mechanics lift in accordance with claim 3 wherein the swing arm lift comprises:
a base pole rotatably coupled to the platform;
an arm coupled to the base pole for raising and lowering objects; and
attachment mechanism coupled to the arm for coupling the objects to the swing arm lift.
10. A portable mechanics lift comprising:
a platform;
a pair of wheel channels formed on the platform for allowing a vehicle to drive onto the platform;
a vehicle lift coupled to the platform for raising and lowering the vehicle;
a plurality of wheels rotatably coupled to the platform for moving the portable mechanics lift;
a plurality of support legs movably coupled to the platform, the support legs being lowered to prevent the vehicle lift from toppling over when the vehicle is raised up using the vehicle lift;
a swing arm lift rotatably coupled to the platform form lifting and moving heavy objects; and
a front end alignment stand coupled to each wheel channel for analyzing wheel alignment on the vehicle.
11. A portable mechanics lift in accordance with claim 10 further comprising a trailer hitch coupled to a front end of the platform for coupling the portable mechanics lift to a truck to move the portable mechanics lift.
12. A portable mechanics lift in accordance with claim 10 wherein the pair of wheel channels comprises:
\u201cU\u201d shaped channeling coupled to a first side and a second side of the platform, the \u201cU\u201d shaped channeling keeping tires of the vehicle straight; and
a foldable ramp coupled to the \u201cU\u201d shaped channeling, the foldable ramp placed in a lowered position to allow the vehicle to drive up onto the platform, and a raised position to prevent the vehicle from moving on the platform.
11. A portable mechanics lift in accordance with claim 10 wherein the vehicle lift comprises:
a telescoping pole member;
a plurality of arms movably coupled to the telescoping pole; and
a holding device coupled to a distal end of each of the plurality of arms, the holding device securing the arm to the vehicle.
12. A portable mechanics lift in accordance with claim 10 wherein the telescoping pole is raised and lowered by a hydraulic device.
13. A portable mechanics lift in accordance with claim 10 wherein the swing arm lift comprises:
a base pole rotatably coupled to the platform;
an arm coupled to the base pole for raising and lowering objects; and
attachment mechanism coupled to the arm for coupling the objects to the swing arm lift.
14. A portable mechanics lift in accordance with claim 13 wherein the swing arm lift further comprises a hydraulic device for controlling the swing arm lift.
15. A portable mechanics lift in accordance with claim 13 wherein the plurality of wheels comprises:
a first pair of wheels rotatably coupled to a first side of the platform;
a second pair of wheels rotatably coupled to a second side of the platform; and
a directional wheel rotatably coupled to a front end of the platform.