A door attachment method assembles a door with a high degree of accuracy. Embodiments include a primary fastening step of bolting hinges to attachment surfaces of a vehicle body; a door panel position measurement step of measuring a relative position of a door panel in an opening when a door is brought into a cantilevered state and the hinges are fastened; a loosening step of loosening the fastening; a door position correction step of moving the door within the attachment surfaces based on a measurement result in the door panel position measurement step; and a secondary fastening step of re-fastening the hinges to the attachment surfaces. Throughout the primary fastening step, the door panel position measurement step, the loosening step, the door position correction step, and the secondary fastening step, a state where clamps respectively grip the hinges to cause the hinges to abut the attachment surfaces is maintained.

Various embodiments may include a measuring device for three-dimensionally sensing elongate cut-outs comprising: an assembly for positioning and fixing on an elongate cut-out of a body; and a 3-D measuring head connectable to the assembly to be aligned with the elongate cut-out for the respective 3-D surface measurement of the elongate cut-out.

An apparatus for checking the length (H) of a chamfer (7) delimited by a first surface (5) and by an edge (S), comprises two feelers (15, 25)—movably connected to a same supporting frame (20)—and respective transducers (16,26). The transducers supply signals (T1, T2) indicative of displacements of the respective feelers along mutually perpendicular directions (Y, X). A checking method includes moving the supporting frame at a constant speed so that, during the movement, one of the feelers scans the chamfer and the other cooperates with the first surface. The signals of the respective transducers are acquired and transmitted synchronously to a processing unit (40) which processes them together with information on the mutual position of the two feelers to obtain the length of the chamfer.

In one embodiment, systems and methods include using an inspection system to remove or seal foreign object debris. An inspection system comprises a borescope; wherein a plurality of optical fibers is disposed within the borescope; a mounting system; an articulation system; and a controller, wherein the controller comprises a display; wherein a proximal end of the borescope is coupled to the mounting system, wherein the mounting system is configured to secure the inspection system to an external surface, wherein the mounting system is coupled to the articulation system, wherein the articulation system is configured to actuate the borescope, wherein the articulation system is communicatively coupled to the controller.

The present invention is a new multipurpose speed square that is easily utilized by any workman who typically requires a means for measuring, aligning, leveling, etc. The speed square is multi-functional, of simple construction, lightweight and portable. The speed square can be easily carried as an all-in-one tool and thus eliminates the need for additional tools, or the like. The speed square that can be manufactured from substantially any suitable material of engineering choice, is cost effective to produce, manufacture, easily marketed and easily sold.

A ground attachment system (1) for a tire characteristics detection unit (15).sub.7 comprises an attachment plate (2) comprising a plurality of recesses (3) distributed over the surface of the attachment plate, a plurality of frustoconical clamping rings (4), and a plurality of cylindrical guide tunnels (5) arranged in the detection unit (15), the clamping rings (4) and the guide tunnels (5) each comprising a complementary conical portion (6, 7) converging towards the attachment plate (2) when the ring (4) is in the clamping position in a tunnel (5).

A coupling element for receiving a probe tip in a probe measuring apparatus has a journal at one end with a first connecting/coupling region. A screw insert has a first connecting/coupling region at one end with a recess, in particular for connecting to the coupling element 16.The journal of the coupling element forms, on an outer surface, or the recess of the screw insert forms, on an inner surface, multiple thread segments or respectively which do not adjoin one another in a radial circumferential direction. A probe measuring apparatus includes the coupling element, the screw insert, a coupling arm/measuring shaft, and a probe insert connected to the coupling arm by way of the coupling element and the screw insert.

An automatic nut internal thread quality tester is provided. The automatic nut internal thread quality tester includes a blanking module, a clamping module, a push rod module, a thread gauge driving module, and an axial pushing module. The blanking module is configured to control the nuts to be tested be blanked in series. The clamping module is configured to clamp the to-be-tested nut. The push rod module is configured to push the to-be-tested nut into the clamping module and restrict the blanking. A thread gauge of the thread gauge driving module is driven by a motor to detect the to-be-tested nut. When a torque measured by a torque sensor is greater than a threshold value, the motor reverses the thread gauge and the axial pushing module drives the clamping module away from the thread gauge.

Embodiments of the disclosure discloses a calibration bracket. The calibration bracket includes a base, a vertical rod, a transverse force application member and a transverse force application mating member. The vertical rod is detachably mounted to the base. The transverse force application member is disposed on one of the base and the vertical rod. The transverse force application mating member is disposed on the other of the base and the vertical rod and is configured to be connected to the transverse force application member to apply, to the vertical rod, a force parallel to the base. A limiting protrusion is provided on one of the base and the vertical rod. A limiting opening is provided on the other of the base and the vertical rod. The limiting opening can allow the limiting protrusion to pass through the limiting opening and snugly abut against the limiting protrusion when the transverse force application member applies a transverse force to the vertical rod. By means of the structure described above, the vertical rod can be quickly mounted to or detached from the base. Therefore, the calibration bracket is easy to assemble and transport.

The present invention is a new multipurpose speed square that is easily utilized by any workman who typically requires a means for measuring, aligning, leveling, etc. The speed square is multi-functional, of simple construction, lightweight and portable. The speed square can be easily carried as an all-in-one tool and thus eliminates the need for additional tools, or the like. The speed square that can be manufactured from substantially any suitable material of engineering choice, is cost effective to produce, manufacture, easily marketed and easily sold.