Patent ID: 6129489
Filing Date: 2000-10-10
Classification: B23K,B23Q,B64F,Y10T

Abstract:
Apparatus for cutting one of a hole and a cavity in a wall element having a surface, the wall element being one of curved and planar, said apparatus comprising:a frame;at least one fixing device mounted on said frame, said at least one fixing device being configured for fixing said frame to the wall element;at least one carriage displaceably mounted in said frame;a plurality of support devices connected to said at least one carriage, said support devices including one of a plurality of slide elements and a plurality of roller elements, said one of a plurality of slide elements and a plurality of roller elements being configured for contacting the surface of the wall element and for facilitating movement of said at least one carriage in a first linear direction;a plurality of rectilinear, parallel first guide devices fixed in said frame, each said first guide device being configured for guiding a respective said support device in said first linear direction;a plurality of rectilinear, parallel second guide devices interconnecting said support devices;a slide displaceably mounted on said second guide devices, said slide being displaceable in a second linear direction substantially perpendicular to said first linear direction;a tool unit carried by said slide, said tool unit being configured for cutting the one of a hole and a cavity in the wall element;a guide slide displaceably mounted on a selected cooperating said first guide device, said guide slide having a pivot axis substantially parallel to said second guide devices, said guide slide being pivotally connected to a respective said support device about said pivot axis, said selected support device being displaceably mounted to said guide slide such that said selected support device is displaceable in a direction substantially perpendicular to the surface of the wall element; anda plurality of biasing devices, each said biasing device being configured for biasing said one of a plurality of slide elements and a plurality of roller elements of a respective said support device against the surface of the wall element.