Strip-map-preparation device including a cutter and work-holder combination

Claim 1

A device for preparing a map strip, the device comprising: a first elongated base member, a second elongated guide and clamping member, means for operatively connecting the second member to the first member so that the second member may be positioned in a contiguous relation to the first member to effectively clamp therebetween a map-bearing sheet, the second clamping member being of a clear plastic material so that a proposed flight track for an aircraft may be viewed on the clamped map-bearing sheet through the clear plastic second member, a protractor carried on the outer surface of the second member, said protractor including a first element of a clear plastic material having a semicircular outer surface with a straight edge extending in alignment with the proposed flight track of the aircraft as viewed on the clamped map-bearing sheet through the clear plastic materials of said first element and said second member, a second element having a circular inner surface slidably mounted on the semicircular outer surface of the first element, the semicircular outer surface of the first element and the circular inner surface of the second element being of a corresponding radii with concentric center points on said proposed flight track of the aircraft and said concentric center points being adapted to coincide with a proposed start point for the flight track of the aircraft as viewed on the clamped map-bearing sheet through the clear plastic material of the first element of the protractor, the second element of the protractor having indicia thereon and being angularly adjustable to measure the angular relation of the proposed flight track of the aircraft relative to a north grid line appearing on the clamped map-bearing sheet, the first base member including spaced longitudinally extending parallel guide means which may be oriented in a spaced parallel relation to the proposed flight track for guiding a cutting tool to effectively sever the map-bearing sheet in such a manner as to prepare said map strip of a predetermined width along the proposed flight track of the aircraft, the spaced longitudinally extending parallel guide means of the first base member includes a pair of spaced longitudinally extending parallel guide slits provided in said first base member, the second guide and clamping member includes a pair of longitudinally extending parallel slots provided therein in coinciding relation with said parallel guide slits so as to permit the cutting tool to be inserted through said slots into said guide slits to effectively sever the map-bearing sheet in such a manner as to prepare said map strip of a predetermined width along the proposed flight track of the aircraft, and the cutting tool including a knife blade having a cutting edge freely rotatable in one of the slits upon the knife blade being inserted through the coinciding slot into said one slit and said knife blade thereafter being drawn along said first base member, the mapbearing sheet being thereupon effectively severed by the rotating cutting edge of the knife blade.

Claim 2

A device for preparing a map strip, the device comprising: a first elongated base member, a second elongated guide and clamping member, means for operatively connecting the second member to the first member so that the second member may be positioned in a contiguous relation to the first member to effectively clamp therebetween a map-bearing sheet, the second clamping member being of a clear plastic material so that a proposed flight track for an aircraft may be viewed on the clamped map-bearing sheet through the clear plastic second member, a protractor carried on the outer surface of the second member, said protractor including a first element of a clear plastic material having a semicircular outer surface with a straight edge extending in alignment with the proposed flight track of the aircraft as viewed on the clamped map-bearing sheet through the clear plastic materials of said first element and said second member, a second element having a circular inner surface slidably mounted on the semicircular outer surface of the first element, the semicircular outer surface of the first element and the circular inner surface of the second element being of a corresponding radii with concentric center points on said proposed flight track of the aircraft and said concentric center points being adapted to coincide with a proposed start point for the flight track of the aircraft as viewed on the clamped map-bearing sheet through the clear plastic material of the first element of the protractor, the second element of the protractor having indicia thereon and being angularly adjustable to measure the angular relation of the proposed flight track of the aircraft relative to a north grid line appearing on the clamped map-bearing sheet, the first base member including spaced longitudinally extending parallel guide means which may be oriented in a spaced parallel relation to the proposed flight track for guiding a cutting tool to effectively sever the map-bearing sheet in such a manner as to prepare said map strip of a predetermined width along the proposed flight track of the aircraft, the spaced longitudinally extending parallel guide means of the first base member includes a pair of spaced longitudinally extending parallel guide slits provided in said first base member, the second guide and clamping member includes a pair of longitudinally extending parallel slots provided therein in coinciding relation with said parallel guide slits so as to permit the cutting tool to be inserted through said slots into said guide slits to effectively sever the map-bearing sheet in such a manner as to prepare said map strip of a predetermined width along the proposed flight track of the aircraft, and the cutting tool including a knife blade having a cutting edge freely rotatable in one of the slits upon the knife blade being inserted through the coinciding slot into said one slit and said knife blade thereafter being drawn along said first base member, the mapbearing sheet being thereupon effectively severed by the rotating cutting edge of the knife blade.

Claim 3

A device for preparing a map strip, one device comprising: a first elongated base member, a second elongated guide and clamping member, means for operatively connecting the second member to the first member so that the second member may be positioned in a contiguous relation to the first member to effectively clamp therebetween a map-bearing sheet, the second clamping member being of a clear plastic material so that a proposed flight track for an aircraft may be viewed on the clamped map-bearing sheet through the clear plastic second member, the first base member iNcluding spaced longitudinally extending parallel guide means which may be oriented in a spaced parallel relation to the proposed flight track for guiding a cutting tool to effectively sever the map-bearing sheet in such a manner as to prepare said map strip of a predetermined width along the proposed flight track of the aircraft, the elongated second member having a guide line inscribed thereon and extending longitudinally in a parallel spaced relation to the longitudinally extending parallel guide means, the map-bearing sheet being adapted to be oriented between the first and second members so as to align the proposed flight track viewed on the clamped map-bearing sheet through the clear plastic second member with the guideline, one guide means being thereupon so oriented as to guide the cutting tool so as to effectively sever the map-bearing sheet in such a manner as to prepare said map strip of a predetermined width along the proposed flight track of the aircraft, the first elongated base member having a pair of longitudinally extending parallel slits, the second elongated guide and clamping member having a pair of longitudinally extending parallel slots arranged in coinciding relation with the pair of longitudinally extending parallel slits of the first base member, the parallel slots of the second member extending parallel to the guide line inscribed on the elongated second member and permitting access of the cutting tool into the parallel extending coinciding slits of the first member, the parallel extending longitudinal slits of the first member providing the means for guiding the cutting tool to effectively sever the map-bearing sheet in such a manner as to prepare said map strip of a predetermined width along the proposed flight track of the aircraft, and the cutting tool including a circular knife blade having a cutting edge freely rotatable in at least one of the slits and movable longitudinally on the first base member for effectively rotating the cutting edge so that the map-bearing sheet may be effectively severed by the rotatable cutting edge of the circular knife blade.

Claim 4

A device for preparing a map strip, one device comprising: a first elongated base member, a second elongated guide and clamping member, means for operatively connecting the second member to the first member so that the second member may be positioned in a contiguous relation to the first member to effectively clamp therebetween a map-bearing sheet, the second clamping member being of a clear plastic material so that a proposed flight track for an aircraft may be viewed on the clamped map-bearing sheet through the clear plastic second member, the first base member iNcluding spaced longitudinally extending parallel guide means which may be oriented in a spaced parallel relation to the proposed flight track for guiding a cutting tool to effectively sever the map-bearing sheet in such a manner as to prepare said map strip of a predetermined width along the proposed flight track of the aircraft, the elongated second member having a guide line inscribed thereon and extending longitudinally in a parallel spaced relation to the longitudinally extending parallel guide means, the map-bearing sheet being adapted to be oriented between the first and second members so as to align the proposed flight track viewed on the clamped map-bearing sheet through the clear plastic second member with the guideline, one guide means being thereupon so oriented as to guide the cutting tool so as to effectively sever the map-bearing sheet in such a manner as to prepare said map strip of a predetermined width along the proposed flight track of the aircraft, the first elongated base member having a pair of longitudinally extending parallel slits, the second elongated guide and clamping member having a pair of longitudinally extending parallel slots arranged in coinciding relation with the pair of longitudinally extending parallel slits of the first base member, the parallel slots of the second member extending parallel to the guide line inscribed on the elongated second member and permitting access of the cutting tool into the parallel extending coinciding slits of the first member, the parallel extending longitudinal slits of the first member providing the means for guiding the cutting tool to effectively sever the map-bearing sheet in such a manner as to prepare said map strip of a predetermined width along the proposed flight track of the aircraft, and the cutting tool including a circular knife blade having a cutting edge freely rotatable in at least one of the slits and movable longitudinally on the first base member for effectively rotating the cutting edge so that the map-bearing sheet may be effectively severed by the rotatable cutting edge of the circular knife blade.

Claim 6

A device for preparing a map strip, the device comprising: a first elongated base member, a second elongated guide and clamping member, means for operatively connecting the second member to the first member so that the second member may be positioned in a contiguous relation to the first member to effectively clamp therebetween a map-bearing sheet, the second clamping member being of a clear plastic material so that a proposed flight track for an aircraft may be viewed on the clamped map-bearing sheet through the clear plastic second member, the first base member including a pair of spaced longitudinally extending parallel guide slits provided therein, the second guide and Clamping member including a pair of longitudinally extending parallel slots provided therein in coinciding relation with said parallel guide slits in the first base member, the second member including a guideline inscribed thereon and extending longitudinally in a parallel spaced relation to the longitudinally extending parallel slots, the map-bearing sheet being adapted to be oriented and clamped between the first and second members so as to align the proposed flight track viewed on the clamped map-bearing sheet through the clear plastic second member with the guideline, a cutting tool including a circular knife blade having a cutting edge and an outwardly flared wedge portion, the knife blade and flared wedge portion thereof being adapted to be inserted through one of the slots in said second member so as to permit the circular knife blade to be inserted into the coinciding slit in the first member, the wedge portion of the circular knife blade thereupon bearing upon edge surfaces of the first member defining the slit therein so as to rotate the cutting edge of the circular knife blade freely in the slit upon the circular knife blade being drawn in the slit along the first member by an operator so as to effectively sever the map-bearing sheet clamped between the first and second members along a cutting line a predetermined width from the proposed flight track of the aircraft.

Claim 7

A device for preparing a map strip, the device comprising: a first elongated base member, a second elongated guide and clamping member, means for operatively connecting the second member to the first member so that the second member may be positioned in a contiguous relation to the first member to effectively clamp therebetween a map-bearing sheet, the second clamping member being of a clear plastic material so that a proposed flight track for an aircraft may be viewed on the clamped map-bearing sheet through the clear plastic second member, the first base member including a pair of spaced longitudinally extending parallel guide slits provided therein, the second guide and Clamping member including a pair of longitudinally extending parallel slots provided therein in coinciding relation with said parallel guide slits in the first base member, the second member including a guideline inscribed thereon and extending longitudinally in a parallel spaced relation to the longitudinally extending parallel slots, the map-bearing sheet being adapted to be oriented and clamped between the first and second members so as to align the proposed flight track viewed on the clamped map-bearing sheet through the clear plastic second member with the guideline, a cutting tool including a circular knife blade having a cutting edge and an outwardly flared wedge portion, the knife blade and flared wedge portion thereof being adapted to be inserted through one of the slots in said second member so as to permit the circular knife blade to be inserted into the coinciding slit in the first member, the wedge portion of the circular knife blade thereupon bearing upon edge surfaces of the first member defining the slit therein so as to rotate the cutting edge of the circular knife blade freely in the slit upon the circular knife blade being drawn in the slit along the first member by an operator so as to effectively sever the map-bearing sheet clamped between the first and second members along a cutting line a predetermined width from the proposed flight track of the aircraft.