Live fire target modular support structure

• US 4,946,171 A
• Filed: 01/03/1989
• Issued: 08/07/1990
• Est. Priority Date: 01/03/1989
• Status: Expired due to Fees

• Current Assignee: Eastman Kodak Company
• Original Assignee: Eastman Kodak Company
• Inventors: Dickman, William M., Merle, Thomas C.
• Primary Examiner(s): Grieb, William H.
• Assistant Examiner(s): Harrison, Jessica J.
• Application Number:
  US07/293,781
• Time in Patent Office: 581 Days
• Field of Search: 273/348, 273/348.1, 273/371, 273/372, 273/373, 273/407, 434/16
• US Class Current: 273/348.1
• CPC Class Codes: F41J 1/00 Targets; Target stands; Target holders F41J2/00 - F41J11/00 take precedence; targets combined with bullet catchers F41J13/02
• CPC Class Codes: F41J 2/02 Active targets transmitting infrared radiation

Abstract

A modular target system support structure for use with modular target systems simultaneously provides support and electrical contact to a plurality of target modules upon mounting and securing of the same in place on the support structure. In one embodiment, the modular target system support structure includes mechanical clamps for securing the plurality of target modules in place and electrical contacts, positioned on the mechanical clamps, for making electrical contact with the target modules automatically upon mounting and securing of the same in place. Furthermore, the modular target system support structure requires no tools for mounting or replacing target modules on or off the target field.

Claims

1. A target system comprising:

a plurality of target modules, each of said modules having a dielectric support of selected shape defining a back surface with an electrically conductive strip backplane disposed on said back surface;

energizing means providing an electrical signal for passing a current through said conductive backplane of each said module so as to cause said backplane to generate a thermal image;

mechanical clamping means having oppositely disposed, relatively movable, insulated clamping surfaces for engaging and removably supporting said plurality of target modules relative to one-another so that said modules form a desired silhouette; and

means, including electrical contacts having tips protruding through said clamping surfaces, for automatically applying said electrical signal from said energizing means by contact of said tips to said conductive backplanes of said plurality of target modules when said modules are engaged by said clamping means, so as to cause said plurality of target modules to generate a thermal image in the form of said desired silhouette.

2. A target system in accordance with claim 1 wherein said mechanical clamping means comprises

a plurality of first and second plate pairs, means connecting said second plates for respective pivotal movement relative to said first plates from module unclamping positions in which said second plates are not parallel to said first plates, to module clamping positions in which said second plates are parallel to said first plates, and means for releasably locking said second plates in said clamping positions;

and

said electrical contacts are positioned on said plates to automatically make electrical contact with respective ones of said conductive backplanes on said plurality of target modules as said second plates are moved to said clamping positions to engage said target modules.

3. A target system in accordance with claim 2 wherein said clamping means further comprises a support beam and a plurality of angled end stop brackets attached to said support beam;

and wherein said first plates are fixedly attached to said support beam, said second plates are hingedly attached to said brackets, and said releasable locking means comprises a plurality of winged clamping bolts dimensioned, configured and adapted for releasably securing said target modules to said support beam.

4. A target system in accordance with claim 3, wherein said brackets are attached to said beam by fastening means permitting relative movement of said brackets in a direction normal to said first plates.

5. A target system in accordance with claim 3, wherein said clamping bolts are flexibly attached to said second plates by lanyards.

6. A target system in accordance with claim 3, wherein said electrical contacts are fixedly attached to said beam and said tips protrude through said first plates.

7. A target system in accordance with claim 6, wherein said electrical contacts comprise brass screws.

8. A target system in accordance with claim 2 wherein said means connecting said second plates further comprises means respectively connecting said second plates for relative movement also along a direction normal to said first plates.

9. A target system as in claim 1, wherein said mechanical clamping means comprises means for respectively independently engaging and removably supporting said target modules in laterally-spaced positions relative to one-another so that said modules form a desired silhouette with a gap between each module.

10. A target system comprising:

a plurality of target modules, each of said modules having a dielectric support of selected shape defining a target surface with at least one electrically conductive strip disposed on said target surface;

sensing means providing an electrical signal for generating a pulsed electrical effect on said conductive strip on each said target module so as to detect the size and location of any hits through said target module;

mechanical clamping means having oppositely disposed, relatively movable, insulated clamping surfaces for engaging and removably supporting said plurality of target modules relative to one-another so that said modules form a desired silhouette; and

means, including electrical contacts having tips protruding through said clamping surfaces, for automatically applying said electrical signal from said sensing means by contact of said tips to said conductive strips of sad plurality of target modules when said modules are engaged by said clamping means, so as to detect size and location of any hits through said plurality of target modules.

11. A target system in accordance with claim 10 wherein said mechanical clamping means comprises

a plurality of first and second plate pairs, means connecting said second plates for respective pivotal movement relative to said first plates from module unclamping positions in which said second plates are not parallel to said first plates, to module clamping positions in which said second plates are parallel to said first plates, and means for releasably locking said second plates in said clamping positions;

and

said electrical contacts are positioned on said plates to automatically make electrical contact with respective ones of said conductive strips on said plurality of target modules as said second plates are moved to said clamping positions to engage said target modules.

12. A target system in accordance with claim 11 wherein said clamping means further comprises a support beam and a plurality of angled end stop brackets attached to said support beam;

and wherein said first plates are fixedly attached to said support beam, said second plates are hingedly attached to said brackets, and said second releasable locking means comprises a plurality of winged clamping bolts dimensioned, configured and adapted for releasably securing said target modules to said support beam.

13. A target system comprising:

a plurality of target modules, each of said target modules having a dielectric support of selected shape defining mutually parallel target and back surfaces, a plurality of electrically conductive strips disposed on said target surface in generally parallel, spaced relationship, and a conductive backplane disposed on said back surface;

sensing means providing an electrical signal for generating a pulsed electrical effect on said conductive strips on each said target module so as to detect the size and location of any hits through said target module;

energizing means providing an electrical signal for passing a current through said conductive backplane of each said module so as to cause said backplane to generate a thermal image;

mechanical clamping means having oppositely disposed, relatively movable, insulated clamping surfaces for engaging and removably supporting said plurality of target modules relative to one-another so that said modules form a desired silhouette; and

means, including electrical contacts having tips protruding through said clamping surfaces, for automatically applying said electrical signals from said sensing means and said energizing means by contact of said tips to said plurality of target modules when said modules are engaged by said clamping means, so as to detect size and location of any hits through said plurality of target modules and so as to cause said plurality of target modules to generate a thermal image in the form of said desired silhouette, respectively.

14. A target system in accordance with claim 13 wherein said mechanical clamping means comprises

a plurality of first and second plate pairs, means connecting said second plates for respective pivotal movement relative to said first plates from module unclamping positions in which said second plates are not parallel to said first plates, to module clamping positions in which said second plates are parallel to said first plates, and means for releasably locking said second plates in said clamping positions;

and

said electrical contacts are positioned on said plates to automatically make electrical contact respectively with each of said conductive strips and each of said backplanes on said plurality of target modules as said second plates are moved to said clamping positions to engage said target modules.

15. A target system in accordance with claim 14 wherein said clamping means further comprises a support beam and a plurality of angled end stop brackets attached to said support beam;

and wherein said first plates are fixedly attached to said support beam, said second plates are hingedly attached to said brackets, and said second releasable locking means comprises a plurality of winged clamping bolts dimensioned, configured and adapted for releasably securing said target modules to said support beam.

16. In a target system having a target module with an edge, an electrically conductive strip located on said module with at least a portion adjacent said edge, and means remote from said module for providing an electrical signal, a target module support structure comprising:

a body member;

first and second oppositely disposed insulated clamping elements;

means mounting said clamping elements on said body member for selective movement of said elements toward one another to a position to engage and removably support said target module by said edge inserted between said elements;

means, connected to said signal providing means and including electrical contacts having tips located to protrude out from said clamping elements, for automatically electrically connecting said signal providing means to said strip when said elements are moved to engage said target module; and

means for releasably locking said clamping elements in said target module engaging position.

17. A target module support structure as in claim 16, wherein said body member comprises a beam, said first clamping element is fixedly attached to said beam, said electrically connecting means further comprises insulation sleeves passing through said beam, and said electrical contacts comprise contacts passing through said sleeves and having tips protruding out from said first element.

18. A target module structure as in claim 16, wherein said means mounting said clamping elements comprises means mounting said second clamping element for pivotal movement relative to said first clamping element.

19. A target module support structure as in claim 18, wherein said means mounting said second clamping element further comprises an angled bracket and means mounting said bracket to said beam for relative movement of said bracket in a direction normal to said first clamping element;

and said means mounting said second clamping element comprises means hingedly mounting said second element to said bracket.

20. A target module support structure as in claim 19, in a target system wherein said module has a hole adjacent said edge, wherein said second clamping element has a hole;

wherein said means for releasably locking comprises an externally threaded winged clamping bolt and a bolt with an internally threaded bore, said bored bolt being located on said beam and having a head protruding out from said first clamping element; and

wherein said holes and bolts are relatively dimensioned, configured and adapted so that said bolt head extends into said module hole and said winged bolt extends through said second clamping element hole to threadingly engage with said internally threaded bolt when said clamping elements are in a desired correct said target module engaging position.

21. A target module support structure as in claim 20, in a target system wherein said module further has a second hole adjacent said edge, further comprising a locator member positioned on said beam and having a locator head protruding out from said first clamping element;

and wherein said second hole and said locator head are relatively dimensioned, configured and adapted so that said locator head may be inserted into said second hole to determine said correct target module engaging position.

22. In a target system having a target module with an edge, an electrically conductive strip located on said module with at least a portion adjacent said edge, and means remote from said module for providing an electrical signal, a target module support structure comprising:

a beam;

a first clamping plate fixedly mounted on said beam;

a second clamping plate;

means mounting said second plate on said beam for selective movement pivotally and normally relative to said first plate from a module unclamping position to a module clamping position in which said target module is engaged and removably supported by said edge inserted between said plates;

means, connected to said signal providing means, for automatically electrically connecting said signal providing means to said strip when said second plate is moved to said module clamping position; and

means for releasably locking said second plate in said clamping position.

23. A target module support structure as in claim 22, in a target system wherein said module has a hole adjacent said edge, wherein said means for releasably locking comprises a fastener element protruding from one of said plates;

and wherein said hole and head are relatively dimensioned, configured and adapted so that said head will be inserted in said hole when said second plate is brought into said clamping position with said module in a desired engagement.

24. A target module support structure as in claim 23, in a target system wherein said module has a second hole adjacent said edge, further comprising a locator member having a locator head protruding from one of said plates;

and wherein said second hole and locator head are relatively dimensioned, configured and adapted so that said locator head may be inserted into said second hole to determine said desired engagement.