• 검색어에 아래의 연산자를 사용하시면 더 정확한 검색결과를 얻을 수 있습니다.
  • 검색연산자
검색연산자 기능 검색시 예
() 우선순위가 가장 높은 연산자 예1) (나노 (기계 | machine))
공백 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 예1) (나노 기계)
예2) 나노 장영실
| 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 예1) (줄기세포 | 면역)
예2) 줄기세포 | 장영실
! NOT 이후에 있는 검색어가 포함된 문서는 제외 예1) (황금 !백금)
예2) !image
* 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 예) semi*
"" 따옴표 내의 구문과 완전히 일치하는 문서만 검색 예) "Transform and Quantization"

특허 상세정보

Ladder treestand and trailer rit

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A01M-031/02   
미국특허분류(USC) 182/20 ; 182/116 ; 182/127 ; 182/129
출원번호 US-0640146 (1991-01-11)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 27  인용 특허 : 0

A ladder treestand comprises a main ladder section and an auxiliary ladder section that can be coupled to the main section on either the top or the bottom thereof to serve either as a gun rest or to alternatively increase the ladder height. In addition, a trailer kit may be used to convert the ladder treestand into a towable trailer that may be connected to a motorized vehicle. This allows the treestand to be more easily transported into and out of the hunting area, and to be used as a litter for transporting game.


A trailer kit for converting a hunting stand into a towable trailer, the hunting stand including a ladder having a pair of longitudinal side rails spanned by a plurality of longitudinally spaced, transverse ladder rungs, which comprises: (a) a transport frame having ground engaging means for decreasing friction with the ground; (b) a two frame having hitch means for connecting the tow frame to a motorized vehicle; and (c) attachment means for detachably affixing the transport frame and the tow frame to the ladder in a spaced apart orientation along the l...

이 특허를 인용한 특허 피인용횟수: 27

  1. Berkbuegler, Ronald. Cable-braced ladder tree stand. USP2014048695761.
  2. Ronald M. Hardy ; Morgan D. Hardy. Combined trailer and hunting stand operable between elevated and collapsed positions. USP2002106460653.
  3. Burton, Roger A.; Hendrickson, John R.. Convertible deer cart. USP2011067967325.
  4. Yoder, Kevin L.. Convertible treestand. USP2015099137982.
  5. Hunt Argil G. (282 Lynn Rd. Johnson City TN 37604) Hunt Randy A. (232 Lynn Rd. Johnson City TN 37604). Hunting stand and game carrier combination. USP1997015590738.
  6. Galloway, Kevin S.; Johnson, David E.. Hunting stand apparatus. USP2014088807278.
  7. Marsh, II, John E.. Hunting stand assembly. USP2014048684138.
  8. Forsberg, Kevin; White, Isaac D. M.. Ladder dolly. USP2005056896273.
  9. Furseth, Michael R.; Schamberger, Randy L.; Nickell, Scott R.; Nelson, Ben T.. Ladder stand. USP2014088794383.
  10. Meeks Paul H.. Ladder stand stabilizing device. USP2001036199660.
  11. Abraham, Richard J.. Ladder transport system. USP2003076592134.
  12. Abraham,Richard J.. Ladder transport system. USP2008047350621.
  13. Moss,N. Ryan; Bowers,Jack W.. Ladder wheel pair. USP200801D560001.
  14. Bambrough Harry M. (925 Hillcrest La. Oregon WI 53575). Ladder-based cart apparatus. USP1996105566780.
  15. Furseth, Michael R.; Schamberger, Randy L.; Nelson, Benjamin T.; Lonergan, Brendan. Load-bearing platform. USP2015048997933.
  16. Myers Timothy R.. Multiple use convertible elevated stand and cart. USP2000046053278.
  17. Filkowski, Kim Carl. Optionally extendable, runged tire-mount platform device. USP2014098844676.
  18. Morris Tony M.. Portable climbing apparatus. USP2000106138792.
  19. Seats Donald L. ; Surratt Bryan R.. Portable rifle rest for use with deer stand. USP2001066243979.
  20. McKay, Kelvin. Portable wildlife observation and hunting tower. USP2004026688429.
  21. Martin Harlan. Sports utility trailer. USP2001096290023.
  22. Schilling, Harold M.. Trailer and kit. USP2005036869093.
  23. Harmston,Terry. Tree ladder. USP2007077237649.
  24. Furseth, Michael R.; Schamberger, Randy L.; Nelson, Benjamin T.. Tree stand. USP2015038991555.
  25. Talley ; Sr. James Ray. Tree stand. USP1998085791436.
  26. Hess, Robert L.. Tree stand with cable support. USP2003026516918.
  27. Swager ; deceased William E.. Wheeled transport device. USP1999035882023.