IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0323405
(2002-12-18)
|
발명자
/ 주소 |
- Shea, Raymond
- Cooley, Jeff
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
14 인용 특허 :
4 |
초록
▼
The present invention provides a unique recreational vehicle in the form of a powered snow board for traversing snow-covered or wet, sandy surfaces. The motorized vehicle has a front board similar in size and shape to a conventional snow board. The board carries bindings in which the rider may step
The present invention provides a unique recreational vehicle in the form of a powered snow board for traversing snow-covered or wet, sandy surfaces. The motorized vehicle has a front board similar in size and shape to a conventional snow board. The board carries bindings in which the rider may step onto so the rider can maneuver the board in a manner similar to that of a conventional snow board. The rear drive unit has a motor which powers a flexible track having a tread similar to the tread utilized on snow mobiles. The tread is carried on a swing arm assembly which is biased into the snow surface but will pivot to absorb bumps and to provide tracking and control. The rear drive unit is connected to the rear of the snow board by a pivot connection which allows the front board to be maneuvered by the rider while being powered by the drive unit. Turns are initiated with the rider's toe and heel and completed by the steering system. A tiller-type steering arrangement operates through a mechanical linkage to assist in controlling the board. The upper end of the tiller carries the motor throttle controls and brake control at a location convenient to the rider.
대표청구항
▼
The present invention provides a unique recreational vehicle in the form of a powered snow board for traversing snow-covered or wet, sandy surfaces. The motorized vehicle has a front board similar in size and shape to a conventional snow board. The board carries bindings in which the rider may step
The present invention provides a unique recreational vehicle in the form of a powered snow board for traversing snow-covered or wet, sandy surfaces. The motorized vehicle has a front board similar in size and shape to a conventional snow board. The board carries bindings in which the rider may step onto so the rider can maneuver the board in a manner similar to that of a conventional snow board. The rear drive unit has a motor which powers a flexible track having a tread similar to the tread utilized on snow mobiles. The tread is carried on a swing arm assembly which is biased into the snow surface but will pivot to absorb bumps and to provide tracking and control. The rear drive unit is connected to the rear of the snow board by a pivot connection which allows the front board to be maneuvered by the rider while being powered by the drive unit. Turns are initiated with the rider's toe and heel and completed by the steering system. A tiller-type steering arrangement operates through a mechanical linkage to assist in controlling the board. The upper end of the tiller carries the motor throttle controls and brake control at a location convenient to the rider. t are mixed in accordance with step (f) in a weight ratio of said liquid hardenable resin component to said liquid hardening agent component in the range of from about 99:1 to about 90:10.5. The method of claim 1 wherein said hardenable resin in said liquid hardenable resin component is an organic resin comprising at least one member selected from the group consisting of bisphenol A-epichlorohydrin resin, polyepoxide resin, novolak resin, polyester resin, phenol-aldehyde resin, urea-aldehyde resin, furan resin, urethane resin, glycidyl ether and mixtures thereof.6. The method of claim 1 wherein said hardenable resin in said liquid hardenable resin component is comprised of bisphenol A-epichlorohydrin resin.7. The method of claim 1 which further comprises a solvent for said resin in said liquid hardenable resin component.8. The method of claim 7 wherein said solvent for said resin in said liquid hardenable resin component comprises at least one member selected from the group consisting of dipropylene glycol methyl ether, dipropylene glycol dimethyl ether, dimethyl formamide, diethyleneglycol methyl ether, ethyleneglycol butyl ether, diethyleneglycol butyl ether, propylene carbonate, d'limonene and fatty acid methyl esters.9. The method of claim 7 wherein said solvent for said resin is comprised of dipropylene glycol methyl ether.10. The method of claim 1 wherein said hardening agent in said liquid hardening agent component comprises at least one member selected from the group consisting of amines, aromatic amines, polyamines, aliphatic amines, cyclo-aliphatic amines, amides, polyamides, diethyltoluenediamine 4,4′-diaminodiphenyl sulfone, 2-ethyl-4-methyl imidazole and 1,1,3-trichlorotrifluoroacetone.11. The method of claim 1 wherein said hardening agent in said liquid hardening agent component is comprised of 4,4′-diaminodiphenyl sulfone.12. The method of claim 1 wherein said liquid hardening agent component further comprises a silane coupling agent selected from the group consisting of N-2-(aminoethyl)-3-aminopropyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane and n-beta-(aminoethyl)-gamma-aminopropyltrimethoxysilane.13. The method of claim 12 wherein said silane coupling agent is n-beta-(aminoethyl)-gamma-aminopropyltrimethoxysilane.14. The method of claim 1 wherein said liquid hardening agent component further comprises a hydrolyzable ester for breaking gelled fracturing fluid films on said proppant particles selected from the group consisting of a mixture of dimethylglutarate, dimethyladipate and dimethylsuccinate, sorbitol, catechol, dimethylthiolate, methyl salicylate, dimethyl salicylate, dimethyl succinate and ter-butylhydroperoxide.15. The method of claim 14 wherein said hydrolyzable ester for breaking gelled fracturing fluid films on said proppant particles is a mixture of dimethylglutarate, dimethyladipate and dimethylsuccinate.16. The method of claim 1 wherein said liquid hardening agent component further comprises a surfactant for facilitating the coating of said hardenable resin on said proppant particles and for causing said hardenable resin to flow to the contact points between adjacent resin coated proppant particles selected from the group consisting of an ethoxylated nonyl phenol phosphate ester, mixtures of one or more cationic surfactants and one or more non-ionic surfactants and a C12-C22alkyl phosphonate surfactant.17. The method of claim 16 wherein said surfactant for facilitating the coating of said hardenable resin on said proppant particles and for causing said hardenable resin to flow to the contact points between adjacent resin coated proppant particles is a C12-C22alkyl phosphonate surfactant.18. The method of claim 1 wherein said liquid hardening agent component further comprises a liquid carrier fluid selected from the group consisting of dipropylene glycol methyl ether, dipropylene glycol dimethyl ether, dimethyl formamide, diethyleneglycol methyl ether, ethyleneglycol butyl ether, dieth
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