# US 7,077,470 B1 · Motorcycle backrest assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,077,470 B1 - Document ID: US7077470B1 - Status: Granted - Kind: B1 - Application number: 10/681,661 - Filed: 2003-10-08 - Granted: 2006-07-18 - Earliest claimed: 2002-11-21 - Inventors: Philip Strother - Web page: https://patentgrep.com/patent/US7077470B1 ## CPC - B62J 1/28: Other additional equipment, e.g. back-rests for children - B62J: CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS ## Abstract The present invention relates to a backrest, designed particularly for a BMW™ motorcycle, including a mounting bracket configured to conform to and fit between the rear edge of the driver's seat and the front edge of a passenger seat. The mounting bracket includes two ends each having a flange thereon that is secured to the motorcycle chassis with fasteners that typically fasten the passenger seat thereto. A height adjustable, hinged brace member connects a padded backrest to the mounting bracket. ## Claims ### Claim 1 A backrest assembly for a motorcycle, said motorcycle having a chassis with a driver's seat attached thereto, said driver's seat having a rear edge, said motorcycle further including a passenger's seat having a front edge adjacent said driver's seat rear edge, said passenger seat attached to said chassis with a pair of fasteners, said backrest assembly comprising: an arcuate mounting bracket having a select curvature that conforms to both the rear edge of the driver's seat and the front edge of the passenger seat, said mounting bracket attached to said chassis; a length adjustable brace member attached to said mounting bracket; a padded backrest member attached to said brace member. ### Claim 2 (depends on 1) The backrest assembly according to claim 1 wherein said backrest member is hingedly attached to said brace member. ### Claim 3 (depends on 2) The backrest assembly according to claim 2 wherein said brace member comprises: a first outer section, said outer section including an elongated slot; a second inner section slidably received within said outer section, said inner section having an aperture thereon; an attachment means received within said slot and said aperture for adjustably connecting said inner and outer sections. ### Claim 4 (depends on 3) The backrest assembly according to claim 3 further comprising a locking, angular adjustment means for fixing said backrest member at a select angle relative to said brace member. ### Claim 5 (depends on 4) The backrest assembly according to claim 4 wherein said mounting bracket includes a horizontal portion with a pair of arms angularly depending therefrom, each arm terminating at a distal end, each distal end having an aperture thereon, each of said apertures receiving one said fasteners. ### Claim 6 (depends on 4) The backrest assembly according to claim 4 wherein said mounting bracket includes a substantially vertical frame member with a pair of opposing planar support legs horizontally extending from a lower edge thereof, each of said legs terminating at a distal end, each distal end having an aperture thereon, each aperture receiving one of said fasteners, said frame member further including a top edge with a backrest support structure angularly extending therefrom, said backrest member attached to said backrest support structure. ### Claim 7 (depends on 6) The motorcycle backrest according to claim 6 wherein said support structure and said frame member both include a slot for accommodating a seat adjustment mechanism on said motorcycle. ### Claim 8 (depends on 4) The backrest assembly according to claim 4 wherein said locking, angular adjustment means comprises a spring biased mounting flange secured to a lower end of said brace member outer section, said mounting flange fastened to said mounting bracket; an adjustment screw adjustably engaging said spring biased flange to lock said brace member at a select angle. ### Claim 9 (depends on 1) The motorcycle backrest according to claim 1 wherein said mounting bracket has two ends, each of said ends having a flange extending therefrom, each flange including an aperture for receiving one of said pair of fasteners that secure said passenger seat to simultaneously fasten the bracket and the passenger seat to the motorcycle chassis. ### Claim 10 A backrest assembly for a motorcycle, said motorcycle having a chassis with a driver's seat attached thereto, said driver's seat having a rear edge, said motorcycle further including a passenger's seat having a front edge adjacent said driver's seat rear edge, said passenger seat attached to said chassis with a pair of fasteners, said backrest assembly comprising: a mounting bracket contoured and dimensioned to concealedly fit between the rear edge of said driver's seat and the front edge of said passenger seat, said mounting bracket attached to said chassis with said fasteners; a length adjustable brace member attached to said mounting bracket, said brace member including a first outer section, said outer section including an elongated slot, a second inner section slidably received within said outer section, said inner section having an aperture thereon, an attachment means received within said slot and said aperture for adjustably connecting said inner and outer sections; a padded backrest member hingedly attached to said brace member; a locking, angular adjustment means for fixing said backrest member at a select angle relative to said brace member, said locking, angular adjustment means including a spring-biased mounting flange secured to a lower end of said brace member outer section, said mounting flange fastened to said mounting bracket, an adjustment screw adjustably engaging said spring-biased flange to lock said brace member at a select angle. ### Claim 11 (depends on 10) The backrest assembly according to claim 10 wherein said bracket has a select curvature, said curvature corresponding to an arcuate contour of the rear edge of the driver's seat and the front edge of said passenger seat.