![]() ![]() marker posts or bollards Supports for road signs characterised by form or by structural features, e.g. marker posts or bollards Supports for road signs E01F9/00- Arrangement of road signs or traffic signals Arrangements for enforcing caution.E01F- ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE.E01- CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES.breaking or melting member by breaking due to shear stress F16D9/06- Couplings with safety member for disconnecting, e.g.F16D9/00- Couplings with safety member for disconnecting, e.g.F16D- COUPLINGS FOR TRANSMITTING ROTATION CLUTCHES BRAKES.F16- ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS THERMAL INSULATION IN GENERAL.F- MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING.Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Dent Clifford M filed Critical Dent Clifford M Priority to US07/370,402 priority Critical patent/US4923319A/en Priority to CA002011549A priority patent/CA2011549C/en Application granted granted Critical Publication of US4923319A publication Critical patent/US4923319A/en Assigned to DENT BREAKAWAY INDUSTRIES, INC., AN ALASKAN CORPORATION reassignment DENT BREAKAWAY INDUSTRIES, INC., AN ALASKAN CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). ![]() Original Assignee Dent Clifford M Priority date (The priority date is an assumption and is not a legal conclusion. ![]() Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)ĭENT BREAKAWAY INDUSTRIES Inc AN ALASKAN Corp Dent Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US07/370,402 Inventor Clifford M. It’s unfortunate that Ryobi offers no onboard charging system that would allow you to just plug the snow blower in and know that the next time you need it all four batteries would be filled.- Google Patents US4923319A - Breakaway connectorĭownload PDF Info Publication number US4923319A US4923319A US07/370,402 US37040289A US4923319A US 4923319 A US4923319 A US 4923319A US 37040289 A US37040289 A US 37040289A US 4923319 A US4923319 A US 4923319A Authority US United States Prior art keywords breakaway connector shank flange stress point Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. We found this step easy to forget, and during one snow we realized that we had only two fully charged batteries because we hadn’t put the other ones on the charger. Like the Ego SNT2405, the Ryobi RY40870 comes with a two-port charger, but with four batteries, this means that you need to swap out the first two once they’re full. ![]() That 20-minute stretch was enough for us to do quite a bit of clearing, but the real difficulty lay in the charging. In our tests, we got close to 20 minutes with the Ryobi, short of the Ego’s 25 to 26 minutes. But the battery life with all four batteries still falls short of what we saw from the Ego’s two batteries. With all of them engaged in the snow blower, you get increased run time. The Ryobi RY40870 needs two batteries to operate, but it has room for four and comes with four. ![]()
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