Journal of the Franklin InstituteFranklin Institute, 1853 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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Results 1-5 of 100
Page 12
... Springs acting upon all brake blocks by g and i . i Tie rods connecting brake blocks . k Hangers suspending brake ... spring . Operation of Brake , Fig . 1. - The car is supposed to be coupled to an engine , by the pulling bar d at c ...
... Springs acting upon all brake blocks by g and i . i Tie rods connecting brake blocks . k Hangers suspending brake ... spring . Operation of Brake , Fig . 1. - The car is supposed to be coupled to an engine , by the pulling bar d at c ...
Page 20
... spring , and levers ; the plate and spring being acted upon in such a manner by the levers , that the sash can be securely fastened , or maintained in any position by the fastener . " Claim . " What I claim as my invention is , 1st ...
... spring , and levers ; the plate and spring being acted upon in such a manner by the levers , that the sash can be securely fastened , or maintained in any position by the fastener . " Claim . " What I claim as my invention is , 1st ...
Page 21
... springs , as that its own weight shall compress the springs to a great extent , and the entire compression of them be completed by drawing the bed farther down whilst in motion , and so that the elasticity of the springs , when the bed ...
... springs , as that its own weight shall compress the springs to a great extent , and the entire compression of them be completed by drawing the bed farther down whilst in motion , and so that the elasticity of the springs , when the bed ...
Page 22
... spring catch , the spring and the projection as applied to the drill shaft , the carriage or block and the slide - ways thereof , and made to operate together , and to actuate the drill substantially in manner as herein before set forth ...
... spring catch , the spring and the projection as applied to the drill shaft , the carriage or block and the slide - ways thereof , and made to operate together , and to actuate the drill substantially in manner as herein before set forth ...
Page 30
... spring herein described , only when used in connexion with such a form and arrangement of hasp as will cause it to actuate the tumblers , and not only to throw the hasp out , but hold it thrown out and fully open , in the manner de ...
... spring herein described , only when used in connexion with such a form and arrangement of hasp as will cause it to actuate the tumblers , and not only to throw the hasp out , but hold it thrown out and fully open , in the manner de ...
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acid alumina apparatus applied arrangement Assignor axle beam blast boiler carbon carbonic acid cast iron cause cent centre centum chamber claim coal colors combination condensation connexion construction cutter cylinder diameter effect engine equivalent evaporated experiments feet fire box flues frame Franklin Institute furnace fusel oil gases heating surface hour hydrochloric acid Improvement increase india rubber indicator diagrams invention consists Journal length letters patent lever locomotive machine machinery magnesia manner manufacture Mean effective pressure means mechanical metal miles minute mode motion mould nitric acid obtained operation oxide pass patent Pennsylvania Philadelphia pipe piston pitch placed plate portion pounds present pressure produced proportion purpose quantity railway rollers screw shaft side silica slide speed spring square inch steam Stove stroke substantially as described temperature tion train tubes valve vertical vessel weight wheel wrought iron York