. The Street railway journal . manifested, and the maker believes that their general usethroughout the United States and Canada is assured. Thou-sands have already been distributed throughout the UnitedStates, Canada, Mexico, the Philippine Islands, etc. 57« STREET RAILWAY JOURNAL. [Vol. XXVI11. No. 15. A DETACHABLE TROLLEY POLE An invention for which important claims are made hasrecently been added to the time-saving devices of the BayonetTrolley Harp Company, of Springfield, Ohio. It is knownas a detachable trolley pole clamp and arm. The device isvery simply constructed, consisting of two p
. The Street railway journal . manifested, and the maker believes that their general usethroughout the United States and Canada is assured. Thou-sands have already been distributed throughout the UnitedStates, Canada, Mexico, the Philippine Islands, etc. 57« STREET RAILWAY JOURNAL. [Vol. XXVI11. No. 15. A DETACHABLE TROLLEY POLE An invention for which important claims are made hasrecently been added to the time-saving devices of the BayonetTrolley Harp Company, of Springfield, Ohio. It is knownas a detachable trolley pole clamp and arm. The device isvery simply constructed, consisting of two principal parts,an arm and pole clamp or base. The lower part of the armA is designed to fit any style of base, but has a trough-likeextension, defined by marginal flanges, and at the upper andlower end of this extension, and forming part of the flanges,are sets of hook-like projections oppositely directed towardeach other. The lower set of projections receive the trun-nions of an abutment collar, C- The upper set receives the. POLE studs and projections on either side of the clamp B. Thisclamp is also provided with an extension or tail piece whichis designed to pass through the opening in the abutmentcollar C, and forms a guide and support for the lock springG, which is coiled thereon and secured thereto by means of aspiral groove in another collar at the union of the tail pieceand clamp proper. When the pole clamp B is in workingposition the lock spring G rests against the abutment collarC and holds the clamp studs into engagement with the upperset of hook-like projections with a pressure of over 100 the under side of the clamp is a locking projection whichextends through the slot in the arm and engages the springsafety latch D. This safety latch is not a necessity, but aprecaution in case of backing the trolley. The pole is re-moved by holding back the latch D and pressing the poledown and forward steadily until the clamp studs disengagethe upper set of hook-like proj
Size: 1376px × 1816px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
