← Back to Patent Explorer
US3740498A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric current collector

Assignee: OB TRANSIT PRODUCTS Inc A CORP OF TX
•
Filing: 1971-11-17
•
Granted: 1973-06-19
•
Expires: 1991-11-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract An electric current collector for railway vehicles, having a collector shoe for running engagement with an electrical distribution rail. The current collector shoe is pivotally and resiliently mounted on a support secured to the vehicle by an elastic torsion member carried by the support which torsion member maintains the collector shoe in working engagement with the distribution rails.

Inventors

  • 👤 D Herbert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 11:55
CPC Classifications
B; B60; B60L; B60L5/00; B60L5/38; B60L2200/00; B60L2200/26

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 131 words
An electric power collector adapted to supply power to a car from an electrified distribution rail, comprising support means, a collector shoe adapted for traveling engagement with said rail, means in conjunction with said support means for carrying said shoe in pivotal relationship thereto, said shoe carrying means cooperating with an elastomeric torsion member to maintain the collector shoe in traveling engagement with said rail, and means for limiting downward movement of said collector shoe when said collector shoe is not in contact with said distribution rail, said limiting means including a substantially vertically disposed support arm extending downwardly from said shoe carrying means, said support means including a stop member adapted to engage said vertically disposed support arm when said collector shoe is not in contact with said distribution rail.
Claim 2
Dependent Claim 131 words
An electric power collector adapted to supply power to a car from an electrified distribution rail, comprising support means, a collector shoe adapted for traveling engagement with said rail, means in conjunction with said support means for carrying said shoe in pivotal relationship thereto, said shoe carrying means cooperating with an elastomeric torsion member to maintain the collector shoe in traveling engagement with said rail, and means for limiting downward movement of said collector shoe when said collector shoe is not in contact with said distribution rail, said limiting means including a substantially vertically disposed support arm extending downwardly from said shoe carrying means, said support means including a stop member adapted to engage said vertically disposed support arm when said collector shoe is not in contact with said distribution rail.
Claim 3
Dependent Claim 126 words
An electric power collector adapted to supply power to a car from an electrified distribution rail, comprising support means including two spaced elongated members of structural insulating material extending generally parallel to each other and perpendicularly from a rail car carrying the collector, a collector shoe adapted for traveling engagement with said rail, means in conjunction with said support means for carrying said shoe in pivotal relationship thereto, each of said spaced elongated members being provided with a vertically disposed opening adapted to receive said shoe carrying means and adapted to vary the position of said shoe carrying means with respect to said elongated members, said shoe carrying means cooperating with an elastomeric torsion member to maintain the collector shoe in traveling engagement with said rail.
Claim 4
Dependent Claim 126 words
An electric power collector adapted to supply power to a car from an electrified distribution rail, comprising support means including two spaced elongated members of structural insulating material extending generally parallel to each other and perpendicularly from a rail car carrying the collector, a collector shoe adapted for traveling engagement with said rail, means in conjunction with said support means for carrying said shoe in pivotal relationship thereto, each of said spaced elongated members being provided with a vertically disposed opening adapted to receive said shoe carrying means and adapted to vary the position of said shoe carrying means with respect to said elongated members, said shoe carrying means cooperating with an elastomeric torsion member to maintain the collector shoe in traveling engagement with said rail.
Claim 5
Dependent Claim 53 words
An electric power collector according to claim 2 wherein said shoe carrying means includes a shaft extending between said two spaced elongated members and is secured to said members, said shaft being non-rotatably secured to said elastomeric torsion member and extending therethrough to support said elastomeric torsion member between said spaced elongated members.
Claim 6
Dependent Claim 191 words
An electric power collector adapted to supply power to a car from an electrified distribution rail comprising a collector shoe engaged with a surface of the distribution rail for running engagement therewith, two longitudinally spaced elongated memberS of structural insulating material extending generally perpendicularly from said car, means for carrying the collector shoe between said elongated members for pivotal movement with respect thereto comprising a shaft extending longitudinally between said elongated members, an annular part of said collector shoe disposed about said shaft, an elastomeric torsion member between said shaft and said annular part for maintaining the collector shoe substantially in running engagement with said rail, each of said elongated members being provided with a substantially vertical elongated opening adapted to receive said shaft, each of said elongated members being provided with a plurality of grooves, the axes of which are normal to the major axes of said openings, a washer at each end of said shaft having a surface in contact with its associated elongated member, said surface having a plurality of grooves adapted to engage the grooves on its associated elongated member whereby said shaft location may be adjusted.
Claim 7
Dependent Claim 191 words
An electric power collector adapted to supply power to a car from an electrified distribution rail comprising a collector shoe engaged with a surface of the distribution rail for running engagement therewith, two longitudinally spaced elongated memberS of structural insulating material extending generally perpendicularly from said car, means for carrying the collector shoe between said elongated members for pivotal movement with respect thereto comprising a shaft extending longitudinally between said elongated members, an annular part of said collector shoe disposed about said shaft, an elastomeric torsion member between said shaft and said annular part for maintaining the collector shoe substantially in running engagement with said rail, each of said elongated members being provided with a substantially vertical elongated opening adapted to receive said shaft, each of said elongated members being provided with a plurality of grooves, the axes of which are normal to the major axes of said openings, a washer at each end of said shaft having a surface in contact with its associated elongated member, said surface having a plurality of grooves adapted to engage the grooves on its associated elongated member whereby said shaft location may be adjusted.

References Cited (Backward Citations)

US668711A Cited
US761432A Cited
US2201422A Cited
US2461696A Cited
US3509292A Cited
US3545737A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-06-18 1976-12-18 1977-06-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-06-18 1980-12-18 1981-06-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-06-18 1984-12-18 1985-06-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag