← Back to Patent Explorer
US4436622A Expired / Lapsed US ⏱️ 0.0 years remaining

Eductor truck

Assignee: Metro Hoist and Body Co Inc
•
Filing: 1983-03-24
•
Granted: 1984-03-13
•
Expires: 2003-03-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract An eductor truck for removing debris from catch basins which is provided with adequate storage facilities, improved safety features and improved door opening features.

Inventors

  • 👤 Anthony V. Petretti

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 20:02
CPC Classifications
E; E03; E03F; E03F7/00; E03F7/10; B; B01; B01D; B01D29/00; B01D29/01; B01D29/03; B01D29/62; B01D29/70; B01D29/96; E03F7/103; B01D2201/00; B01D2201/10; B01D2201/30

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 286 words
An eductor truck comprising a frame, a settling tank pivotally mounted on said frame, said settling tank having an eductor unit thereon, storage unit means mounted on said frame on each side of said settling tank, means for lifting said settling tank relative to said frame and between said storage means whereby the storage means will not interfere with said lifting operation, said lifting means comprising hydraulic means mounted beneath said settling tank and between said storage means, a walkway located above each of said storage means, a control valve mounted on said settling tank for operating said eductor unit, said control valve being operable from a point remote from its position on the settling tank, a hydraulic motor mounted adjacent the settling tank to operate the control valve, the hydraulic motor being remotely controlled, said settling tank having a rear door which is pivotally mounted to open, holding devices mounted around the door to hold the door closed and releasable latch means being provided to prevent the door from being opened after the holding devices are removed, said latch means comprising a latch arm movable from a position against the door to hold the door closed to a position away from the door to allow the door to swing open, said latch arm being hydraulically operated by a hydraulic motor from a position beneath the settling tank, said hydraulic motor being mounted on and depending from said settling tank and located between said storage means and a pivotally mounted, telescopically extendable tank supporting means mounted on said frame forward of said settling tank movable to a position beneath the settling tank when it is tilted to hold the tank up should said hydraulic motor fail.
Claim 2
Dependent Claim 286 words
An eductor truck comprising a frame, a settling tank pivotally mounted on said frame, said settling tank having an eductor unit thereon, storage unit means mounted on said frame on each side of said settling tank, means for lifting said settling tank relative to said frame and between said storage means whereby the storage means will not interfere with said lifting operation, said lifting means comprising hydraulic means mounted beneath said settling tank and between said storage means, a walkway located above each of said storage means, a control valve mounted on said settling tank for operating said eductor unit, said control valve being operable from a point remote from its position on the settling tank, a hydraulic motor mounted adjacent the settling tank to operate the control valve, the hydraulic motor being remotely controlled, said settling tank having a rear door which is pivotally mounted to open, holding devices mounted around the door to hold the door closed and releasable latch means being provided to prevent the door from being opened after the holding devices are removed, said latch means comprising a latch arm movable from a position against the door to hold the door closed to a position away from the door to allow the door to swing open, said latch arm being hydraulically operated by a hydraulic motor from a position beneath the settling tank, said hydraulic motor being mounted on and depending from said settling tank and located between said storage means and a pivotally mounted, telescopically extendable tank supporting means mounted on said frame forward of said settling tank movable to a position beneath the settling tank when it is tilted to hold the tank up should said hydraulic motor fail.

References Cited (Backward Citations)

US1345531A Cited
US2010538A Cited
US3317049A Cited
US4308139A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-03-13 1987-09-12 1988-03-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-03-13 1991-09-12 1992-03-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-03-13 1995-09-12 1996-03-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag