← Back to Patent Explorer
US3088685A Expired / Lapsed US ⏱️ 0.0 years remaining

Breaker plate structure for impact crusher and retaining means therefor

Assignee: Individual
•
Filing: 1961-06-26
•
Granted: 1963-05-07
•
Expires: 1981-06-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Thomas E Bridgewater

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 09:12
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/14; B02C13/18; B02C13/1807; B02C13/1814

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 115 words
IN AN IMPACT CRUSHING APPARATUS OF THE TYPE DESCRIBED INCLUDING A CENTRAL UPSTANDING IMPELLER STRUCTURE FOR PROJECTING MATERIAL TO BE PROCESSED OUTWARDLY THEREFROM, THE COMBINATION COMPRISING UPSTANDING CYLINDER MEANS FOR SURROUNDING THE IMPELLER STRUCTURE, A PLURALITY OF BREAKER PLATE MEMBERS ARRANGED IN A SUBSTANTIALLY CLOSED RING WITHIN SAID CYLINDER MEANS, SAID BREAKER PLATE MEMBERS HAVING OPPOSING MARGINAL PORTIONS WITH GENERALLY VERTICALLY EXTENDING OPENING MEANS THEREIN, AND GENERALLY VERTICALLY DISPOSED PIN MEMBERS, EACH OF SAID PIN MEMBERS HAVING AN ELONGATED TRANSVERSE CROSS-SECTION, MEANS SUPPORTED WITH RESPECT TO SAID CYLINDER MEANS AND PIVOTALLY SUPPORTING SAID PIN MEMBERS, SAID PIN MEMBERS EXTENDING INTO SAID OPENING MEANS FOR RETAINING SAID BREAKER PLATE MEMBERS WITH RESPECT TO SAID CYLINDER MEANS.
Claim 2
Dependent Claim 115 words
IN AN IMPACT CRUSHING APPARATUS OF THE TYPE DESCRIBED INCLUDING A CENTRAL UPSTANDING IMPELLER STRUCTURE FOR PROJECTING MATERIAL TO BE PROCESSED OUTWARDLY THEREFROM, THE COMBINATION COMPRISING UPSTANDING CYLINDER MEANS FOR SURROUNDING THE IMPELLER STRUCTURE, A PLURALITY OF BREAKER PLATE MEMBERS ARRANGED IN A SUBSTANTIALLY CLOSED RING WITHIN SAID CYLINDER MEANS, SAID BREAKER PLATE MEMBERS HAVING OPPOSING MARGINAL PORTIONS WITH GENERALLY VERTICALLY EXTENDING OPENING MEANS THEREIN, AND GENERALLY VERTICALLY DISPOSED PIN MEMBERS, EACH OF SAID PIN MEMBERS HAVING AN ELONGATED TRANSVERSE CROSS-SECTION, MEANS SUPPORTED WITH RESPECT TO SAID CYLINDER MEANS AND PIVOTALLY SUPPORTING SAID PIN MEMBERS, SAID PIN MEMBERS EXTENDING INTO SAID OPENING MEANS FOR RETAINING SAID BREAKER PLATE MEMBERS WITH RESPECT TO SAID CYLINDER MEANS.

References Cited (Backward Citations)

US1187159A Cited
US2898053A Cited
US2991949A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-05-06 1966-11-05 1967-05-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-05-06 1970-11-05 1971-05-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-05-06 1974-11-05 1975-05-07 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag