Patent US3193253A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3193253A Expired / Lapsed US ⏱️ 0.0 years remaining

Load sustaining device

Assignee: Individual
•
Filing: 1963-09-27
•
Granted: 1965-07-06
•
Expires: 1983-09-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ralph A Ratcliff
  • 👤 Jr John W Sears

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 14:28
CPC Classifications
B; B65; B65D; B65D71/00; B65D71/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 256 words
A LOAD BINDING DEVICE SEPARABLE FROM THE ENDS OF ADJACENT LENGTHS OF COIL CHAIN HOLDDOWN ELEMENTS TO BE INTERCONNECTED THEREBY, SAID DEIVCE COMPRISING A CASING, A SHEAVE ROTATABLY MOUNTED IN SAID CASING, A LOAD SUSTAINING CHAIN ELEMENTS SEPARATE FROM SAID HOLDDOWN ELEMENTS ENGAGED WITH AND PASSING OVER SAID SHEAVE AND PROJECTING FROM SAID CASSING IN GENERALLY PARALLEL REACHES, A HOLDING PAWL PIVOTALLY MOUNTED ON SAID CASING ADJACENT THE FRONT THEEREOF AND NORMALLY SPRING URGED INTO ENGAGEMENT WITH SAID SHEAVE AND WITH SADI LOAD SUSTAINING ELEMENT FOR POSITIVELY PRECLUDING ROTATION OF SAID SHEAVE AND MOVEMENT OF SAID LOAD SUSTAINING ELEMENT THROUGH SAID CASING, SAID CASING ADJACENT ITS TOP HAVING A RECESS THEREIN CONTOURED TO RECEIVE ADJACENT LINKS OF ONE OF SAID HOLDDOWN ELEMENTS THEREIN, SAID RECESS ADAPTING SAID DEVICE TO BE DIRECTIVELY CONNECTED WITH SAID ONE HOLDDOWN ELEMENT SO THAT THE NEED FOR A SEPARATE HOOK AND SWIVEL ARRANGEMENT IN CONJUNCTION WITH SAID CASING IS OBVIATED, SAID RECESS BEING DEFINED BY FIRST AND SECOND COMMUNICATING CHANNEL PORTIONS, ONE OF SAID CHANNEL PORTIONS EXTENDING GENERALLY UPRIGHT IN SAID CASING AND OPENING GENERALLY TO THE TOP OF SAID CASING, THE OTHER OF SAID CHANNEL PORTIONS EXTENDING GENERALLY LATERALLY OF SAID CASING AND OPENING GENERALLY TO A SIDE OF SAID CASING IN A DIRECTION GENERALLY AWAY FROM SAID PAWL, WHEREBY SAID ONE HOLDDOWN ELEMENT MAY BE ENGAGED DIRECTLY IN SAID RECESS CHAIN SAID SIDE OF SAID CASING WITHOUT BECOMING RECESS FROM CONTACTING SAID PAWL, AND MEANS ON ONE OF SAID CHAIN RECHES ENGAGEABLE WITH THE OTHER OF SAID HOLDDOWN ELEMENTS.
Claim 2
Dependent Claim 256 words
A LOAD BINDING DEVICE SEPARABLE FROM THE ENDS OF ADJACENT LENGTHS OF COIL CHAIN HOLDDOWN ELEMENTS TO BE INTERCONNECTED THEREBY, SAID DEIVCE COMPRISING A CASING, A SHEAVE ROTATABLY MOUNTED IN SAID CASING, A LOAD SUSTAINING CHAIN ELEMENTS SEPARATE FROM SAID HOLDDOWN ELEMENTS ENGAGED WITH AND PASSING OVER SAID SHEAVE AND PROJECTING FROM SAID CASSING IN GENERALLY PARALLEL REACHES, A HOLDING PAWL PIVOTALLY MOUNTED ON SAID CASING ADJACENT THE FRONT THEEREOF AND NORMALLY SPRING URGED INTO ENGAGEMENT WITH SAID SHEAVE AND WITH SADI LOAD SUSTAINING ELEMENT FOR POSITIVELY PRECLUDING ROTATION OF SAID SHEAVE AND MOVEMENT OF SAID LOAD SUSTAINING ELEMENT THROUGH SAID CASING, SAID CASING ADJACENT ITS TOP HAVING A RECESS THEREIN CONTOURED TO RECEIVE ADJACENT LINKS OF ONE OF SAID HOLDDOWN ELEMENTS THEREIN, SAID RECESS ADAPTING SAID DEVICE TO BE DIRECTIVELY CONNECTED WITH SAID ONE HOLDDOWN ELEMENT SO THAT THE NEED FOR A SEPARATE HOOK AND SWIVEL ARRANGEMENT IN CONJUNCTION WITH SAID CASING IS OBVIATED, SAID RECESS BEING DEFINED BY FIRST AND SECOND COMMUNICATING CHANNEL PORTIONS, ONE OF SAID CHANNEL PORTIONS EXTENDING GENERALLY UPRIGHT IN SAID CASING AND OPENING GENERALLY TO THE TOP OF SAID CASING, THE OTHER OF SAID CHANNEL PORTIONS EXTENDING GENERALLY LATERALLY OF SAID CASING AND OPENING GENERALLY TO A SIDE OF SAID CASING IN A DIRECTION GENERALLY AWAY FROM SAID PAWL, WHEREBY SAID ONE HOLDDOWN ELEMENT MAY BE ENGAGED DIRECTLY IN SAID RECESS CHAIN SAID SIDE OF SAID CASING WITHOUT BECOMING RECESS FROM CONTACTING SAID PAWL, AND MEANS ON ONE OF SAID CHAIN RECHES ENGAGEABLE WITH THE OTHER OF SAID HOLDDOWN ELEMENTS.

References Cited (Backward Citations)

US333787A Cited
US810099A Cited
US2049710A Cited
US2649280A Cited
US2621020A Cited
US2704200A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-07-05 1969-01-04 1969-07-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-05 1973-01-04 1973-07-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-05 1977-01-04 1977-07-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag