US3344819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Table saw
Assignee: Individual
•
Filing: 1965-10-20
•
Granted: 1967-10-03
•
Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 William A Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:14
CPC Classifications
B; B27; B27B; B27B27/00; B27B27/06; B27B5/00; B27B5/16; B27B5/18; B27B5/20; B27B5/202; B27B5/205; Y; Y10; Y10T; Y10T83/00; Y10T83/748; Y10T83/7593; Y10T83/7607; Y10T83/7613; Y10T83/762; Y10T83/768; Y10T83/7684; Y10T83/7693; Y10T83/7697; Y10T83/7722; Y10T83/7726; Y10T83/773; Y10T83/7755; Y10T83/7763; Y10T83/7768; Y10T83/7772
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
378 words
A TABLE SAW COMPRISING: A TABLE INCLUDING A HORIZONTALLY DISPOSED TOP MEMBER HAVING AN ELONGATED SLOT THEREIN, A PAIR OF END MEMBERS DISPOSED IN PARALLEL, SPACED RELATIONSHIP BELOW AND CONNECTED WITH SAID TOP MEMBER, AND A PAIR OF SIDE MEMBERS DISPOSED IN PARALLEL, SPACED RELATIONSHIP BELOW SAID TOP AND CONNECTED WITH SAID END MEMBERS AND TOP MEMBER, SAID SIDE MEMBERS EACH HAVING AN ELONGATED INWARDLY FACING GUIDE SURFACE AND AN UPWARDLY FACING GUIDE SURFACE THEREON; A RECIPROCATING CARRIAGE INCLUDING A FRAME, A FIRST SET OF ROLLER MEMBERS MOUNTED ON SAID FRAME FOR ROTATION ABOUT VERTICAL AXES AND IN ENGAGEMENT WITH THE INWARDLY FACING GUIDE SURFACES ON SAID SIDE MEMBERS, A SECOND SET OF ROLLER MEMBERS MOUNTED ON SAID FRAME FOR ROTATION ABOUT HORIZONTAL AXES AND IN ENGAGEMENT WITH THE UPWARDLY FACING GUIDE SURFACES ON SAID SIDE MEMBERS, SAID ROLLER MEMBERS AND GUIDE SURFACES COOPERATING TO MOUNT SAID CARRIAGE FOR RECIPROCATING MOVEMENT IN SAID TABLE PARALLEL TO SAID SLOT, A SUPPORT MEMBER PIVOTALLY CONNECTED WITH SAID FRAME, A CUTTER MEMBER ROTATABLY MOUNTED ON SAID SUPPORT MEMBER AND HAVING A PORTION THEREOF DISPOSED IN SAID SLOT, DRIVING MEANS MOUNTED ON SAID SUPPORT MEMBER AND OPERABLY CONNECTED WITH SAID CUTTER MEMBER, AND ADJUSTING MEANS MOUNTED ON SAID FRAME AND CONNECTED WITH SAID SUPPORT MEMBER TO PIVOT SAID SUPPORT MEMBER RELATIVE TO SAID FRAME; AND RECIPROCATING MEANS INCLUDING AN ELONGATED GUIDE MEMBER HAVING AN UPPER END CONNECTED WITH ONE OF SAID END MEMBERS, A FIRST LEVER HAVING A LOWER END PIVOTALLY CONNNECTED WITH THE LOWER END OF SAID GUIDE MEMBER, A SECOND LEVER HAVING AN UPPER END PIVOTALLY CONNECTED WITH SAID ONE END MEMBER, A LINK HAVING ON END PIVOTALLY CONNECTED WITH A MEDIAL PORTION OF SAID FIRST LEVER AND THE OTHER END PIVOTALLY CONNECTED WITH A MEDIAL PORTION OF SAID SECOND LEVER, SAID LINK COOPERATING WITH SAID GUIDE MEANS TO AID IN LIMITING SAID FIRST AND SECOND LEVERS TO PIVOTAL MOVEMENT IN A VERTICAL PLANE, AND A THIRD LEVER HAVING AN UPPER END PIVOTALLY CONNECTED WITH SAID FRAME AND A LOWER END PIVOTALLY CONNECTED WITH SAID SECOND LEVER, WHEREBY PIVOTAL MOVEMENT OF SAID FIRST LEVER CAUSES AN AMPLIFIED PIVOTAL MOVEMENT OF SAID THIRD LEVER TO RECIPROCATE SAID CARRIAGE IN SAID TABLE A GREATER DISTANCE THAN THE MOVEMENT OF SAID FIRST LEVER.
Claim 2
Dependent Claim
378 words
A TABLE SAW COMPRISING: A TABLE INCLUDING A HORIZONTALLY DISPOSED TOP MEMBER HAVING AN ELONGATED SLOT THEREIN, A PAIR OF END MEMBERS DISPOSED IN PARALLEL, SPACED RELATIONSHIP BELOW AND CONNECTED WITH SAID TOP MEMBER, AND A PAIR OF SIDE MEMBERS DISPOSED IN PARALLEL, SPACED RELATIONSHIP BELOW SAID TOP AND CONNECTED WITH SAID END MEMBERS AND TOP MEMBER, SAID SIDE MEMBERS EACH HAVING AN ELONGATED INWARDLY FACING GUIDE SURFACE AND AN UPWARDLY FACING GUIDE SURFACE THEREON; A RECIPROCATING CARRIAGE INCLUDING A FRAME, A FIRST SET OF ROLLER MEMBERS MOUNTED ON SAID FRAME FOR ROTATION ABOUT VERTICAL AXES AND IN ENGAGEMENT WITH THE INWARDLY FACING GUIDE SURFACES ON SAID SIDE MEMBERS, A SECOND SET OF ROLLER MEMBERS MOUNTED ON SAID FRAME FOR ROTATION ABOUT HORIZONTAL AXES AND IN ENGAGEMENT WITH THE UPWARDLY FACING GUIDE SURFACES ON SAID SIDE MEMBERS, SAID ROLLER MEMBERS AND GUIDE SURFACES COOPERATING TO MOUNT SAID CARRIAGE FOR RECIPROCATING MOVEMENT IN SAID TABLE PARALLEL TO SAID SLOT, A SUPPORT MEMBER PIVOTALLY CONNECTED WITH SAID FRAME, A CUTTER MEMBER ROTATABLY MOUNTED ON SAID SUPPORT MEMBER AND HAVING A PORTION THEREOF DISPOSED IN SAID SLOT, DRIVING MEANS MOUNTED ON SAID SUPPORT MEMBER AND OPERABLY CONNECTED WITH SAID CUTTER MEMBER, AND ADJUSTING MEANS MOUNTED ON SAID FRAME AND CONNECTED WITH SAID SUPPORT MEMBER TO PIVOT SAID SUPPORT MEMBER RELATIVE TO SAID FRAME; AND RECIPROCATING MEANS INCLUDING AN ELONGATED GUIDE MEMBER HAVING AN UPPER END CONNECTED WITH ONE OF SAID END MEMBERS, A FIRST LEVER HAVING A LOWER END PIVOTALLY CONNNECTED WITH THE LOWER END OF SAID GUIDE MEMBER, A SECOND LEVER HAVING AN UPPER END PIVOTALLY CONNECTED WITH SAID ONE END MEMBER, A LINK HAVING ON END PIVOTALLY CONNECTED WITH A MEDIAL PORTION OF SAID FIRST LEVER AND THE OTHER END PIVOTALLY CONNECTED WITH A MEDIAL PORTION OF SAID SECOND LEVER, SAID LINK COOPERATING WITH SAID GUIDE MEANS TO AID IN LIMITING SAID FIRST AND SECOND LEVERS TO PIVOTAL MOVEMENT IN A VERTICAL PLANE, AND A THIRD LEVER HAVING AN UPPER END PIVOTALLY CONNECTED WITH SAID FRAME AND A LOWER END PIVOTALLY CONNECTED WITH SAID SECOND LEVER, WHEREBY PIVOTAL MOVEMENT OF SAID FIRST LEVER CAUSES AN AMPLIFIED PIVOTAL MOVEMENT OF SAID THIRD LEVER TO RECIPROCATE SAID CARRIAGE IN SAID TABLE A GREATER DISTANCE THAN THE MOVEMENT OF SAID FIRST LEVER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |