Parallel motion suspension device

• US 3,295,808 A
• Filed: 04/16/1965
• Issued: 01/03/1967
• Est. Priority Date: 04/16/1965
• Status: Expired due to Term

• Current Assignee: James E. Webb
• Original Assignee: James E. Webb
• Inventors: Webb, James E.
• Application Number:
  US04/448,898
• Time in Patent Office: 627 Days
• US Class Current: 248/605
• CPC Class Codes: F16C 29/00 Bearings for parts moving only linearly F16C32/06 takes precedence; incorporated in flexible shafts F16C1/28 ; parts of bearings in general and special methods for making bearings or parts thereof in general F16C33/00

Claims

1. A PARALLEL MOTION SUSPENSION MEANS, COMPRISING:

(A) A FIXED FRAME HAVING AXIALLY SPACED ENDS AND AN OPENING EXTENDING THEREBETWEEN;

(B) A FIRST AND A SECOND PAIR OF LEAF SPRINGS SECURED INTERMEDIATE THEIR EXTREMITIES TO THE ENDS OF SAID FRAME AT OPPOSITE SIDES OF SAID OPENING;

(C) A MOVABLE ELEMENT POSITIONED IN SAID OPENING;

(D) A THIRD PAIR OF LEAF SPRINGS SECURED INTERMEDIATE THEIR EXTREMITIES TO THE ENDS OF SAID MOVABLE ELEMENT, THE MEMBERS OF SAID THIRD PAIR OF LEAF SPRINGS BEING DISPOSED BETWEEN THE MEMBERS OF SAID FIRST AND SECOND PAIR OF LEAF SPRINGS, AND THE LEAF SPRINGS AT ONE END OF SAID FIXED FRAME AND MOVABLE ELEMENT NORMALLY OCCUPYING COMMON PLANES;

(E) AND A PAIR OF CONNECTING PLATES SECURED TO THE EXTREMITIES OF SAID LEAF SPRINGS TO SUPPORT SAID MOVABLE ELEMENT FREE OF THE WALLS OF SAID OPENING AND LIMIT SAID MOVABLE MEMBER TO AXIAL TRAVEL.