Clamp mechanism
OwnerKenneth Gortnerinventor
Life of this patent
Estimating the term…
Abstract
A device (20) having a pair of jaws (22, 23) cooperating with a pair of threaded rods (24, 25) and which displace equally from a midpoint (36) of device (20) along threaded rods (24, 25). A spirally-wound rod (40) with sets (41, 42) of keyways rides in sets (50, 51) of keys positioned in jaws (22, 23). A center plate (44) for the rods (24, 25, 40) maintains them at a midpoint (36) for device (20). Sliding assemblies (60, 94) lock and unlock barrel nuts (71, etc.) in the jaws (22, 23) from threaded rods (24, 25). Different senses of threads for threaded rods (24, 25) extend to each side of rod (40). In another embodiment, a push handle (116) directly actuates the ‘quarter-turn’ threads in bores (122) of barrel nuts (115) into and out of engagement with threaded rods (121).
Claims32
A clamp mechanism including a pair of jaws and threaded rod members extending through said jaws,
- barrel nut means rotatably mounted in each of said jaws, said barrel nut means including body formations forming bores and on which ‘quarter-turn’ means are formed in the bores, and
- slidable assembly means mounted to said jaws for actuating said barrel nut means whereby said ‘quarter-turn’ means engage and disengage said rod members thereby locking and unlocking said threaded rod members.
A clamp mechanism including a pair of jaws and threaded rod members extending through said jaws, said jaws including radiating conically-configured slots,
- barrel nut means rotatably mounted in each of said jaws, said barrel nut means having barrel nuts and including body formations forming bores and on which ‘quarter-turn’ means are formed in the bores,
- means for maintaining equality of opening and closing from a midpoint in said clamp mechanism for said pair of jaws from and to one another along said threaded rod members, and
- means for depressing said barrel nut means fixed to said barrel nut means whereby said jaws disengage from said threaded rod members upon depressing said depressing means and engage said threaded rod members upon releasing said depressing means..
A clamp mechanism comprising
- a pair of jaws and threaded rod members extending through said jaws,
- rotatably mounted means in each of said jaws, and
- slidable assembly means mounted to said jaws for advancing and retracting said rotatably mounted means thereby respectively locking and unlocking at least one of said threaded rod members to and from at least one of said pair of jaws.
Dependencies are inferred from the claim text.