Implements or apparatus for applying pushing or pulling force – Portable implements or apparatus for tensioning flexible... – Material comprises resilient floor covering
Patent
1986-01-10
1990-06-19
Jillions, John M.
Implements or apparatus for applying pushing or pulling force
Portable implements or apparatus for tensioning flexible...
Material comprises resilient floor covering
248408, 403108, 403330, A47G 2704, F16B 710, F16D 100
Patent
active
049346580
ABSTRACT:
A locking mechanism for extendible telescoping tubular members formed with radial, axially aligned openings. The locking mechanism comprises a hollow housing that surrounds the exterior wall of the outer tubular member. The housing is adapted for movement in the axial direction of the telescoping tubular members along the exterior wall of the outer tubular member. Disposed within the housing is at least one spring loaded lever that pivots about a fulcrum in the housing. Fixed to the opposite end portions of the lever, respectively, are oppositely directed plungers. When the radial openings of the telescoping tubular members are in register, the locking plunger enters the registered openings to restrain axial displacement between the telescoping tubular members. When it is desired to vary the overall length of the telescoping tubular members, the lever actuating plunger is depressed to remove the locking plunger from the registered openings against the urgency of the spring and the telescoping tubular members are displaced axially relative to one another. The actuating plunger is released after the desired overall length for the telescoping tubular member is reached. Thereupon, one of the telescoping members is moved axially relative to the other tubular member until the locking plunger enters registered openings of the telescoping tubular members under the urgency of the spring to restrain axial displacement between the telescoping tubular members.
REFERENCES:
patent: 213226 (1879-03-01), McDermott
patent: 321101 (1885-06-01), Graef
patent: 451285 (1891-04-01), Windlund
patent: 475273 (1892-05-01), Farren
patent: 487544 (1892-12-01), Simon
patent: 493111 (1893-03-01), Parsons
patent: 691050 (1902-01-01), Dronne
patent: 1027914 (1912-05-01), Seybold
patent: 1045358 (1912-11-01), Aragall
patent: 1534759 (1925-04-01), Betterley
patent: 1726372 (1927-03-01), Stoll
patent: 2108506 (1983-02-01), Owens
patent: 2124842 (1938-07-01), Zierold et al.
patent: 2160134 (1939-05-01), Fanning
patent: 2605987 (1952-08-01), Brown et al.
patent: 2682414 (1954-06-01), Richardson
patent: 3207474 (1965-09-01), Silva
patent: 3374023 (1968-03-01), Hill et al.
patent: 3441252 (1969-04-01), Koppelmans
patent: 3572800 (1971-03-01), Graziano
patent: 3692278 (1972-09-01), Payson
patent: 3693936 (1972-09-01), Payson
patent: 3752440 (1973-08-01), Ream
patent: 3791624 (1974-02-01), Payson
patent: 3866964 (1975-02-01), Prater
patent: 3917225 (1975-11-01), Payson
patent: 4076213 (1978-02-01), Payson
patent: 4230302 (1980-10-01), Crain, Jr.
Berg Marvin
Grachek Bruce
Jillions John M.
Wiseman Jack M.
LandOfFree
Locking mechanism for extendible telescoping tubular members does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Locking mechanism for extendible telescoping tubular members, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Locking mechanism for extendible telescoping tubular members will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2255340