Results 41 to 50 of about 10,936 (144)

Retractable tool bit having latch type catch mechanism [PDF]

open access: yes, 1993
A retractable tool bit assembly for a tool such as an allen key is presented. The assembly includes one or more spring loaded nestable or telescoping tubular sections together with a catch mechanism for capturing and holding the tool in its retracted ...
Voellmer, George
core   +1 more source

Interaponeurosis shear strain modulates behavior of myotendinous junction of the human triceps surae. [PDF]

open access: yes, 2013
Muscle fascicles insert into a sheet-like aponeurosis. Adjacent aponeuroses are structurally in contact with each other, and ultimately merge into a common tendon. Consequently, fascicle shortening in planes of tissue layers in adjacent compartments must
Edgerton, V Reggie   +4 more
core   +2 more sources

FIRST EVIDENCE OF LOST‐WAX CASTING IN THE EARLIER BRONZE AGE OF SOUTH‐EASTERN SPAIN: THE SILVER BANGLE FROM EL ARGAR, GRAVE 292

open access: yesOxford Journal of Archaeology, Volume 45, Issue 1, Page 50-67, February 2026.
Summary In 1884, one of the burials discovered at El Argar, the eponymous site of the El Argar culture, revealed the remains of a woman wearing an unusual silver bangle. This ornament appears to be the first evidence of a silver object produced by lost‐wax casting in Bronze Age Iberia and, to date, in Western Europe.
Linda Boutoille
wiley   +1 more source

Television simulation for aircraft and space flight Patent [PDF]

open access: yes, 1969
Television simulation for aircraft and space ...
Conant, J. E.
core   +1 more source

Docking system of androgynous and peripheral type [PDF]

open access: yes, 1972
Soviet and American space engineers have proceeded with creating compatible means for closing and docking spacecraft. It was decided to make a new advanced docking system of a peripheral and androgynous type.
Syromyatnikov, V. S.
core   +1 more source

Experience with Geared Propeller Drives for Aviation Engines [PDF]

open access: yes
I. The development of the gear wheels: (a) bending stresses; (b) compressive stresses; (c) heating; (d) precision of manufacture. II. General arrangement of the gearing. III. Vibration in the shaft transmission.
Kutzbach, K
core   +1 more source

Design study of Self-Alining Bearingless Planetary (SABP) gear [PDF]

open access: yes
The feasibility of using the self alining, bearingless planetary (SABP) transmission in an uprated version of the OH-58 helicopter was evaluated, specific performance comparisons of this new transmission with contemporary helicopter transmission systems ...
Folenta, D. J.
core   +1 more source

Space shuttle orbiter auxiliary power unit development challenges [PDF]

open access: yes, 1985
When the flying spacecraft was approved for development, a power unit for the hydraulic system had to be developed. Unlike other systems on the orbiter, there was no precedent in earlier spacecraft for a hydraulic system nor for the power unit to drive ...
Lance, R., Weary, D.
core   +1 more source

Payload retention device [PDF]

open access: yes, 1992
A payload retention device for grappling and retaining a payload in docked position on a supporting structure in the cargo bay of a space vehicle is presented.
Monford, Leo G., Jr.
core   +1 more source

Device for coupling a first vehicle to a second vehicle [PDF]

open access: yes, 1980
A device is disclosed, carried by a first vehicle such as an orbiting space shuttle, having a plurality of contact members for engaging and holding an annular ring on a second vehicle such as an orbiting payload.
Rudmann, A. A.
core   +1 more source

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