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2. Shaft collar - Wikipedia

   en.wikipedia.org/wiki/Shaft_collar

   Shaft collars saw few improvements until 1910 through 1911, when William G. Allen and Howard T. Hallowell, Sr, working independently, introduced commercially viable hex socket head set screws, and Hallowell patented a shaft collar with this safety-style set screw. His safety set collar was soon copied by others and became an industry standard.

3. Godiva device - Wikipedia

   en.wikipedia.org/wiki/Godiva_device

   Specifically, it was used to produce bursts of neutrons and gamma rays for irradiating test samples, and inspired development of Godiva-like reactors. [a] The radiation source within the Godiva device was a fissile metallic mass (usually highly enriched 235 U), [3] about 11.8 inches (30 cm) in diameter. This was located at the top of a 6.5-foot ...

4. Halligan bar - Wikipedia

   en.wikipedia.org/wiki/Halligan_bar

   One variant of the Halligan has a heavy sliding collar on the shaft. Once the prying end of the tool is wedged into position, the sliding "hammer" is used to force the wedge, allowing for proper seating before prying. The adze end is also assisted by using the sliding hammer to generate forced traction on a hooked cylinder.

5. Pillow block bearing - Wikipedia

   en.wikipedia.org/wiki/Pillow_block_bearing

   The block is mounted to a foundation, and a shaft is inserted, allowing the inner part of the bearing/shaft to rotate. [1] The inside of the bearing is typically 0.025 millimetres (0.001 in) larger diameter than the shaft to ensure a tight fit. [2] Set screws, locking collars, or set collars are commonly used to secure the shaft. [2]

6. Coupling - Wikipedia

   en.wikipedia.org/wiki/Coupling

   A tapered lock is a form of keyless shaft locking device [6] that does not require any material to be removed from the shaft. The basic idea is similar to a clamp coupling but the moment of rotation is closer to the center of the shaft. [ 7 ]

7. Key (engineering) - Wikipedia

   en.wikipedia.org/wiki/Key_(engineering)

   Square keys are used for smaller shafts and rectangular faced keys are used for shaft diameters over 6.5 in (170 mm) or when the wall thickness of the mating hub is an issue. Set screws often accompany parallel keys to lock the mating parts into place. [3] The keyway is a longitudinal slot in both the shaft and mating part.

8. Positive locking device - Wikipedia

   en.wikipedia.org/wiki/Positive_locking_device

   A positive locking device is a device used in conjunction with a fastener in order to positively lock the fastener. This means that the fastener cannot work loose from vibrations. The following is a list of positive locking devices: [1] A split beam nut; A castellated nut and a split pin; A hex nut or cap screw and a tab washer

9. Parking pawl - Wikipedia

   en.wikipedia.org/wiki/Parking_pawl

   The parking pawl locks the transmission's output shaft to the transmission casing by engaging a pawl (a pin) that engages in a notched wheel on the shaft, stopping it (and thus the driven wheels) from rotating. The main components of a parking pawl mechanism are the parking gear, parking pawl, actuator rod, cam collar, cam plate, pivot pin, and ...