Abstract: Aspects of the disclosure relate to grabbing, holding and releasing an object including a pull stud. For instance, a grabbing mechanism may include a piston chamber having a piston configured to move within the piston chamber when the piston chamber is pressurized. The mechanism may also include a collet attached to the piston such that the collet and piston move together when the piston moves. The collet may include a groove. The mechanism may also include ball cage including a plurality of balls arranged at least partially within respective ball chambers of the ball cage. The ball cage may be arranged at least partially within the collet such that movement of the piston and collet causes the groove to align with the respective ball chambers. The plurality of balls may be configured to move into and out of the groove and to lock the pull stud within the mechanism.
Abstract: A locking mechanism includes a lock housing and an activation shaft. The lock housing defines first and second axes, each being different than the other. The lock housing includes an inner mechanism housing wall, a hollow conduit defined by the inner mechanism housing wall, and a channel. The channel is defined by a portion of the inner mechanism housing wall and has first and second portions, where the first portion extends along the first axis and the second portion extends along the second axis. The activation shaft is at least partially surrounded by the hollow conduit and includes a shoulder protruding from the activation shaft towards the channel of the inner mechanism housing wall. In an unlock position, the shoulder is freely manipulatable within the first portion of the channel along the first axis, and in a lock position the shoulder is prevented from moving along the first axis.
August 14, 2013
Date of Patent:
October 10, 2017
The Blanchard Patent Holding Company, LLC
Abstract: A device for transporting a hollow body having a neck including an inner vertical orientation wall and a top edge, the device including elements for grasping the hollow body by engaging with the neck's inner wall, which are mounted at the bottom end of a rod and movably connected to the rod, the rod being movably mounted vertically between a high position and a low position. The grasping elements are movably mounted radially between: a retracted position, in which the grasping elements are inserted vertically, from top to bottom, inside the neck, without contact with the inner wall; and a deployed position, in which the grasping elements engage with the inner wall of the neck, wherein changing the position of the grasping elements from the retracted to the deployed position is controlled by the vertical movement toward the bottom of the rod, from the high to the low position.
Abstract: Adjustable exercise apparatus described herein include a height-adjustable handle engageable with a base structure having an internal locking mechanism. The apparatus may include interchangeable handles of varying shapes. The base may include legs and/or surface-engaging feet which can provide additional stability or additional configurations. The internal mechanism selectively locks the handle into position at different pre-defined heights and, in some forms, includes a particular bearing arrangement including a push button release and spring closing.
Abstract: A method and apparatus for running tubular(s) into a well bore for use with a top drive or power swivel comprising a make-up assembly with inner and outer members, one of which has an array of ramped or inclined surface(s) while the other is an inner or outer cage with rolling support(s) with or without a central spindle and openings which may also be referred to as tubular engagement apparatus wherein relative movement of the members urges the rolling support(s) to protrude radially through the openings to engage a tubular internally or externally. Also provided is an elevator assembly with elevator links and transfer elevators to position tubular for engagement by the make-up assembly.
Abstract: A low force release mechanism suitable for use in applications including but not limited to pinatas and dispersion devices comprising an interactive distribution of the load force to the main structure and the structure of a trap employed in the mechanism, the use of an internal spring activation element used to eliminate ordinal setup requirement; and the use of the internal geometry of the trap to lock and hold its position.
Abstract: A locking device with a solenoid release actuator includes a housing, a plunger axially slidable within the housing, a biasing member for biasing the plunger in a first direction, one or more locking balls, and the locking balls disposed in an aperture in the housing, the plunger having a portion thereof containing at least one recess for receiving the balls, a member to be locked being held in a first locked position with the plunger in a first locking position and the balls in a radially outward position, the plunger being positioned axially such that the recesses therein are not in alignment with the apertures, and a solenoid coil disposed in the housing around the plunger, for inducing a magnetic force to move the plunger against the biasing member such that the recesses align with the apertures and the balls are movable radially inward into the recesses thereby releasing the locked member.
Abstract: This invention solves problems associated with prior-art soft-dock mechanisms by placing all active components of a soft-dock system on the chaser side of the mechanism, leaving the target side of the mechanism completely passive (i.e., requiring no power expenditure or self-actuated moving parts to operate). In particular, the active components are supported on the end of a flexible cable attached to the probe, or chaser, side of the device. These components act as a sort of spring-loaded “trap.” Once the end of the probe passes into a receptacle on the target side, the mechanism is triggered, engaging it in such a way that it can no longer be pulled out of the receptacle until it is reset.
November 1, 2002
Date of Patent:
June 1, 2004
Michigan Aerospace Corporation
Pete Tchoryk, Jane Pavlich, Greg Ritter, Anthony B. Hays
Abstract: A nuclear power plant (18) and its heat exhanger (26) are enclosed in an envelope (22) which is suspended above a bored shaft (14) from a support stem (30). When appropriate, the stem (30) can be melted by a furnace (34) to drop the envelope (22) to the bottom of the shaft (14). Sand (42) can then be dropped onto the envelope (22) through a drainage pipe (46). While the nuclear power plant (18) is operating and suspended in the shaft, spent fuel rods (70) are dropped into a sand blasting machine's hopper (130), mixed with sand and dropped into a bag (134) containing a small explosive device. The bag (134) is then dropped to the bottom of the shaft (14) and the explosive detonated to scatter the contents of the bag (134). Optionally, more sand or earth is then added to reduce heat and radiation to acceptable levels.
Abstract: An interchangeable coupling is provided for removably fastening tools (2) to manipulators (3). The interchangeable coupling has two coupling parts (5, 6) with a form fit lock (7). The lock has several mobile balls (8) and a piston (11) for moving the balls. The coupling parts (5, 6) have corresponding cavities (9, 10). The cavities (9) in the tool side coupling part (5) are essentially cylindrical ball channels (30) with an oblique channel axis (31). In a locked position, these cavities (9) accommodate the blocking balls (8). The channel axis (31) preferably slopes from the robot-sided cavity (10) towards the tool side (2).
Abstract: A release link for interconnecting first and second cables, includes a cylinder having an open first end and an aperture through a second end, a collar fixed to the cylinder first end, and having an annular internal flange, and a guide washer slidably disposed in the collar second end. The link further includes a piston extending through the cylinder aperture and through the guide washer, the piston including a neck portion and a head portion disposed at a first end of the piston. A cap is connectable to the collar. Balls are adapted to be disposed adjacent the piston neck portion and radially adjacent the collar internal flange. A spring is disposed in the cylinder and biases the guide washer toward the balls. A first connector is on the cap for attachment to the first cable, and a second connector is on a second end of the piston for attachment to the second cable.
October 11, 2000
Date of Patent:
May 21, 2002
The United States of America as represented by the Secretary
of the Navy