Abstract: A vertical column has a column body extending between a first end and a second end. The column body includes a main body, a conical portion extending from the main body, and a tip portion extending from the conical portion. The vertical column includes a first helical structure extending around a portion of the main body and a second helical structure extending around a portion the tip portion.

Abstract: An animal tethering assembly for a pet includes a rod, which has a first end that is pointed. A handle is coupled to a second end of the rod and. A bar is coupled to and extends bidirectionally from the rod to define a lower segment of the rod. The bar is configured to position a foot of a user to apply a force to the rod to drive the lower segment of the rod into a substrate. A first terminus of a lead is coupled to the rod proximate to the bar, positioning a second terminus of the lead to couple to a collar that is coupled to an animal. A pair of hooks is coupled singly to the rod proximate to the first terminus of the lead and the second end of the rod. The hooks are positioned to loopedly position the lead to stow the lead.

Abstract: A locking apparatus for use with a head fixation device allows for a stabilizing fixture, such as a rocker arm having a pair of skull pins, to be selectively secured so that the stabilizing fixture can be adjustably rotated to a desired position. In some version the locking apparatus includes a connector that is retained within an opening in a portion of the head fixation device. The connector can translate within the opening and is restricted from rotation. The translating of the connector permits the connector to engage an arch member that retains the stabilizing fixture. The engagement of the connector and arch member is accomplished, in some versions, by way of matching axial oriented toothed portions or starburst features. In some versions the teeth on the starburst features include a chamfer surface.

Abstract: A multi-monitor is provided with a first display device having a display screen and a second display device having a display screen smaller than the display screen of the first display device, and a supporting mechanism which is mountable on an outside portion of the first display device, and supports the second display device rotatably about a first axis and a second axis intersecting the first axis. The first second display device is driven in accordance with the same operation system as the first display device.

Abstract: A pivotable tool includes a pair of pivotally interconnected arms disposed in a crossing relationship and having a manually releasable releasing device which locks the arms in a perpendicular open position for use of the tool as a wrench. In each of two ends of the two arms is mounted a socket. A collar is movably received between the two arms and is pushed to release a lock status by a releasing device.

Abstract: A mounting device adapted to be coupled to a portion of a bicycle to adjustably support at least one bicycle component thereon. The bicycle mounting device has a bar clamp and a support member. The bar clamp has a bar clamping portion adapted to be coupled to the portion of the bicycle and a support portion spaced from the bar clamping portion. One of the bar clamping portion and the support portion has a ball joint with a mounting bore formed therein. The support member is slidably coupled to the support portion and adapted to support at least one bicycle component thereon. In the illustrated embodiment, the ball joint is formed in the support portion for adjusting the orientation of the support member relative to the portion of the bicycle. In the illustrated embodiment, gear indicators are supported on the support portion. Of course, the mounting device can be used to support a cycle computer, a speed indicator and the like.

Abstract: An improved angle adjustable cymbal clamp mainly comprises an upper clamp sitting on a lower base and a clasping piece with a washer disposed on the upper clamp, wherein the lower base is provided with an oblique contact face formed on its top face and a cymbal rod protruded upwards at its center; a through hole is made in the upper clamp for the cymbal rod of the lower base to penetrate, and an accommodating space is preserved at a lower portion in the upper clamp. Another oblique contact face and a plurality of vertical grooves are disposed in inner wall and in ceiling of the accommodating space respectively, and a projecting piece with a vertical slit is arranged laterally to the upper clamp, wherein a bolt is penetrably locked in the projecting piece. In virtue of abovesaid construction of this invention, change of the angle between the upper clamp and the lower base by turning those two oblique contact faces is possible.

Abstract: A friction adjustable positioning pivot includes a first shaft including a tapering threaded rod which defines a hollow space therein and a slot along a periphery thereof. An urging tube includes an inner threaded periphery for rotatably threading onto the tapering threaded rod of the first shaft and an inner smooth tapering periphery adjacent to the inner threaded periphery for limiting the tapering threaded rod to thread into the urging tube at a constant direction. A second shaft includes a rod portion which is received in the hollow space of the tapering threaded rod of the first shaft and is in contact with an inner periphery of the tapering threaded rod.

Abstract: A friction adjustable positioning pivot includes a first shaft including a tapering threaded rod which defines a hollow space therein and a slot along a periphery thereof. An urging tube is taperingly threaded therein for rotatably threading onto the tapering threaded rod of the first shaft. A spring received in the hollow space of the first shaft includes an outer periphery substantially in contact with an inner periphery of the hollow space of first shaft and an inner periphery. A second shaft includes a rod portion received in the spring and in contact with the inner periphery of the spring.

Abstract: Apparatus and method for the adjustment and alignment of shafts in high power devices. A plurality of adjacent rotatable angled cylinders are positioned between a base and the shaft to be aligned which when rotated introduce an axial offset. The apparatus is electrically conductive and constructed of a structurally rigid material. The angled cylinders allow the shaft such as the center conductor in a pulse line machine to be offset in any desired alignment position within the range of the apparatus.

Abstract: A base support for fastening a pole (45) standing off from a foundation (31) is provided with a base member or an anchor body (11) respectively to be anchored in the foundation, presenting an all-around running side wall (14) and at its top a thru hole (26) surrounded by a circular bearing face (18) proceeding transversally to the base wall. Furthermore, a pole supporting member (16) is provided presenting on its top a connection area for the pole (45), below an all around running side wall (20) and at its bottom a mounting wall (23) presenting a circular supporting surface (19) being complementary to the bearing surface (18). For a simultaneous performance of the fastening bolt functioning, an anchor bolt (12) is passed through a central boring (15) of the mounting wall (23) across a tapered ring (22) and is screwed down in the foundation.

Abstract: An archery arrow includes an arrowhead removably attachable to a shaft with an alignment member disposed therebetween. The alignment member comprises a washer-like element having opposite faces disposed in divergent planes. By rotating the alignment member prior to tightening the arrowhead to the shaft, the axial disposition of the arrowhead relative the shaft may be altered to obtain a balanced arrow free of any wobble when spin tested about the point of the arrowhead.

Abstract: A base support for fastening a pole (45) standing off from a foundation, provided with a base member (11) to be anchored in the foundation and a pole supporting member (16) which has connecting surfaces (18, 19) proceeding transversally to the base wall (13) of the base member (11). The base member (11) is fastened in a support (17) through an access opening (15) being dimensioned big enough, directly or by means of an anchor body (32). Subsequently, a stud bolt (27) is secured to the base member (11) in the region of the access opening (15). Thereupon, the pole supporting member (16) is placed upon the stud bolt (27) and secured to the base member (11) in the proper angular position by screwing a nut (42) on the stud bolt (27).

Abstract: Adjustable steering column for a motor vehicle of the type comprising two shaft sections connected by an articulated coupling and wherein the improvement consists in providing two casings for respective sections, assembled by flanges, at least one of which is inclined with respect to the normal to the longitudinal axis of the casing.

Abstract: This invention relates to a system for anchoring structural members, such as structures made of round and profiled tubes of steel, non-ferrous metal, light-alloy and plastics. The object of the system is for tubular members of any size and load-bearing capacity to be erected vertically on any ground, irrespective of the slope or gradient and unevenness.