Abstract: A mine vehicle such as a tractor or a scoop is provided with an operator's cab having a protective canopy and a side entrance way. A swivel seat is positioned in the cab with its back toward the side entrance way and arranged to prevent the operator from sticking his head out of the entrance way when the mine vehicle is in operation.

Abstract: Article gripping devices are provided wherein a pair of gripper jaws are pivotally carried on a frame means and a pair of opposed oppositely inclined camming surfaces positioned on a vertical axis on the frame engage a pair of vertically spaced cam follower surfaces formed on the gripper jaws whereby on relative vertical movement of the gripper jaws on the frame by a jaw carrier means, the gripper jaws are moved from bottle engaging to bottle releasing positions and with the position of the gripper jaws being positively controlled at all times.

Abstract: A resiliently flexible sealing element, conformable to the face of a wearer, in the form of a re-entrant flap is hingedly joined to and supported by a mask body in a spaced relationship thereto. The sealing element extends parametrically around the open side of the mask body and in selected locations thereabout is resiliently urged away from the mask body by web means disposed between the sealing element and the mask body. The web means provides pressure on the sealing surface of the sealing element directly at the deepest point on the user's face so as to eliminate the tendency of the sealing element or flap to pull away from the user's face at such selected locations.

Abstract: The rear end of the truck frame carries a load boosting wheel assembly. The wheels are mounted on a transverse axle which is supported by a forwardly extending wishbone, the front of which has a ball and socket connection to a depending support bracket. The rear portion of the wishbone is guided for vertical movement between the load carrying position and an elevated position. The wheels are actuated to the downward position by air pressure inside the air bag assembly mounted between the wishbone and the frame. The midsection of the air bag assembly is provided with a rigid annulus which is contained to linear motion.

Abstract: Spotting instrumentalities for turning containers traveling along a predetermined path on a conveyor comprising, at opposite sides of the conveyor, a pair of drive rolls and a pair of idler rolls, said pairs of rolls being movable linearly along said path and, while being so moved, rotatable about axes parallel to the vertical axis of the container, said drive rolls being driven in rotation to rotate the container and said idler rolls being freely rotatable and a positioning dog operable by engagement with the positioning element on the side of the container to stop rotation of the container at a predetermined position of orientation. The drive rolls are provided with traction elements adapted to slip when rotation of the container is stopped by the positioning element and the idler rolls are provided with guide elements adapted to be displaced laterally by out-of-round containers and/or irregularities in the surfaces of the containers.

Abstract: Apparatus for opening the front flap of a container moving on a conveyor line toward a filling station. The invention includes a circular brush maintained above the conveyor line and rotatable by means of an air motor. The air motor is mounted upon a support member having rollers at the bottom thereof and movable between adjustable stops defining a track, the track running parallel to the conveyor. An air cylinder, pivotally mounted to a bracket at one end thereof, has an extendable rod connected to the top of the support member at another end thereof. Actuation of the air cylinder and air motor causes the rod to pass the rotating brush along the conveyor with the brush making lifting engagement with the front flap of the container. At the end of the track, the support member stops and the rod causes the brush to pass through an arc, assisting in the opening of the flap. A limit switch senses the arcuate motion of the brush and causes the rod to retract to an original position.

Abstract: A safety device for a case packer filling head wherein an individual pivotally positioned stop member is provided for each of the rows of articles being fed to the filling head and wherein an article moved completely into the filling head strikes a stop member to move it to an operative position but with the stop member having a normally inoperative safety position, a control bar extends transversely of the filling head and through a non-circular aperture provided in each stop member, and a stop device on the control bar for each of the stop members and sized complementary to part of the aperture provided in said stop member to be movable into such aperture when the stop member is moved to an operative position but only when all stop members are so operatively positioned, the control bar being movable transversely of the filling head for a control action on the filling head and articles positioned therein when all stop members are moved to operative positions.

Abstract: A shoulder pad for football players comprising a chestplate portion, a backplate portion and a pair of arches integrally connecting the plate portions, the arches being laterally spaced to provide an opening for the neck of the wearer with the spacing such that the arches lie adjacent and relatively close to the neck. The arches are relatively narrow in relation to the width of the shoulders. Each of the members has padding on the inside thereof with the padding at the top of the arch extending laterally over the shoulder and having an inner portion generally beneath the arch and an outer portion covering the outer part of the shoulder. The inner and outer portions are hingedly connected with the outer portion having a back section adjacent the backplate and a front section adjacent the chestplate.

Abstract: A line monitoring system is disclosed which provides particular advantages to security systems having remote terminals. This system provides both a reduction in the required power for the line monitoring task and also increases the level of line security by generating a calculated response at the remote terminal, which calculated response could not be accidentally produced by a faulty remote unit. Futhermore, the calculated response at the remote unit greatly reduces the likelihood of clandestine entry at the remote site.

Abstract: Apparatus for article deposit and/or removal from carrier cases and comprising a pair of endless carrier conveyors operatively positioned on an upper portion of a frame in adjacent parallel relationship for movement through a fixed course extending longitudinally of the frame; a plurality of positioning members or carrier bars for article grippers are operatively connected to the carrier conveyors for movement therewith, which positioning members extend transversely of the frame and have the article grippers depending therefrom; and a pantograph that extends longitudinally of the frame is present for each set of carrier bars corresponding to the array of articles in the cases to be processed, the pantograph has a leading and a trailing end with different ends being secured to different ones of the conveyors for movement therewith.

Abstract: Improved power and free trolley apparatus includes independent pusher and hold back dogs positively moved to an accumulate position by a counterweighted actuating lever moving to an accumulate position. The dogs, however, are self-biased, the pusher dog self-locking in its drive position, and the dogs are not interlocked with the lever. They move independently of the lever into operative position when the lever is moved into a non-actuating position and out of blocking relationship with the dogs. The actuating lever counterweight defines a trolley brake for preventing excessive trolley bounce back during accumulation. Another aspect of the invention includes a movable cam selectively raising a drive dog in a trailing trolley for switching, and permitting accumulation of trolleys through a switch zone when held in an inoperative position as when the switch zone is choked.

Abstract: An improved circular sorter includes an integral, rotatable, circular ring on which tiltable tray carriages are mounted. The ring is driven by a peripheral drive to convey the tiltable trays past loading stations, where articles are placed thereon, and then to sort locations where articles are selectively discharged by tray tilting, to either the inside or outside of the ring. Both loading and sort locations can be disposed interiorly or exteriorly of the ring. Yieldable rollers support the ring and operatively accommodate variations in vertical disposition, while a combination of fixed and yieldable rollers guide the ring in a horizontal path and accommodate ring pitch inaccuracies.

Abstract: A security system in which personnel are permitted access at certain locations on the basis of data magnetically encoded on a card inserted into the system by the personnel. Access is also limited on the basis of keyboard data entered at the remote location by personnel wishing access. The keyboard data required for entry is a permutation and combination of the data on the employee's card, the particular combination and permutation required at each remote location being independently programmable by switches accessible on the inside of the remote security system.

Abstract: An induction system for a sortation conveyor includes a single infeed conveyor adapted to supply two separate loading stations. In a preferred embodiment, the infeed conveyor is operatively connected with a reversible turn conveyor interposed between the infeed conveyor and the two separate loading stations, one loading station receiving articles from one end of the reversible turn conveyor and the other loading station receiving articles from the other end of the reversible turn conveyor. The reversible turn conveyor may be automatically or manually controlled to operate in either a clockwise or a counterclockwise direction as required to supply articles from the infeed conveyor to both loading stations.

Abstract: A shoulder pad for football players comprising a chestplate portion, a backplate portion and a pair of arches integrally connecting the plate portions, the arches being laterally spaced to provide an opening for the neck of the wearer with the spacing such that the arches lie adjacent and relatively close to the neck. The arches and padding thereunder are relatively narrow in relation to the width of the shoulders so as to provide freedom for upward movement of the outer part of the shoulders without substantial interference from the arches. A pair of caps of relatively rigid material adapted to fit over the outer portion of the shoulders are flexibly connected to respective arches and have shoulder padding on the inside thereof separate from the arch padding for enabling the caps and the shoulder padding to move freely upwardly upon upward movement of the outer part of the shoulders.

Abstract: A labeling machine wherein there is a picker mechanism for tangentially attaching labels to the necks of bottles traveling along a predetermined path in predetermined spaced relation such that the planes of the tangentially attached labels are substantially parallel to the direction of travel, and longitudinally spaced means arranged along said path comprising jets which displace the ends of the labels transversely of the path and wipers which apply wiping forces to the ends to wrap the transversely displaced ends about the necks.

Abstract: A hub cap for a vehicle wheel, such as a boat trailer, which hub cap retains grease and blocks water flow into the wheel bearing while providing for automatic expulsion of excess grease when pressure increases within the hub, such as is caused by heating during running. A hub cap with a housing for mounting on a vehicle hub and including a fixed central member within the housing having a boss projecting into the outer zone and carrying a grease fitting for injecting grease into the inner zone. A seal is slidably mounted within the housing and engages the boss in sealing engagement, closing openings in the central member blocking grease flow from the inner zone to the outer zone. A spring urges the seal into sealing engagement, while an increase of pressure within the inner zone moves the seal out of sealing engagement against the spring force.

Abstract: A roller-gear drive means for the rotary filler head portion of a container filling machine having a stationary base portion which is equipped with a pair of rotary starwheel units for directing containers into and out of the filler head, comprising a drive motor mounted in the base portion in direct driving relationship with a first of the starwheel units through a pair of gear means secured one to the driveshaft of the motor and one to the mounting shaft of the aforesaid first of the starwheel units.