Abstract: A dual-line time recorder includes a barrel cam, printer, motor, and slide plate. The motor rotates the barrel cam. The rotational motion of the barrel cam translates into lateral movement of the printer in forward and reverse directions. A slide plate is adapted for moving the printer in a transverse direction relative to the barrel cam between a first line of print and a second line of print. After printing in a forward direction along a first line of print, the slide plate shifts the printer for printing along a second line of print in the reverse direction. After printing in a reverse direction, the slide plate shifts the printer back to its original position. The printer is fully programmable for printing a variety of data on the print medium.

Abstract: An elapsed time recorder comprising an entrance recorder installed at the entrance for printing the entry time on a time card and simultaneously coding this entry time and printing the coded entry time on the time card, and an exit recorder installed at the exit for printing the exit time on the time card carried to the exit and simultaneously reading the coded entry time recorded on the time card, computing the elapsed time or the difference between the entry time and the exit time and printing the time difference on the time card.

Abstract: A card guideway frame is movable in the width direction of a card to select the column in which a hole is to be punched and the card insertion depth is variable to determine the spacing between the bottom edge of the card and the hole. The insertion depth is set by a stop passing through the wide aperture of the guideway frame and a carriage resting on a projection of the stop and movable along the length of the guideway frame with the stop carries a pair of guide plates having a narrow slit between them for the card and practically filling the aperture in the frame, so as to constrain the card into a flat shape, correcting any arching and resisting any bending from insertion forces, even though the frame restrains only the extreme edges of the card at the sides of the working area.

Abstract: A time recorder with a time controlled printer for recording time data in the lines of a stamping card, with a card slide forming a stop abutment for the stamping card which can be slid into the apparatus in the direction perpendicular to its lines, an electrical circuit including a switch which can be operated by sliding the stamping card to trigger the printing mechanism when the stamping card is in the printing position also with a plurality of stop abutments as a first element for defining the possible positions of the card slide when printing the stamping card and a bolt, adapted to cooperate with the plurality of stops and acting as a second element, both elements being movable relative to each other into an engagement and non-engagement position and one of the elements being associated with the card slide and being slidable therewith in relation to the other element, the two elemets being driven into the engagement position by the stamping card and are slidable in the said engagement position together