Patents Assigned to Welt/Safe-Lock, Inc.
  • Patent number: 4348034
    Abstract: A two-wheeled collapsible cart comprises a transverse bar having one wheel mounted on a caster fork beneath each opposite end thereof, a pair of symmetrically spaced bars pivotally mounted on the transverse bar providing therewith a collapsible platform and a pair of upstanding barrier bars. The bottom end of a lowermost section of an extendable leg of a camera tripod or unipod from which the non-slip cap has been removed is fitted with an element of a separable connector which engages a companion element mounted on a midportion of the transverse bar. Each spaced pivoted bar terminates in a downturned foot which cooperates with the wheels as a four point ground engaging support for the platform and the mounted upstanding tripod or unipod when the bars are in extended position.
    Type: Grant
    Filed: September 23, 1980
    Date of Patent: September 7, 1982
    Assignee: Welt/Safe-Lock, Inc.
    Inventor: David I. Welt