Ground-engaging Patents (Class 188/5)
Sprag (Class 188/6)
Anchors (Class 188/7)
Sled (Class 188/8)
  • Emergency vehicle brake
    Patent number: 3994369
    Abstract: A braking pad for a vehicle which is generally planar and which is urged downwardly against the pavement independently of the wheels. The linkage joining the pad and the vehicle insure the proper alignment of the pavement and the pad by the use of arms carried at one end for pivotal motion and at the other end for horizontal motion within a slot.
    Type: Grant
    Filed: May 8, 1975
    Date of Patent: November 30, 1976
    Assignee: Lawrence Peska Associates, Inc.
    Inventor: Tadeusz Powaska
  • Trolley cart braking system
    Patent number: 3987871
    Abstract: A brake device for a cart separate from the cart wheels and operated by downward movement of a foot pedal to cause engagement of feet with the floor and thereafter movement of at least some of the cart wheels a small distance off of the floor, the feet being disengaged from the floor to place the full weight of the cart back on the floor by downward movement of a second foot pedal.
    Type: Grant
    Filed: April 15, 1975
    Date of Patent: October 26, 1976
    Assignee: Nordskog Company Inc.
    Inventor: Robert A. Nordskog