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A couple of years ago a major customer challenged TriMark to develop a new
Rotary Door Latch for use on their entrance doors as well as door
hold-backs. As a result, TriMark
engaged in a new product development focused on designing
a new product, which is referred to as the “Next Generation Rotary
Latch”.
Modular
Concept
TriMark proposed a
modular concept based on the best features from our portfolio of rotary
latching products that will allow for application flexibility utilizing TriMark’s expansive trip
lever options, exterior handles, linkage rods and inside releases. Modular
case construction is preconfigured with multiple actuation points on the
front case allowing top/bottom actuation including stacked actuators as
well as combinations of actuation points providing the most configurable
rotary door latch ever designed
Modular
products enable faster, easier and more efficient customization of standard
products to unique user needs– with reduced lead-time and engineering support.
The ‘base’ latch is designed using all non-handed components allowing
left/right hand assemblies by orienting the internal latch components in
the proper orientation.  Additionally, this product is available
in single or 2 position rotors configuration for FMVSS 206 compliance plus
the single rotor provides for vertical clearance of strike allowing for
door sag, misalignment and ease of installation. Additionally the
single position rotor is ideal for compartment doors and door hold-open
applications.
TriMark’s newest
innovation in rotary latches features a robust modular design that offers
extensive actuation locations and options providing application flexibility
in a compact design. Designed for medium to heavy-duty applications for on
or off-highway applications, this single rotor latch is available in both
FMVSS 206 and non FMVSS 206 configurations.
Application
Versatility
Today’s
applications demand application versatility with considerations for remote
release utilizing rods or cable connections, direct release from external
handle, on-latch inside release levers with robust pivots, multiple release
levers, left and right hand versions and a small footprint to allow for
maximum visibility, and this product platform delivers on all points in a
single Latch family. The platform was designed to reuse TriMark’s extensive
selections of existing actuators reducing application engineering and
unnecessary tooling requirements.
Ergonomics
Increasingly
importance is also being given to ergonomics as well as functional
positioning of the latch, inside release and exterior handle as well as
door structures and increasingly larger glass challenge the door designers
for space claims, connectivity and ease of installation and adjustment.
This new latch platform compact size and shape allows maximum use of door
space and minimizes visibility issues without compromising strength and
robustness.
Innovations
- Innovative
barrel release with optional integrated cable bracket for ease of
use/installation excels on agricultural applications with massive
glass doors coupled with weather tight door seals which demand low
operating efforts
- Safety
- 8mm diameter automotive style hoop-type striker minimizes clothing
snag hazard
- Several
actuator return spring options plus coaxial actuator mechanism for
applications where it is desirable to provide additional support to
the actuation levers
- Future
provisions are also planned for state sensing, power release
mechanisms and an innovative slam cam door lift mechanism for heavy
door that are prone to sagging.
Off-the-Shelf
Solutions
TriMark's global
customers are demanding off-the-shelf rotary latch solutions because of the
many new products they introduce every year. They want to minimize the
amount of time it takes to go from concept to finished product. With TriMark's strong
reputation for durability and reliability, these off-the-shelf product
solutions can also be customized to meet a customer's specific platform
needs. With a broad selection of rotary latch sizes, versions, features and
options to meet virtually any application, TriMark is able to simplify the process
while meeting each customer's unique needs. Products range from basic
stand-alone designs to integrated linkages for both FMVSS 206 and non-206
applications. All TriMark
rotary latches feature the highest levels of quality, security
and strength and are covered by TriMark's
comprehensive worldwide warranty.
Door
Systems – Providing the Big Picture Solutions for TriMark Customers
Designing
and implementing a true full door system solution takes a wide range of
products to ensure that all the components work together to form a rugged
and reliable system to suit the intended application. TriMark's range of
latches, handles, hinges, linkages, locks, accessories and related system
components assure compatibility – our products not only set the standards
for excellence, design and value, they are proven in the field time and
time again.
 Considerations must also be made regarding system details such
as opening/closing efforts, structural support, appearance, door
construction, safety, security, ease of assembly, quality, durability,
sound of operation and value. Our Application Engineering Experts are
available to assist you in properly selecting the components and products
to complete your individual system solution.
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